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Top 14 Technical Courses to Get a Job in IT Field in India [2024]
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In this Article, you will learn about top 14 technical courses to get a job in IT. Software Development Data Science Machine Learning Blockchain Management MBA Cloud Computing Cybersecurity DevOps Web Development Big Data Digital Marketing Business intelligence  Database systems Read more to know each in detail. Top Technical Courses Online To Get a Job in IT Looking for technical courses to get a job in IT? In the last decade, the IT industry has undergone a massive transformation and expansion. Fuelled by fast-evolving new-age technologies, the IT sector is now one of the world’s most promising job destinations! High annual salary packages, in-demand job roles, and plenty of chances to make a standing impact are among the top reasons why a large percentage of the youth are leaning towards IT jobs. For those tech-savvy people, we have listed down the top technical courses to get a job in IT.   The employment sector in IT and Computer Science is projected to grow by 13 percent from 2020 to 2030. Careers in the IT industry are high-paying and fast-growing. The reason for demand in IT companies is due to the evolving nature of technology. Technology is not limited to a few things rather its applications are in each and every field, which requires sound technical expertise and training.  There are many jobs available in the IT field such as Big Data Engineer, Cloud Architect, FSD Developer, Product Manager, etc. The domain is not centric on one country or sector so anybody can make a good career across borders and will find the education qualifications relevant and of importance. You can also check out our free courses offered by upGrad in Management, Data Science, Machine Learning, Digital Marketing, and Technology.  The best thing about choosing an IT career is that IT skills are invaluable to every industry, including IT/ITeS, BFSI, retail, manufacturing, healthcare, education, aerospace, and energy, to name a few.  Keeping pace with the rapidly emerging technologies, numerous job roles in the industry are changing as well. Job profiles like Web Developers, Network Architects, Information Security Analysts, Systems Analysts, Cloud Architects, Computer scientists, Data scientists, etc., are growing at a breakneck speed. Naturally, the different IT domains like Data Science, Artificial Intelligence, Cloud Computing, Cybersecurity, and Project Management will create an increasing demand for skilled and qualified IT professionals. We listed down the top technical courses to get a job in IT.  Check out our Java Bootcamp designed to upskill working professionals. However, since IT roles are transforming, today, aspirants need much more than theoretical knowledge – they need solid technical skills. No wonder the demand for technical courses to get a job in IT is at an all-time high now! In this post, we’re going to discuss the trending technical courses to get IT jobs. Technical courses are designed to provide highly specialized knowledge to aspirants. Usually, technical courses promote a combination of academic training and practical exercises to achieve the all-around development of candidates and develop niche skills.  If you are wondering what technical courses are best for trending IT job roles, make sure to read till the end! 14 Technical Courses for IT jobs 1. Software Development Software Development involves the creation, testing, and maintenance of software applications, frameworks, and tools. It is a core element of IT infrastructure and is also the key to success for businesses of all shapes and sizes. Software development focuses on designing innovative software solutions tailored to meet specific client and business requirements. A software tool/framework can improve employee productivity, streamline business operations, boost ROI, fast track sales, and impart a competitive edge to an organization. Software development courses are one of the preferred option to join to get a job in IT.   Software development is projected to grow to 1039.89 billion dollars by 2027. Source The skills of JavaScript, HTML, Python SQL, etc are in demand. Education in the technical courses for these skills will do a valuable addition to one’s profile which would set them apart from the other job seekers. Also, if someone is already in the industry and wants to accelerate their career in a similar field can also benefit by doing the courses as it would help them to accelerate their career better. Since all businesses, including startups, mid-sized companies, and large corporations, use software tools and solutions, Software Developers/Engineers are prized possessions for any firm. Each year, top companies like TCS, IBM, Deloitte, Accenture, Verizon, Infosys, Amazon, Google, Facebook, etc., hire Software Developers by the bulk. The most in-demand software development skills include full-stack development, backend development, and front-end development.  Today, learning software development has become much easier, thanks to professional software development certifications. Software development certification programs are highly focused on imparting practical skills to candidates, such as UI, UX, web design, backend architecture, etc. How much does a software developer earn in India? Factors affecting software developer salary in India i. Salary by location City Salary Bangalore ₹ 9.7 Lakhs New Delhi ₹ 8.4 Lakhs Mumbai ₹ 8 Lakhs Hyderabad ₹ 8.9 Lakhs Pune ₹ 8.4 Lakhs Chennai ₹ 8.2 Lakhs Gurugram ₹ 9.2 Lakhs Kolkata ₹ 7.9 Lakhs ii. Salary by experience Experience Salary 1 Year ₹ 5.2 Lakhs 2 Year ₹ 6.1 Lakhs 3 Year ₹ 7.1 Lakhs 4 Year ₹ 8.7 Lakhs 5 Year ₹ 10.5 Lakhs iii. Salary by industry Industry Salary IT Services ₹ 8.3 Lakhs Software Product ₹ 10.2 Lakhs Financial Services ₹ 9.2 Lakhs KPO ₹ 11.5 Lakhs Hardware ₹ 8.7 Lakhs Engineering ₹ 8.6 Lakhs Manufacturing ₹ 10.2 Lakhs Source upGrad has a whole suite of technical courses of software development – PG Diploma in Software Development (specialization in Full-Stack Development), PG Diploma in Software Development (specialization in Cybersecurity). Check out Cybersecurity course to upskill yourself and gain an edge. 2. Data Science Data Science is a common terminology in the present industry now, and rightly so. Data Science technologies like Artificial Intelligence, Machine Learning, Deep Learning, and Natural Language Processing have found applications across multiple sectors. This is why Data Science professionals who can work with these technologies are in high demand. Unfortunately, the need for Data Science experts far exceeds their supply. As a result, a large portion of Data Scientists’ job vacancies remains unfilled. Data science courses are one of the preferred courses to get a job in IT.  Source According to the Bureau of Labour Statistics (BLS), the data science industry is expected to grow 14 percent by the year 2028. Also, the research shared in the LinkedIn Emerging Jobs Report has ranked data science among the fastest-growing career. Its job market is expected to grow to 230.80 billion dollars by 2026. (Source) The skills required to be a data scientist are Python, Data Visualisation, Microsoft Excel, Communication, Team work capabilities, etc. In today’s there are modes to learn technical courses for freshers and the experienced. So there is no limit to choices, one can upskill and excel in their careers. The demand-supply gap presents an ideal situation for Data Science aspirants. Several institutions in India offer Data Science certification courses and professional training programs. upGrad is one such institute that offers an array of excellent Technical courses in Data Science, namely Business Analytics Certification Program, PG Certification In Data Science, PG Diploma in Data Science, and Master of Science in Data Science. Professionals can take up these technical courses to uplift their career. The course curriculum includes Big Data, Business Intelligence, Machine Learning, Python Programming, Data Visualisation, Predictive Analytics, Machine Learning, Data Visualization, and Natural Language Processing. upGrad encourages theoretical and practical learning, and hence, candidates work on live projects, case studies, mock interviews, and resume building sessions. They also get one-on-one feedback from instructors and industry-mentors.  Explore Our Software Development Free Courses Fundamentals of Cloud Computing JavaScript Basics from the scratch Data Structures and Algorithms Blockchain Technology React for Beginners Core Java Basics Java Node.js for Beginners Advanced JavaScript How much does a data scientist earn in India? Factors affecting data scientist salary in India i. Salary by location City Salary Bangalore ₹15.5 Lakhs New Delhi ₹13.6 Lakhs Mumbai ₹13.2 Lakhs Hyderabad ₹14.8 Lakhs Pune ₹12.8 Lakhs Chennai ₹13.3 Lakhs Noida ₹13.7 Lakhs Gurgaon ₹14.1 Lakhs ii. Salary by experience Experience Salary 1 Year ₹9.5 Lakhs 2 Year ₹10.5 Lakhs 3 Year ₹11.6 Lakhs 5 Year ₹16.4 Lakhs 8 Year ₹19.9 Lakhs iii. Salary by industry Industry Salary IT Services ₹13.2 Lakhs Internet ₹18.3 Lakhs Software Product ₹16.6 Lakhs Financial Services ₹15.1 Lakhs KPO ₹15.3 Lakhs Source 3. Machine Learning Like Data Science, Machine Learning has a huge fan following among the IT and Data Science communities. The USP of Machine Learning is that it can help create intelligent machines that can learn through experience. Usually, ML systems are fed with colossal amounts of data and trained to perform specific tasks for unique scenarios. ML courses are one of the preferred technical courses to get a job in IT.  The global machine learning market is expected to grow to US 121 billion dollars by 2030 (Source). There are certain skillsets which are a prerequisite for this domain such as coding, mathematics, data visualisation, programming, communication, team work, etc. There are also certain important job roles available in this domain such as, machine learning engineer,  data scientist, software developer, AI developer, AI architect, data analyst, etc. These are high paying job roles so the technical courses for it job can open many opportunities for a good career. Companies around the world are using Machine Learning to develop innovative solutions to cater to dynamic customer needs. Some of the most promising Machine Learning roles are ML Scientist, ML Engineer, ML Analyst, Business Intelligence Developer, and NLP Scientist. The cherry on top – these IT job roles come with hefty salary packages! Aspirants who want to enter the Machine Learning domain should opt for ML certification programs. upGrad has six outstanding technical courses in ML, including  PG Certification in Machine Learning & NLP, PG Certification in Machine Learning & Deep Learning, PG Diploma in Machine Learning and AI, Master of Science in Machine Learning and AI. These technical courses focus on supervised learning and unsupervised learning and other relevant topics like Computer Vision, Sentiment Analysis, Neural Networks, Natural Language Processing, Regression Analysis, Object Detection, Gesture Recognition, Information Extraction, and Statistical Pattern Recognition.  You can also check IIT Delhi’sMachine Learning Programin association with upGrad. IIT Delhi is one of the most prestigious institutions in India. With more the 500+ In-house faculty members which are the best in the subject matters. Explore our Popular Software Engineering Courses Master of Science in Computer Science from LJMU & IIITB Caltech CTME Cybersecurity Certificate Program Full Stack Development Bootcamp PG Program in Blockchain Executive PG Program in Full Stack Development View All our Courses Below Software Engineering Courses How much does a machine learning engineer earn in India? Factors affecting machine learning engineer salary in India i. Salary by location City Salary Bangalore ₹10.5 Lakhs New Delhi ₹9.2 Lakhs Mumbai ₹8.6 Lakh Hyderabad ₹10.1 Lakh Pune ₹8.4 Lakh Chennai ₹8.8 Lakh Noida ₹9.0 Lakhs Gurgaon ₹10.6 Lakh ii. Salary by experience Experience Salary 1 Year ₹7.0 Lakh 2 Year ₹7.8 Lakh 3 Year ₹9.4 Lakhs 4 Year ₹12.2 Lakhs 5 Year ₹15.1 Lakhs iii. Salary by industry Industry Salary IT Services & Consulting ₹9.5 Lakhs Internet ₹13.8 Lakhs Software Product ₹12.2 Lakhs Financial Services ₹9.1 Lakhs Analytics & KPO ₹14.6 Lakhs Source 4. Blockchain We know Blockchain as the technology that revolutionized the banking and financial services sector. Bitcoin, the cryptocurrency, was the primary reason why Blockchain rose to fame. Essentially, a Blockchain refers to a digital ledger (a record) of transactions that is duplicated and distributed across multiple computer systems within a network. The blockchain market is expected to grow at CAGR of 33.4%. It’s valuation in the market is also expected to reach to  US 55.2 Bn by 2032. (Source). There are certain blockchain skills which are a prerequisite for this industry such as cybersecurity and cryptography, computer programming, data structure, etc. In each block of a Blockchain, there are several transaction records. Every time a new transaction is added to the Blockchain, the new record of that transaction is added to each participant’s ledger. Distributed Ledger Technology (DLT) is the secret behind the management of Blockchain. Blockchain courses are one of the preferred courses to get a job in IT.  There are many job roles available in the blockchain market such as, software engineering, marketing, operations, finance, operations, etc. Source Since Blockchain records information in a way that makes it nearly impossible to hack or violate the system, it is being adopted by numerous industrial sectors like cybersecurity, healthcare, supply chain management, logistics, and transportation, to name a few. Soon, Blockchain technology will find applications in other industries as well. This, in turn, will increase the demand for certified Blockchain experts like Blockchain Developer, Blockchain Engineer, Blockchain Solution Architect, Blockchain Project Manager, Blockchain UX Designer, and Blockchain Consultant.  Anyone who desires to bag such promising job roles in Blockchain should check out upGrad’s technical courses on Blockchain like PG Certification in Blockchain, PG Diploma in Software Development and Blockchain Specialization, and Executive Program in Blockchain Technology Management. These are thoroughly technical courses encompassing relevant subjects like Smart Contracts, Consensus Algorithms, Cryptography, Proof of Concepts, P2P Networks, Distributed Apps, and Blockchain platforms, namely Ethereuem, Hyperledger, Fabric, and Composer.  In-Demand Software Development Skills JavaScript Courses Core Java Courses Data Structures Courses Node.js Courses SQL Courses Full stack development Courses NFT Courses DevOps Courses Big Data Courses React.js Courses Cyber Security Courses Cloud Computing Courses Database Design Courses Python Courses Cryptocurrency Courses How much does a blockchain developer earn in India? Factors affecting blockchain developer salary in India i. Salary by location City Salary Bangalore ₹ 9.1 Lakhs New Delhi ₹ 7.1 Lakhs Mumbai ₹ 7.1 Lakhs Hyderabad ₹ 7.1 Lakhs Pune ₹ 6.3 Lakhs Chennai ₹ 6.6 Lakhs Noida ₹ 11.8 Lakhs Ahmedabad ₹ 5.6 Lakhs ii. Salary by experience Experience Salary Fresher ₹ 7.1 Lakhs 1 Year ₹ 7.6 Lakhs 2 Year ₹ 7.4 Lakhs 3 Year ₹ 9.9 Lakhs 5 Year ₹ 12.9 Lakhs iii. Salary by industry Industry Salary IT Services ₹ 8.6 Lakhs Internet ₹ 16.2 Lakhs Software Product ₹ 13.8 Lakhs Financial Services ₹ 7.9 Lakhs KPO ₹ 9.6 Lakhs Source 5. Management Although not a technical course per se, project management is a pivotal component of a company’s IT infrastructure. IT is not confined to developing, testing, and deploying software products and services, but it is also about offering timely deliveries, managing the products/services, and offering customer support. This is where project management enters the scene. A Project Manager’s role in an IT firm is to plan the project outlines, determine the budget, oversee te production operations, and ensure that clients get all the deliverables in time. In other words, Project Managers take on supervisory and managerial roles in an organization.  Aspirants who wish to bag managerial posts and other senior-level roles in IT companies must have management certifications and industry experience. upGrad’s PG Program in Management and Product Management Certification Program are two excellent short-term courses covering industry-relevant topics like Product Development & Planning, User Design, Business Analytics, Business Growth Strategies, and Engagement & Growth. Since these are management courses, they encourage the overall grooming of candidates. So, students are also trained to develop soft skills like strategic thinking, problem-solving, time-management, and interpersonal and communication skills.  Also Read: Short Term Job Oriented Courses 6. MBA Another non-technical but essential IT skill is business administration, and what better than an MBA degree to gain this skill?  A Master of Business Administration program is designed to impart academic, practical, and comprehensive knowledge of an organization’s business administration and business management. MBA courses come in many different specializations, including marketing, finance, accounting, human resources, business communication, business law, business ethics, managerial economics, operations management, etc. The USP of MBA courses is that students are trained to apply classroom knowledge into real-world projects and case studies. This helps them to develop business and management skills that can be applied to a host of industries. One can pursue MBA programs either full-time or via correspondence.  Globally, there’s a massive demand for MBA graduates because they possess in-depth knowledge of business administration matters and possess high-level management skills. An MBA degree can get you well-paying job roles such as Marketing Manager, Human Resources Manager, Finance Manager, Operations Manager, Project Manager, International Business Manager, Digital Marketing Manager, Data Analytics Manager, and IT & Systems Manager.  upGrad has nine online MBA courses – MBA (Global) Deakin Business School, MBA Liverpool Business School, MBA From Golden Gate University, MBA in Digital Finance & Banking (O.P.Jindal Global University), MBA (Global) Deakin Business School, MBA from Liverpool Business School (Specialization in Marketing), MBA from Liverpool Business School (Specialization in Finance), MBA from Liverpool Business School (Specialization in Operations), and MBA from Liverpool Business School (Specialization in Strategy & Leadership).  Also, visit upGrad’s Degree Counselling page for all undergraduate and postgraduate programs. Read our Popular Articles related to Software Development Why Learn to Code? How Learn to Code? How to Install Specific Version of NPM Package? Types of Inheritance in C++ What Should You Know? 7. Cloud Computing  The global cloud computing market forecast indicates that the industry is predicted to rocket from USD 250.04 billion in 2021 to USD 791.48 billion in 2028, with a CAGR of 17.9%. Industries are pivoting to cloud solutions for scalability, flexibility, and cost-effectiveness.  The best course for IT jobs covers cloud infrastructure, services, and business applications. We learn how to interact with popular platforms like AWS, Azure, and Google Cloud and concepts like virtualization, microservices, and cloud-native programming.   Some of the vital roles and responsibilities we have to perform in cloud computing after finishing the best course for IT jobs:  Develop, build, and maintain cloud infrastructure solutions.   Optimize cloud architecture for performance, dependability, and cost-effectiveness.   Work with cross-functional teams to integrate cloud services.   Monitor cloud performance, fix problems, and adopt security measures.  Some of the top career options and their expected salaries are:   Top Career Options  Average Salary (2024)  Cloud Software Engineer  $110,000  Cloud Architect  $132,816  Cloud Software Developer  $78,045  How much does a cloud computing engineer earn in India? Factors affecting cloud computing engineer salary in India i. Salary by location City Salary Bangalore ₹ 7.5 Lakhs New Delhi ₹ 7.6 Lakhs Mumbai ₹ 6.3 Lakhs Hyderabad ₹ 7.4 Lakhs Pune ₹ 7.3 Lakhs Chennai ₹ 6.9 Lakhs Noida ₹ 7.6 Lakhs Kolkata ₹ 7.6 Lakhs ii. Salary by experience Experience Salary 1 Year ₹ 5.2 Lakhs 2 Year ₹ 6 Lakhs 3 Year ₹ 6.2 Lakhs 5 Year ₹ 9.1 Lakhs 7 Year ₹ 12.3 Lakhs iii. Salary by industry Industry Salary IT Services ₹ 6.9 Lakhs Internet ₹ 8.9 Lakhs Software Product ₹ 8.3 Lakhs Financial Services ₹ 8.1 Lakhs KPO ₹ 5.6 Lakhs  8. Cybersecurity  Wondering which course is best for IT jobs? With the global cybersecurity market projected to reach $376.32 billion by 2029, there’s a pressing demand for competent professionals to combat rising cyber threats.  The best course for IT jobs provides complete training in threat detection, encryption methods, and risk management procedures. Practical courses on security protocols, techniques, and technologies help students gain industry certifications such as CISSP, CISM, and CEH.   In cybersecurity, some of the vital roles and responsibilities we have to undertake are:  Implement security measures to protect computer systems and networks.  Monitor networks for security breaches and investigate violations.  Develop and implement security policies and procedures.  Conduct security audits and risk assessments.  Some of the top Career options and their salaries after finishing the top IT courses in demand are:   Top Career Options  Average Salary (2024)  Cybersecurity Forensic Analyst  $79,000  Security Consultant  $95,367  Ethical Hacker  $85,720  How much does a cybersecurity expert earn in India? Factors affecting cybersecurity expert salary in India i. Salary by location City Salary Bangalore 11.7 New Delhi 10.1 Mumbai 12.4 Hyderabad 11.4 Pune 12.9 Chennai 10.5 Noida 10.5 Kolkata 12.8 ii. Salary by experience Industry Salary IT Services ₹ 11.8 Lakhs Software Product ₹ 9.2 Lakhs Financial Services ₹ 9.2 Lakhs KPO ₹ 9.5 Lakhs Food processing ₹ 10 Lakhs Law enforcement ₹ 10 Lakhs Manufacturing ₹ 15.2 Lakhs iii. Salary by industry Experience Salary 3 Year ₹ 8.6 Lakhs 5 Year ₹ 11.5 Lakhs 6 Year ₹ 12.9 Lakhs 8 Year ₹ 16.4 Lakhs 10 Years ₹ 17.5 Lakhs Source  9. DevOps  Wondering which IT course is best for high salary? By the end of 2022, the DevOps market is expected to hit an impressive mark of $8.88 bn and reach $10.84 bn in 2023. It represents continuous and sustained growth. During 2022, it stands at $9.6 billion, but it is to extend to $57.9 billion and is targeted to have a compound annual growth rate (CAGR) of 24.2% up to 2030.  The top IT courses in demand cover agile methodology, CI/CD workflows, and tools like Docker, Kubernetes, and Jenkins. Students learn to handle infrastructure as code, automate the software delivery process, and integrate the development and operations.   As DevOps professionals, our responsibilities encompass:  Automate the software creation, testing, and deployment processes.  Manage Infrastructure and configure using code.  Monitor system performance and fix problems.  Implement and manage CI/CD pipelines to ensure continuous delivery.  Some of the top career options and their salaries are:   Top Career Options  Average Salary (2024)  DevOps Engineer  $105,140  DevOps Architect  $127,172  Automation Engineer  $83,683  How much does a DevOps Engineer earn in India? Factors affecting DevOps Engineer salary in India i. Salary by location City Salary Bangalore ₹ 8.5 Lakhs Pune ₹ 8.6 Lakhs Mumbai ₹ 8.4 Lakhs Hyderabad ₹ 8.3 Lakhs New Delhi ₹ 8.5 Lakhs Kolkata ₹ 7.6 Lakhs Gurgaon ₹ 8.8 Lakhs Chennai ₹ 8.4 Lakhs ii. Salary by experience Experience Salary 2 Year ₹ 5.7 Lakhs 3 Year ₹ 6.6 Lakhs 5 Year ₹ 9.8 Lakhs 6 Year ₹ 11.4 Lakhs iii. Salary by industry Industry Salary IT Services & Consulting ₹ 8.4 Lakhs Software Product ₹ 9.3 Lakhs Internet ₹ 10.2 Lakhs Financial Services ₹ 9.1 Lakhs BPO & KPO ₹ 8.3 Lakhs Source  10. Web Development  The web development industry is forecasted to grow by about 16 percent from 2022 to 2032, driven by rising demand for websites and web applications across industry domains. The more businesses compete in the digital space, the more the demand for web developers who can design dynamic and easy-to-use websites.  In this best IT courses for high salary, the basics of HTML, CSS, JavaScript, and web development tools are covered. Students learn to build dynamic websites, use back-end application programming interfaces, and utilize frameworks like Angular and React. The essential skills include expertise in front-end and back-end development areas, frameworks, and version control systems knowledge.  In the best IT courses for high-salary web development, our roles and responsibilities revolve around the following:  Create, implement, and manage online apps and websites.  Put in place interactive and responsive user interfaces.  To integrate front-end code, work together with back-end engineers and designers.  For optimum performance and compatibility, test and debug the code.  The best career options and their salaries are:   Top Career Options  Average Salary (2024)  Front-end Developer  $83,033  Back-end Developer  $96,000  Full Stack Developer  $84,806  Factors affecting software developer salary in India i. Salary by location City Salary Bangalore ₹ 10 Lakhs Pune ₹ 9.7 Lakhs Mumbai ₹ 8.1 Lakhs Hyderabad ₹ 9.7 Lakhs New Delhi ₹ 8.3 Lakhs Kolkata ₹ 9.2 Lakhs Gurgaon ₹ 10 Lakhs Chennai ₹ 9 Lakhs ii. Salary by experience Experience Salary 1 Year ₹ 4.7 Lakhs 2 Year ₹ 6.2 Lakhs 3 Year ₹ 7.9 Lakhs 4 Year ₹ 9.7 Lakhs 5 Year ₹ 11.5 Lakhs iii. Salary by industry Industry Salary IT Services & Consulting ₹ 9 Lakhs Software Product ₹ 9.7 Lakhs Internet ₹ 11.1 Lakhs Financial Services ₹ 10.8 Lakhs BPO & KPO ₹ 7.5 Lakhs  11. Big Data  Today, companies are using big data analytics to discover insights for their data-driven decisions, and the demand for competent big data professionals is increasing by leaps and bounds. The analytics data market is forecasted to grow to $103 billion by 2027, which will need analysts with data processing, analytics, and visualization skills.  Large-scale processing, storage, and analysis tools and methodologies like Hadoop, Spark, and NoSQL databases will be covered in the best IT certifications for jobs course. Students learn to utilize data visualization and machine learning procedures to extract insight from big and complex data sets. Data processing skills, machine learning, and big data technology acumen are vital.  As professionals in the field of big data, the responsibilities include:  Gather, handle, and evaluate vast amounts of data.  Create and manage ETL procedures and data pipelines.  Distributed computing frameworks such as Hadoop and Spark should be implemented and optimized.  Create and manage data warehouses and databases.  Produce reports and insights through data analysis.  Some of the top career options and their salaries are:   Top Career Options  Average Salary (2024)  Big Data Engineer  $96,412  Data Scientist  $100,099  Data Analyst  $66,828  How much does a big data developer earn in India? Factors affecting big data developer salary in India i. Salary by location City Salary Bangalore ₹ 10.5 Lakhs New Delhi ₹ 9 Lakhs Mumbai ₹ 8.9 Lakhs Hyderabad ₹ 10 Lakhs Pune ₹ 9.6 Lakhs Chennai ₹ 9.1 Lakhs Noida ₹ 9.4 Lakhs Kolkata ₹ 8.3 Lakhs ii. Salary by experience Experience Salary 1 Year ₹ 6.5 Lakhs 3 Year ₹ 8.5 Lakhs 5 Year ₹ 12.5 Lakhs 6 Year ₹ 14.9 Lakhs 8 Year ₹ 15.9 Lakhs iii. Salary by industry Industry Salary IT Services ₹ 9.4 Lakhs Software Product ₹ 11.6 Lakhs Financial Services ₹ 10.6 Lakhs KPO ₹ 11.9 Lakhs Hardware ₹ 13.6 Lakhs Telecom ₹ 13 Lakhs Manufacturing ₹ 13.6 Lakhs Source  12. Digital Marketing  The Worldwide digital advertising budget is expected to increase from $333.25 billion in 2019 to $517.51 billion in 2023. The demand for digital marketing expertise is increasing, and more businesses have started using online platforms.  The best IT courses in demand cover digital marketing techniques and technologies like PPC advertising, email marketing, social media marketing, and SEO.   In the best IT courses without coding digital marketing, we are responsible for the following:  Develop and implement digital marketing strategies to drive online traffic and engagement.  Manage social media accounts and online advertising campaigns.  Analyze website and campaign performance using web analytics tools.  Create content for various digital channels, including social media, email, and blogs.  Some of the top career options and their expected salaries are:  Top Career Options  Average Salary (2024)  Digital Marketing Specialist  $54,000  SEO Analyst  $55,883  Social Media Manager  $57,126  How much does a digital marketer earn in India? Factors affecting digital marketer salary in India i. Salary by location City Salary Bangalore ₹5.5 Lakh New Delhi ₹4.2 Lakh Mumbai ₹3.7 Lakh Hyderabad ₹4.8 Lakh Pune ₹4.6 Lakh Chennai ₹4.1 Lakh Noida ₹3.7 Lakh Ahmedabad ₹3.9 Lakh ii. Salary by experience Experience Salary Fresher ₹2.8 Lakhs 1 Year ₹2.7 Lakhs 2 Year ₹3.4 Lakhs 3 Year ₹4.2 Lakhs 4 Year ₹5 Lakhs 5 Year ₹5.7 Lakhs 6 Year ₹6.5 Lakhs iii. Salary by industry Industry Salary IT Services ₹6.8 Lakh Internet ₹6.7 Lakh Software Product ₹5.1 Lakh Financial Services ₹6.7 Lakh KPO ₹5.1 Lakh Source 13. Business Intelligence  Searching which course is best to get a job in IT sector? As companies attenuating their efforts to data for strategic decision-making is high, there is a high demand for business intelligence professionals. By 2022, the global business intelligence market will grow to USD 39.25 billion and expand to USD 65.94 billion by 2030.  During this top IT certifications in demand today course, students will learn various data analytics tools and techniques for data warehousing, data mining, and visualization.   The roles and responsibilities of business Intelligence professionals involve  Create data models and dashboards for reporting and analytics.  Extract, transform, and load data from various sources.  Analyze data for trends, patterns, and insights.  Interpret data and provide practical suggestions to stakeholders.  Collaborate with business users to determine reporting needs.  Some of the top career options and their expected salaries are:   Top Career Options    Average Salary (2024)    Business Intelligence Analyst    $75,000    Data Analyst    $66,828    Business Analyst    $74,405    How much does a business intelligence analyst earn in India? Factors affecting business intelligence analyst salary in India i. Salary by location City Salary Bangalore ₹ 8.9 Lakhs New Delhi ₹ 8.2 Lakhs Mumbai ₹ 7.4 Lakhs Hyderabad ₹ 8.3 Lakhs Pune ₹ 7.8 Lakhs Chennai ₹ 7.4 Lakhs Noida ₹ 7.5 Lakhs Gurgaon ₹ 7.3 Lakhs ii. Salary by experience Experience Salary 1 Year ₹ 6.0 Lakhs 2 Year ₹ 7.0 Lakhs 3 Year ₹ 8.0 Lakhs 4 Year ₹ 9.1 Lakhs 5 Year ₹ 10.0 Lakhs iii. Salary by industry Industry Salary IT Services & Consulting ₹ 8.1 Lakhs Internet ₹ 10.8 Lakhs Software Product ₹ 10.8 Lakhs Financial Services ₹ 7.5 Lakhs Analytics & KPO ₹ 8.7 Lakhs Source  14. Database Systems  The size of the international Database Management Systems (DBMS) market exceeding $125 billion is expected to grow by 2026.  In this best course for IT jobs, students learn about RDBMS, SQL query language, database modeling, and transaction management. Students learn to develop and optimize databases for effectiveness, safety, and scalability.   DBMS job responsibilities encompass:  Design, implement, and maintain databases to store and retrieve data efficiently.  Optimize database performance through indexing and query optimization.  Ensure data integrity, security, and availability.  Develop and maintain database schemas and data models.  The top Career Options and their salaries are:   Top Career Options  Average Salary (2024)  Database Administrator  $78,000  Database Developer  $82,766  Data Architect  $132,567  Why Seek a Career in IT? The following are some of the most prominent advantages of pursuing the best course for IT jobs: Education and training requirements- Initially, the prerequisites for education and training display significant variability, and in certain instances, one can manage with minimal formal education. Unlike professions in the medical domain, which typically necessitate a period of ten years or more of education and training, initiating the best course for IT jobs demands just a couple of years to amass the requisite knowledge and experience. Certifications and credentials offer efficient and cost-effective avenues for delving into various IT specializations, substantiating your field experience, and advancing your career. While it’s evident that specific sub-fields within IT impose greater demands than others, continuous learning, and training usually prove advantageous in a swiftly evolving sector. Nonetheless, you should not encounter numerous stringent barriers obstructing your entry point. Unlimited options- Within the best course for IT jobs, numerous employment opportunities warrant exploration, each presenting distinct advantages, drawbacks, and experiential dimensions. For instance, you might embark on a path as a computer programmer, engaging in developing novel software or tailored solutions. Alternatively, you could carve a niche as a quality assurance (QA) tester dedicated to optimizing the quality of existing products. For those inclined towards more intricate technical challenges, network engineer or systems analyst roles offer intriguing possibilities. The range of prospects is virtually boundless, permitting you to pursue various avenues. Earning potential- Yet another notable benefit within the domain of IT pertains to the potential for lucrative earnings. Even at the introductory level, IT roles play a pivotal role in an organization’s expansion, and a significant scarcity of IT expertise exists. This scarcity has the effect of elevating wage and salary levels. Initially, you will command a respectable income, and as you accumulate further expertise, your earnings will correspondingly increase. Hiring demand- Every single global organization necessitates the presence of IT personnel, whether it pertains to designing novel products, enhancing security measures, or simply facilitating the administration of devices and applications within the entity. Consequently, the call for IT experts remains substantial and consistently on the rise. Resources such as ISACA’s yearly State of Cybersecurity survey report furnish valuable observations into these recruitment patterns, employee retention, and sought-after proficiencies, enabling you to remain abreast of industry developments. If you possess the appropriate skill set and exhibit a commitment to continuous growth and advancement, the likelihood of facing unemployment becomes exceedingly remote. Remote work potential- While the concept of remote work might not resonate with everyone, it holds immense appeal for a significant portion of individuals. The concept of remote work has gained extensive recognition across various sectors, particularly during the COVID-19 pandemic. Embracing remote work not only provides heightened flexibility and alleviates the necessity of enduring a daily commute but also wields the potential to enhance productivity. Although the best course for IT jobs does mandate physical presence, numerous positions can be effectively executed remotely, contingent upon the availability of a capable computer and a dependable internet connection. Career flexibility- Imagine commencing an IT career only to find that your enthusiasm wanes—perhaps due to the emergence of monotony or a perceived lack of the desired growth potential. The silver lining is that a substantial portion of your skill set remains adaptable. As previously discussed, several best course for IT jobs provides ample room for transition. Should uncertainty continue to shroud your long-term aspirations, the IT field assures a comforting prospect of future flexibility, assuring you that change is feasible. Learn more: Top 9 Hottest Tech Skills Companies are Looking For Conclusion In the fiercely competitive IT job market, I’ve found that pursuing top technical courses is crucial for career advancement. These six courses, in particular, have been instrumental in broadening my domain knowledge and propelling me toward senior-level positions. Sharing from my experience, I believe that equipping oneself with specialized technical skills is essential for anyone aspiring to excel in the IT field. Happy learning!
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by upGrad

15 Jul 2024

25 Best Django Project Ideas & Topics For Beginners [2024]
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What is a Django Project? Django projects with source code are a collection of configurations and files that help with the development of website applications from the Django web framework. It serves as a host for the entire application and hosts the settings, URL patterns, etc. Django projects with source codes can help the developers in creating and managing individual applications that can manage particular functionalities. Django projects for beginners can be reused in various projects like promoting modularity and code reusability. A typical Django example project structure facilitates a well-maintained framework for developers to build and organize web applications with a high level of efficiency. Django projects for beginners with source code also help with rapid development and ensure scalability as a typical Django example project grows. Getting Started with Django Project Ideas Django projects open up a world of possibilities for beginners. Whether you are exploring Django python questions or whether you are looking for python project ideas, Django provides a reliable base for developers to create web applications. You can begin with a simple and a straightforward to-do list application. You can even choose Django as a personal blogging platform to understand the basics of Django and explore its features. Once you start getting the hang of it, you can even build complex websites like websites for e-commerce activities, weather forecast applications, social media sharing platforms, etc. Gaining practical knowledge of Django would not only enhance your resume but will make you a valuable asset for any company. As a developer, you will gain confidence to take up complex tasks and projects. Why Choose Django for Beginner Projects Django is the most sought-after choice for beginners because of its simple and easy to understand user interface and built-in features. Django follows the MVC pattern of coding. This pattern is transparent and organizes codes efficiently. Most beginners rely on Django to kickstart their journey of web application using Django. Built-in features like user authentication take additional complexity off the plate for early learners. Since many sites need login functionality, having django project or simple django project for beginners secure accounts out-of-the-box is crucial. It lets you redirect energy towards building distinctive features for your web app right away. Between the structured framework and handy tools, simple django project for beginners or create django project enables new coders to start crafting fully functional web applications faster, with less initial overwhelm. No wonder it remains beloved by programming beginners looking to launch passion django mini projects with source code or django sample project using a versatile framework with a gentle learning curve. Setting up Your Django Development Environment Django development environment is as crucial to build website applications with accuracy and efficacy in the following steps:  Step 1: First and foremost, you must install Python on your system.  Step 2: Use pip, the Python package manager and install Django. You can create a virtual environment to ensure that the project dependencies are isolated.  Step 3: Once you have activated Django, start a new project with the command “Django-admin start project”. Step 4: Once the above 3 steps are done, navigate to the project directory and create an application by using “python manage.py startapp”. Step 5: In this step you need to configure your project settings and include database connections along with static files (if any). Step 6: To ensure that the application is running smoothly, you must test this setup by running the development server with the command “python manage.py runserver”. Your Django development environment is now ready! Dive in and give life to all your ideas. Django Project Ideas You’ve learned Python, you know how to write code, and have mastered Django. But now you want to test your skills. Because the more practically strong you are, the better your salary would be. You want to see how you can use your knowledge of Django for creating products. But you have no idea where to start. Don’t worry, because, in this article, we’ll be discussing some interesting Django project ideas you can work on and the ideal django projects for resume. We, here at upGrad, believe in a practical approach as theoretical knowledge alone won’t be of help in a real-time work environment. In this article, we will be exploring some interesting Django project ideas which beginners can work on to put their Django knowledge to test. In this article, you will find 25 top Django project ideas for beginners to get hands-on experience on Django. Check out our free courses related to software development. Working on these project ideas will help you test your skills and realize where you lag. Projects are also great for improving your portfolio and resume. Completed projects are proof of your skill level.  The more you experiment with different Django project ideas, the more knowledge you gain. Explore Our Software Development Free Courses Fundamentals of Cloud Computing JavaScript Basics from the scratch Data Structures and Algorithms Blockchain Technology React for Beginners Core Java Basics Java Node.js for Beginners Advanced JavaScript Check out Full Stack Development Bootcamp – Job Guaranteed from upGrad How to Come Up with Project Ideas? You don’t always have to rely on external sources to come up with project ideas. You can come up with your ideas. Here are some tips on how to do so: 1. Reflect on your Experiences Take a look at your day-to-day life and think of the problems you face. Now, figure out which questions you can solve using Django. The more django project ideas you work on, the more experience and knowledge you gain. The best django project ideas or django sample project come from scratching your itch. So pay attention when small daily frictions pop up and consider if there’s a web solution. The more you actively notice, the more great starter app django projects with source code you’ll identify. Even if specific ideas already have apps, implementing your own take with django advanced projects lets you customize it to your needs while practicing critical skills. Brainstorm openly, and don’t limit yourself at first. Featured Program for you: Advanced Certification in Cyber Security 2. Take Inspiration from GitHub GitHub is a great place to find inspiration. It’s filled with developers and their projects; you might end up encountering a great open-source project there. Browsing what others have built makes sparking your ideas simpler. And you get to learn how real django projects or django advanced projects are organised behind the scenes by seeing the actual code. Rather than starting from a blank slate, you can generate ideas by exploring GitHub repos of popular programs and thinking about features you’d enjoy customizing or experimenting with yourself. When encountering an interesting portfolio piece or open-source Django program, ask yourself what extra functionalities you could build on top to make it your own. Our learners also read: Learn java online free! 3. Go to Hackathons Hackathons to get project ideas. You’ll get to meet many professionals who are brimming with ideas. It’s a great way to network and expand your knowledge too. Check out the latest django applications which are transforming the industry. Hackathons also give you a peek at the incredible innovations fellow django projects for beginners devs work on across sectors. Seeing how Python web frameworks build transformative solutions inspires blue-sky thinking about what’s possible for your side projects. And you never know—conversations with other participants could even spark potential founder partnerships or beta testers once you start executing your hackathon-inspired idea. So, here are a few Django Project ideas which beginners can work on: 25 Best Django Project Ideas & Topics for Beginners This list of Django project ideas for students is suited for beginners, and those just starting out with Django. These Django project ideas will get you going with all the practicalities you need to succeed in your career. Further, if you’re looking for Django project ideas for final year, this list should get you going. So, without further ado, let’s jump straight into some Django project ideas that will strengthen your base and allow you to climb up the ladder. Explore our Popular Software Engineering Courses Master of Science in Computer Science from LJMU & IIITB Caltech CTME Cybersecurity Certificate Program Full Stack Development Bootcamp PG Program in Blockchain Executive PG Program in Full Stack Development View All our Courses Below Software Engineering Courses Doing Django projects can help you considerably. You get practical experience and get to apply your knowledge of the framework. You’ll get to use a variety of functions while working on a project. Apart from that, completed projects are great for your portfolio as well. Completed python Django projects show your skill level and help a recruiter see your expertise. Even though Django is a very versatile framework, coming up with its project ideas can be a little tricky, especially for beginners. That’s why we’ve assorted a list of Django project ideas that vary from beginner level to intermediate. Try out these project ideas and test your skills.  Get Software Engineering degrees from the World’s top Universities. Earn Executive PG Programs, Advanced Certificate Programs, or Masters Programs to fast-track your career. 1. Email Sender Just getting into our first Django Project Ideas. With Django, you can create an email Automator which sends emails to a specific group of recipients automatically. You’d have the option of modifying the message of the email and select the recipients of the same. It’s a simple, fun, and exciting project. As you get familiar with the framework, there are so many neat ways to expand your program! Consider letting users dynamically pull in their customer data from APIs to personalise mass emails fully. The sky’s the limit on creative email templates – try A/B testing subject lines/content to optimize open and click rates. You could even experiment with more advanced features like email drip campaigns that automatically enroll new signups. Source Code: Email Sender 2. Text-to-HTML Converter A quick and useful project is building a Text to HTML converter. Your tool should be able to convert the selected text into HTML code. While the tool is quite easy to develop, you can use it for rapid development and documentation of your other projects. It’s a win-win. Moreover, provide excellent practice with core concepts like mapping objects, processing logic, interfaces, and string manipulation. By feeding in different types of text input and making the parser robust to variations, you also quickly expand your real-world use cases and identify edge scenarios. Beyond accelerating your personal docs and blogs django open source projects also consider features to boost utility over time. Allow custom styling options for versatility – like exporting light vs dark mode templates or facilitating A/B layout testing. Source Code: Text-to-HTML Converter 3. Chat Application This is one of the excellent Django project ideas for beginners. Chatting apps are in high demand. WhatsApp, Facebook Messenger, Telegram, are just a few of the most prominent chat apps out there. Building one of these will surely make your portfolio look more advanced. Creating a chat app with Django isn’t much difficult. You wouldn’t have much storage space so you can follow the route of Snapchat, i.e., delete older chats and save only the recent ones. Keep the interface exciting and add the option of sending voice messages, too, if you can.  Source Code: Chat Application In-Demand Software Development Skills JavaScript Courses Core Java Courses Data Structures Courses Node.js Courses SQL Courses Full stack development Courses NFT Courses DevOps Courses Big Data Courses React.js Courses Cyber Security Courses Cloud Computing Courses Database Design Courses Python Courses Cryptocurrency Courses upGrad’s Exclusive Software and Tech Webinar for you – SAAS Business – What is So Different? document.createElement('video'); https://cdn.upgrad.com/blog/mausmi-ambastha.mp4   4. A Safe for Passwords You can build a website that saves your passwords for your various accounts on different platforms. To make sure your passwords remain safe on this website, you’ll have to use an encryption algorithm, which will encode them. This way, you won’t store those passwords directly on the site. Password safes are quite useful, and there are multiple tools available from which you can take inspiration to work on this project.  Even though this falls under the Django basic projects category, with the increasing use of the internet and various platforms that require login through password, this project plays an important role. Source Code: Safe for Password 5. Tweets Automator Create a tool that automates tweets. In this tool, the user can write some tweets in advance, and the tool will post them on the set schedule. The user has the option of setting the program for posting these tweets as well. You’ll have to use Twitter API for this project, and with the help of some other APIs, you can customize the tweets and automate it completely.  This is a Django project that is suitable for beginners to intermediate level, yet with the increase in digital marketing, especially social media marketing, this will be a great Django project for resume. Source Code: Tweets Automator 6. Dictionary Application This is one of the interesting Django project ideas. You can use a variety of APIs from the internet and create a web app that acts as a dictionary. The user would enter a word, and your app will show its meaning. You can enhance the capability of your web app by adding antonyms and synonyms to the results. When implementing the backend, focus on integration and end-to-end parsing techniques – securely connecting to API sources, handling exceptions, and processing raw JSON outputs. And design an intuitive front-end interface tailored to lookups – clever UX like auto-complete powered by the vocabulary database makes it user-friendly. As your comfort with APIs and django open source projects architecture grows, keep expanding features! Hyperlink words in definitions to look up those terms recursively. Build a recommender that suggests words if no results are found. Enable voice input for hands-free access. Source Code: Dictionary Application 7. Notes Application You will have to create an interface that allows the user to create a new note and access the stored notes. Notes applications are quite simple to make, and it wouldn’t take you much time to finish this project. You can make the app more interesting by adding multiple features such as adding images or having the option of customizing the notes later on. This simple project will test your knowledge of Django and its capabilities considerably. As a versatile django projects for beginners or django task for beginners, a notes app has space to flex your skills. While starting out with Django fundamentals like interfaces, models and templates, graduated features help level up. Handling rich text inputs deepens your ability to manage web forms and validate dynamic data. Supporting multimedia introduces methods for integrating storage and embedding images seamlessly. Even experimenting with color schemes or grid layouts pushes CSS abilities while enhancing the front end. Source Code: Notes Application 8. Django Blog Blogs are spread everywhere on the internet. In this project, you’ll create a blog, which enables people to read your articles, and allows the team members to add more blogs to the site.  You’ll have to create a unique and simple interface that makes the blog accessible. To make your blog more interactive, you can add a comment section as well where people add their comments on the blogs they read. You’ll need to develop a theme for the blog to make sure it looks seamless.  This is the best django projects for resume touches on core skills like data models for posts and, user authentication for content creators and categorization for easy browsing. Start with the basic blog templates, feed views, and content rendering. Add comment moderation features and integrate SEO best practices. Progressively enhance styling and customization spanning layouts, themes, dynamic formatting etc. Source Code: Django Blog 9. Ecommerce Store Ecommerce stores are quite famous and require a nice interface. You can develop one by using Django. The web app would display products, and when a user would click on a product, it would direct them to its page. You’ll get work with a lot of data, which you’ll need for product descriptions. Apart from that, you’ll have to add a transaction method to the site, too, for processing payments. This project requires a little effort, but it’s worth it.  Building an e-commerce platform tests key django open source projects skills – data modeling and views for the catalog, complex interfaces with shopping flows, and form handling for transactions. Start by displaying products across categories and detail pages for each item. Hone template design and CSS for the storefront styling. Integrating payment gateways to enable cart checkout is a significant level up – securely gathering customer and payment details, connecting APIs to process transactions, and validating inputs. Later, allow user accounts to save carts, unlock special pricing, and access order history. Source Code: Ecommerce Store 10. Video Calling App This is one of the trending django project ideas.  You can create a web app that lets you chat through video calls. You can connect to a friend or someone else through the web app and talk. While the project is fun to work with, developing it will help you in understanding how video is transmitted through a connection. With the high popularity of video streaming apps, having an understanding of video calling through Django will help you considerably in showcasing your skills.  A video chat web app tests core best django projects for resume or django python project concepts like handling user accounts and permissions for secure connections. Study protocols behind transmitting real-time video streams across the internet and integrate libraries that optimize display while minimizing latency. Design the interface for account registration flows and the actual video chat views – consider how to smoothly incorporate crucial components like cameras, microphones, and chat functions. Source Code: Video Calling App  11. Social Networking App You can use Django to create a social media app where people can connect, share their opinions, and make new friends. You can enable the platform to transfer texts, images, audios, and videos. Take inspiration from any significant social media platform out there, like Facebook, and develop a small social networking application of your own.  You’ll have to work a little harder in this project because you’ll need to keep your users’ data secure and private. You wouldn’t want any breach of privacy to happen on your platform. It’s an advanced-level project, but it will be quite interesting to work with.  Source Code: Social Networking App  12. Interactive Maps Do you use Google Maps for navigation? You can create your version of Google Maps, as in an interactive map by using Django. A simple map will only give the location of the user, but by adding a few animations, you can make it more interactive and exciting. The map can change its graphics according to the user’s location and options. It can be a pretty useful solution. Moreover, you’ll get valuable experience out of it.  This project idea also fits perfectly in the category of advanced Django projects as it showcases a fine amalgamation of implementing data and animation. As the graphics are dynamic and change based on the priorities of the user, designing the interface also shows a great amount of credibility. Source Code: Interactive Maps 13. Django CMS Use Django to create a content management system. There are plenty of CMS platforms present on the internet; the most popular one is WordPress. You can take inspiration from other CMS tools available and add more features to your product accordingly. It will give you a lot of experience in working with content management systems and their functionality.  Developing intricate features will help you in trying out different skills as well. This is an intermediate level project idea, so work on it after you’ve completed a few projects before.  Designing a CMS from scratch allows immense customization for unique use cases while mastering core backend concepts. Build an intuitive interface for content creators to quickly assemble posts/pages using drag-drop modules for text, images, videos etc. Enable easy site styling configurations. Implement a review/approvals system before publishing, user roles, and permissions for collaboration. As you advance, enable automations like scheduled publishing and SEO optimizations. Analyze content performance with metrics like view count, engagement, and funnel optimization. Allow custom domain mapping and integrate advertisement platforms to manage the monetisation of sites built on your CMS. Source Code: Django CMS 14. News App You can use Django to create a news aggregator application. This web app uses web crawlers and websites to show a collection of news from various sources. You’ll get to aggregate data from multiple sites to create this tool. Data aggregation can be quite a useful skill, and completing this project will help you learn the same.  This is a great way to develop core skills in consuming external APIs and handling JSON outputs. Research news data sources that offer open APIs for programmatic access. Using Django models, set up automated scrapers and parsers to regularly pull down articles and organise them by category, date, source, etc. Display the consolidated feeds on a customizable interface, allowing readers to browse headlines and links out. As you advance, enrich with natural language processing to tag smartly and cluster-related articles. Use sentiment analysis to detect trending issues and perspectives. Source Code: News App 15. Photo-centric App (like Pinterest) Create a web app that displays photos, portraits, and artworks. You can add the feature of ‘liking’ a post and its creator. You can give the users the functionality of following a specific account as well. You can take inspiration from Pinterest for this project. It’s also an intermediate-level project, so you should work on it after you’ve had experience with a few projects before. This idea exercises techniques for handling user uploads and managing a media gallery – build forms to securely accept images in various formats and store uploads mapped to accounts. Display galleries featuring creator details and metrics like view count or popularity. Study standing best practices around image rending for web and optimisation. Integrate APIs to enable image analysis for automated tagging and allow searchability based on subjects detected in photos using machine learning. Set up activity streams for users to scroll through photos posted by those they follow. Source Code: Photo-centric App 16. Login System Every aspiring Django Developer must know how to build a login system. Login systems are a crucial element of all types of commercial Web and mobile projects, and hence, this is an excellent project for beginners.  To build a login system, you can start by implementing a basic template of a login system, incorporate some changes in the template and use it to develop your web app’s login system. When you develop a login system using Django, you will not only hone your development skills but also learn the functioning of login systems from a Developer’s point of view.  Source Code: Login System 17. To-Do App  A to-do app is a software application that lets you make a list of tasks that you need to complete. You can make daily or weekly lists of tasks in a to-do app. Once you complete a task, you can mark it “completed” and update your to-do list. It is a convenient app that lets you keep track of your chores. It is one of the most beginner-friendly Django projects examples. To build a to-do app, you need not be a proficient Django developer – you only need to have good knowledge of Django basics. You can create a simple to-do app using tools like JavaScript, HTML, and CSS, and then host your app on the localhost server by using Django/Flask framework. Source Code: To-Do App 18. Weather App This is an exciting project to work on. Almost everyone uses a weather app to check the local weather status and even the weather conditions of locations around the globe. An efficient weather app shows several important weather details, including temperature, humidity, precipitation, wind speed, and so on.   You can use Django APIs to build a weather app like the REST framework. For those who don’t know, an API stands for application programming interface that includes a suite of communication protocols, subroutine definitions, and tools used for developing software applications. This project will teach you how to work with APIs and how to integrate them into your projects. Source Code: Weather App 19. Calorie Counter A calorie counter app lets you track and monitor your calorie intake and also how much calories you burn each day. Since this is a very simple project, it is ideal for beginners. You will create a calorie counter app with Django, where users can enter the details of all the food they consume in a day, and the app will calculate the calories and display the results to them. You can also add advanced functions to allow users to add their daily workout sessions and activities that will show how much calories they burn daily. This builds core skills in data modeling – define food and activity tables with nutritional information to compute against. Create intuitive input forms and flows for users to log meals, snacks, and workouts. Display graphs and reports analyzing trends over time. Consider using APIs to auto-complete food items as users type for efficiency. Additional features could include goal setting tied to weight management plans, personalized diet and exercise recommendations powered by analytics, social interactions like groups for accountability buddies, and fitness challenges. Source Code: Calorie Counter App 20. Video Subscription App Video subscription apps like Netflix and Hotstar are hot assets in the market right now. These platforms allow you to subscribe and stream video content by paying a specific amount. You can use Django to create a video subscription app like Netflix from scratch.  By working on this project, you will learn how to integrate and implement various aspects of a video streaming platform, such as data handling, building checkout pages, payment gateway, dashboards, configuring payment periods, processing payments, handling subscription cancellations, and much more. Overall, this will be a fun Django project for you. Source Code: Video Subscription App 21. Online School System This is one of the interesting Django project ideas. This Django project involves designing an online school system that teachers can use to create assignments for students. Even students can use this online portal to submit their assignments and view the results.  In this project, you will build a multiple-user system by using React and Django’s REST framework. Naturally, you will gain in-depth knowledge of how the React and REST framework function. It will also improve your frontend and backend web development skills. Designing the data models and API interfaces touches on key concepts like user roles, permissions, and authentication systems. Build separate flows for students to access study materials, submit work, track grades, etc, and for teachers to share resources, create quizzes, and review work. Consider collaboration capabilities like forums. As you advance, enable personalization – recommend content based on progress and flag areas needing improvement via ML algorithms. Build gamified reward systems to motivate participation. Develop mobile apps utilizing the same REST APIs for omni-channel access. Source Code: Online School System 22. Library Management System To build this library management system using Django, you need to make a CRUD (Create, Read, Update, Delete) app. For this project, you must possess the basic knowledge of working with servers and databases.  This is a great beginner-friendly Django project example as it will also help you test the depths of your basic knowledge and identify the gaps. The main goal of this library management system is to keeps a record of all the books in the library, books issued/returned by students, and even calculate fines. It manages all the information related to the library members, students, books, addresses. This management system will reduce the manual work of the librarian and other library staff. Source Code: Library Management System 23. Railway Enquiry System The main idea behind creating this project is to develop a railway enquiry web app using the API sourced from railapi.com. The app can track the details of all the trains, their timetables, and routes.  This app will provide users with all kinds of information related to the railway, including train timetables, PNR numbers, train routes, station details, available seats in different trains, etc. This is a great beginner Django project or django task for beginners to sharpen skills in API consumption. Study the rail API documentation to understand available data outputs. Set up automated scripts to regularly pull and parse updated train/station records into your database models. Build an intuitive search interface for travelers – train number/name, source/destination stations, departure/arrival date/time, etc. Display comprehensive travel details for selected queries. Incorporate features like PNR status tracking, live train running information, and seat availability visualizer. Integrate SMS/email APIs to send alerts for delays, arrivals, etc. Support building full journey planners pointing out the fastest routes between stations. Analyze aggregated searches to provide suggestions for popular routes. Source Code: Railway Enquiry System Read our Popular Articles related to Software Development Why Learn to Code? How Learn to Code? How to Install Specific Version of NPM Package? Types of Inheritance in C++ What Should You Know? 24. Quiz App Quiz apps are a fun way to expand your knowledge base. An ideal quiz app is one that is user-friendly but with the right features. In this project, you will design a quiz app using Django. It will include standard features like timed questions, quiz history, scoreboard, and so on.  The quiz app should be configurable so that users can personalize it to suit their interests. For instance, it should allow users to add their favorite topics, customize the question modules, add players, and also challenge friends. This project builds core capabilities in data modeling, views, form processing, and user accounts. Set up a database backend to store question banks and support continually adding new questions across customizable django python project and difficulty levels. Build engaging quiz-taker flows with countdown timers, skip logic, hints, and scoring systems. Enable social elements like leaderboards to share top scores and head-to-head battle modes to challenge other players. Consider gamification through points/badges for repeat engagement. Source Code: Quiz App 25. Web Crawler This is one of the excellent Django project ideas for beginners. A web crawler is a useful tool that browses the Web to index the content of websites so that relevant sites can rank in the SERPs (search engine results pages). In this project, you will build a web crawler that can collect the most relevant and trending stories on the internet.  The web crawler will efficiently track what people are talking about at the moment so that you never miss out on important or interesting topics that interest you. The crawler will also let you archive stories so that you can check which stories were trending on a particular date.  Apart from these Django basic projects, you may also need to add some advanced Django projects to your resume to increase credibility. Finding Django projects for final year can be both time and energy-consuming. Below are some Django project examples that you can use as impactful Django projects for final year. These Django projects for resume can significantly boost your chances of getting hired! Source Code: Web Crawler 1. Online Clothing Store Clothing e-store applications are now present on everyone’s mobile and systems, especially after the pandemic, people have shifted their preferences more towards online shopping. Therefore, building a web or mobile application for online clothing stores can be an interesting yet useful Django project idea. This project idea will help improve both the experience of the seller and buyers. Due to the fact that it is an advanced level Django project idea, to execute this, you need to have knowledge of Python along with a clear understanding of Django frameworks. The technology that is used in this project is the Django framework and SQLite database. The project will comprise two interfaces, one for the users and one for the admin. The user interface may contain elements like a product list with pricing, changing quantity, shopping cart, checking out, and placing orders. Whereas the admin interface may have admin login, adding and removing items from the website, modifying the items, etc. 2. WebSocket Programming in Python  Websockets are pieces of technology that help build interactive communication between a browser and the server they are using. This technology helps the browsers send messages to a server and receive responsive answers without the hassle of long-polling, meaning not having to check the server’s response constantly. The unread msg notification that pops up on various websites is due to WebSockets. There is a vast range of WebSockets applications, from chatting apps to online multiplayer games. Therefore, having this Django project on your resume can be very fruitful. To execute this project, you need to have a thorough understanding of Channels and pipenv install Django. Depending on your knowledge and interest, you can either build usual chatting apps or include full-duplex communication in a gaming app from Django projects examples. It will definitely be an impactful Django project for resume. 3. Blood Bank Management System  Another advanced level Django project idea will be to build a blood bank management system that can help improve the operations of the organization. The objective of the system is to provide a platform that can help patients or families of patients to find blood donors in their hour of need easily. In this system, all users will be able to see the list of donors based on various blood groups and also a list that will include the details of required blood groups at that moment. From the site, donors and patients can contact each other. To execute this project, you need to be familiar with a hand full of programming languages, especially, HTML, Bootstrap, Python, Django Framework, and CSS. as you will be showing your expertise in multiple programming languages, it can be a great Django project example for your final year. 4. Insurance Management System It is an online management system project in Python Django that focuses mainly on various insurance policies. The management system displays all the available policies in a categorized manner along with displaying their complementary policies. Apart from that, to ease the admin, the management system also keeps a record of the customers. This management system is also divided into two sections. One is for the customers and the other for the admin. Customers can log in, see available insurance policies, register for the ones they want, and start using them with the help of this management system. On the other hand, admins will have full control over the system, where they will be able to manage the flow of the system, approve or decline a customer’s policy request, etc. The programming language that will be required to build is a management system in Python with the Django framework. Knowledge of SQLite will also be needed as it will be the database type for the system. Due to the fact that not many programming languages are used for the project, and it contains all the important features of a Django project, it can be good for both beginners to advanced level students to attempt. 5. Thumbnail Generator with Django With the help of this generator system, you can auto-generate thumbnails for images in your model just by saving the image field. This is a great option of the website you built has a lot of pictures, and there you can utilise the feature of auto-generating thumbnails. This will definitely add to the user experience. To execute this project, you would be required to have knowledge of sorl-thumbnail. You will also need to know about various engines and plugins that go along with sorl-thumbnail. This system will command auto-generating missing thumbnails so that the website users do not have to wait to stare at a blank page while it is loading. Conclusion In this article, we have covered 25 Django project ideas. We started with some beginner projects which you can solve with ease. Once you finish with these simple projects, I suggest you go back, learn a few more concepts and then try the intermediate projects. When you feel confident, you can then tackle the advanced projects. If you wish to improve your Django skills, you need to get your hands on these Django project ideas. Creating Django projects is a great way to develop your skills and show your expertise. We hope the above ideas helped you in figuring out what you can do with your knowledge of this popular framework.  If you’re interested to learn more about Django and other full stack developer languages and tools, check out upGrad & IIIT-B’s Executive PG Programme in Software Development – Specialisation in Full Stack Development which is designed for working professionals and offers 500+ hours of rigorous training, 9+ projects and assignments, IIIT-B Alumni status, practical hands-on capstone projects & job assistance with top firms.
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by Kechit Goyal

11 Jul 2024

Must Read 50 OOPs Interview Questions & Answers For Freshers & Experienced [2024]
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Attending a programming interview and wondering what are all the OOP interview questions and discussions you will go through? Before attending an interview, it’s better to have an idea of the type of interview questions so that you can mentally prepare answers for them.To help you out, I have created the top OOPs interview question and answers guide to understand the depth and real-intend of OOPs interview questions. The mentioned below list contains some of the frequently asked object-oriented interview questions. It includes both advanced interview questions on OOPs as well, as basic object oriented programming interview questions. Let’s get started. To begin with, you must engage in understanding the domain well and conduct in-depth studies. Only a solid base will help you sail through such interviews with ease. OOPs is the programming paradigm based on the concept of objects instead of just functions as procedures. This is a popular methodology used among developers. The top OOP languages are Python, C++, Java, Dart, C#, Go, and Ruby. What are the main principles of OOPS? Before delving into the different kinds of advanced oops interview questions and basic OOPS interview questions, let’s clear out a few basic facts about this computer programming model. To put it simply, there are four main principles of OOPs. They are: Encapsulation– According to this principle, all the important information is captured inside an object, and only select information is exposed. One of the major benefits of this principle is that it effectively allows greater program security and eliminates the risk of unintended data corruption.  Abstraction– The second major principle followed by OOPs is abstraction which states that objects reveal only those internal mechanisms that are necessary to the use of other objects. This helps to steer clear of unnecessary implementation code, which automatically gets hidden under this principle. Inheritance– Under this principle, classes can reuse codes from other classes. This leads to a series of advantages like thorough data analysis, reduction in development time, and a higher margin of accuracy.  Polymorphism– It enables different types of objects to pass through the same interface. Objects can be designed to share behaviours and they can take on more than one form. A number of tech giants are looking to hire developers who come with expertise in object-oriented approaches or patterns. Such hiring companies conduct interviews for similar profiles. The main benefit of hiring these candidates is OOP related languages are easier to learn as per the requisites of an organization. This is why prepping for such interviews with the right knowledge of OOPs interview questions and answers will enhance your chances of getting hired by these companies. The programming world and the languages have come a long way since the inception of programming languages. However, one thing that has stood out the test of time is the Object-Oriented programming concepts. Whether you are looking for a starting a career in programming or trying to improve your skills, you should develop a solid understanding of object-oriented programming or object-oriented programming systems (OOPs). In this article, we will help you prepare the most crucial OOPs interview questions and answers. Let us review the OOPs concepts and interview questions for freshers around the key features of OOPs, advantages, and limitations. These OOPs interview questions cover the essential aspects of object-oriented programming. Understanding these concepts and the questions that are asked will help you prepare well for a job interview and tackle real-world programming assignments. Some believe that writing tests under OOP seem harder than otherwise. Moreover,  any refactoring is hard to process. This is like a situation of reusing code wherein, in the words of Erlang, a popular creator, you get a gorilla holding a banana instead of just the latter. In OOP, things come with an inescapable and implicit environment.  Check out our free courses related to software development. Explore Our Software Development Free Courses Fundamentals of Cloud Computing JavaScript Basics from the scratch Data Structures and Algorithms Blockchain Technology React for Beginners Core Java Basics Java Node.js for Beginners Advanced JavaScript Top OOPs Interview Questions and Answers Let’s learn about the most common OOPs concepts in interview questions. 1. What is Object-oriented programming? This is among the most basic OOPs interview questions or object-oriented programming interview questions. Your answer should be:  Object-Oriented Programming refers to the programming paradigm defined using objects instead of only functions and methods. The objects contain data, called fields or attributes, and methods that provide the logic or supporting code. It provides capabilities such as inheritance, polymorphism, encapsulation, and abstraction. More simply, this is the approach used in developing applications emphasizing objects. The object is an entity containing data as well as code, which allows the binding of data with code. Object-oriented programming has various benefits; it is instrumental in breaking down a huge problem into its simple, solvable chunks. For instance, for each mini-problem, the programmers write a class that does what is required. Advantages of the OOP include- Support modularity for troubleshooting- Whenever there is any problem in a code, there is no need to go through each code in a serial manner. By the look, the programmers can figure out the problem, if it is in any particular class or not.  This is how amazingly encapsulation works, the objects are self-contained, and each part of the functionality does its own thing, leaving the other bits alone.  Code reuse through inheritance It is useful in creating one generic class and defining subclasses that are supposed to inherit the generic class’ traits. The programmers can also change code in one class, and all the subclasses will inherit the change.  Flexibility provided using Polymorphism  A single object can mould and adapt to whichever class it is in. One function can be created in one parent class. Polymorphism brings flexibility to the design, allowing the same method to have different implementations. Answering this top pick among OOPs interview questions for freshers is a good approach. As one of the top OOPs programming interview questions asked, brush up on this topic thoroughly. Our learners also read: Java free online courses! 2. What are the main features of object-oriented programming? This is also one of the most commonly asked OOPs interview questions.  In this OOPs interview question, make sure you list the four main features: Inheritance– It enhances the code’s ability to reuse existing objects.This feature allows new classes to inherit properties and behaviors from existing classes. It promotes code reusability by enabling the creation of a hierarchy of classes, where subclasses inherit characteristics (methods and attributes) from their parent classes. Inheritance facilitates the extension and modification of existing code without rewriting it entirely, enhancing the code’s ability to reuse existing objects and reducing redundancy. Encapsulation– Enhances modularity. It makes sure to keep routines separate and avoid any conflict.Encapsulation emphasizes the bundling of data (attributes) and methods that operate on that data within a single unit, known as an object. It promotes modularity by hiding an object’s internal state and implementation details from the outside world. By keeping routines separate and limiting access to certain parts of the code, encapsulation helps prevent conflicts and unintended interference, thereby enhancing code maintainability and flexibility. Polymorphism– It allows new shapes to be easily integrated.Polymorphism allows objects to take multiple forms and enables different objects to be treated uniformly through a common interface. It allows the integration of new shapes or forms without altering the existing codebase significantly. This feature simplifies code design by enabling objects to be manipulated and used interchangeably, promoting flexibility and scalability in the software architecture. Data Abstraction– It ensures that only essential information is displayed and the details are hidden.Data abstraction focuses on displaying only essential information while hiding the underlying implementation details. It allows developers to create abstract representations of real-world objects by emphasizing what an object does rather than how it does it. By defining clear interfaces and hiding complex implementations, data abstraction simplifies the interaction between different system components, enhances code readability, and eases maintenance and modifications. While answering these types of oops interview questions, make sure not to suffice your response by only mentioning the features. Instead, always say at least one line of information of the features. Check out our Advanced Certification in DevOps 3. What are the advantages of Object-oriented programming? One of the most common oops interview question. Problems of any level of complexity can be supported by object-oriented programming.It allows the modeling and representation of problems of varying complexities and provides a structured approach to design and implementation. This enables developers to break down complex problems into manageable units (objects), facilitating easier problem-solving. Highly complex problems can be handled by object-oriented programming,By breaking down a complex system into smaller, interconnected objects, OOP promotes modularity and abstraction, making it easier to understand, develop, and maintain large-scale applications. It provides an efficient mechanism for code reuse using inheritance which reduces redundancy.Inheritance in OOP enables the creation of new classes (child classes) that inherit properties and behaviors from existing classes (parent classes). This allows code reusability and reduces redundancy simultaneously by allowing common functionalities to be defined once in a superclass and used in multiple subclasses. It provides a mechanism for hiding data.OOP’s encapsulation involves bundling data and methods within an object that helps hide the internal state of an object and expose only necessary interfaces. This mechanism ensures data integrity, enhances security, and reduces the risk of unintended interference, contributing to more robust and secure code. It is based on a bottom-up approach.The development of this approach starts with individual objects that are later combined to form more complex structures. This approach promotes a clear understanding of the relationships between objects and helps build scalable and adaptable systems. It offers flexibility through polymorphism  –Polymorphism lets you use different class objects as if they were from the same shared superclass. This flexibility makes way for interchangeable usage of objects, simplifies code design, and facilitates the addition of new functionalities without altering existing code, thus enhancing adaptability and scalability. It improves maintainability of the codeIt is secure and provides security through encapsulation –The encapsulation of data and methods within objects reduces dependencies and makes modifications less prone to error, thereby improving the overall maintainability of the codebase. It allows for a class-specific behaviour through polymorphism –OOP’s polymorphic nature allows different classes to exhibit specific behaviors based on their individual implementations of methods inherited from a common superclass or interface. This characteristic enables objects to be treated uniformly through a shared interface while allowing each class to define its unique behavior. This feature enhances code flexibility, scalability, and adaptability by facilitating the customization of behaviors based on specific class implementations. It easier to debug –OOP promotes a modular and organized approach to software development. Objects and classes encapsulate data and functionality, making isolating and debugging specific components easier without affecting the entire system. With a clear structure and well-defined relationships between objects, debugging becomes more straightforward, enabling developers to identify and rectify issues efficiently. It is easily maintainable –Object-Oriented Programming promotes organized, reusable code by encapsulating data and methods within objects. This reduces repetition, encourages code reuse through inheritance and polymorphism, and simplifies updates and modifications. The modular structure enables focused changes without disturbing the entire system, improving long-term code maintenance. It provides for effective troubleshooting –OOP’s modular and structured nature simplifies the debugging process. By isolating issues to specific objects or classes, debugging becomes more manageable, allowing developers to identify and resolve problems more efficiently. This approach also aids in effective troubleshooting, as problems are contained within specific code units. This makes for oops interview questions for experienced and freshers. Questions like such can be asked to any professionals of various experiences. Make sure to prepare well! Explore our Popular Software Engineering Courses Master of Science in Computer Science from LJMU & IIITB Caltech CTME Cybersecurity Certificate Program Full Stack Development Bootcamp PG Program in Blockchain Executive PG Program in Full Stack Development View All our Courses Below Software Engineering Courses Check out our Advanced Certification in Blockchain upGrad’s Exclusive Software and Tech Webinar for you – SAAS Business – What is So Different? document.createElement('video'); https://cdn.upgrad.com/blog/mausmi-ambastha.mp4   4. What is Structural programming? This is also among the top searched OOPs interview questions commonly asked by panelists and interviewers. Structural programming refers to the traditional method of programming, which is based on functions. The overall program logic is divided into functions to provide a logical structure. It is based on a top-down approach. Structural programming is suitable for easy to moderately complex problems.  5. What is a class? A class defines the template or the definition of an object. It is used for creating objects at run time. It provides the data structure, provides initial values for the attributes, and methods that provide the logic for the intended behaviour of the object. The class does not consume memory at runtime. A class refers to a logical entity. E.g., a vehicle may be defined as a class.  Features of structural programming include- It follows a top-down approach. The programs are divided into small self-contained structures. It focuses on functions and processes that usually work on data. It is represented as the logical structure.  There is no way of data hiding, and it is less secure.  There is the importance given to the code.  There is less flexibility. There is less abstraction. This makes for, oops important questions. You may also be asked to enunciate the difference between structured and object-oriented programming. So prepare at least five points for each. 6. What do you mean by an object? When preparing OOPs concepts for interview, make sure that you are thoroughly familiar with this topic. This is among the commonly asked OOPs interview questions for experienced candidates. An object refers to the run time instance created from the class during program execution. Objects can refer to real-world entities that have attributes or properties and methods to support the behaviour. Objects consume memory space when they are initialized. The objects are the first thing the programmers think of frst, while designing. The objects are the class instanecs that allows the programmers to make use of variables and methods from inside the class. The memory is allocated in the heap memory when the objects are created. The objects are the physical entities that can be manipulated. An object is created by using new keywords. They can also be created using new instance, clone method, and deserialisation.  There are various uses of objects, they can be used to access a piece of memory using an object reference variable. They can also be used to hold, manipulate  and reference the data.  This makes for the oops interview questions for experienced professionals. Take this very simple as an opportunity to demonstrate the depth and breadth of your knowledge. An elaborated response as mentioned above, would help in establishing a strong hold in the interview. In-Demand Software Development Skills JavaScript Courses Core Java Courses Data Structures Courses Node.js Courses SQL Courses Full stack development Courses NFT Courses DevOps Courses Big Data Courses React.js Courses Cyber Security Courses Cloud Computing Courses Database Design Courses Python Courses Cryptocurrency Courses 7. Is it always necessary to create objects from class? No, it is possible to call a base class method if it is defined as a static method. In Object-Oriented Programming (OOP), classes serve as blueprints or templates for creating objects. Static methods in classes, marked by the ‘static’ keyword, don’t require object creation. They’re associated with the class itself and can be called directly using the class name, bypassing the need for object instances. For instance, let’s consider a class ‘MyClass’ with a static method staticMethod(): class MyClass: @staticmethod def staticMethod(): print(“This is a static method”) Now, without creating an object of the class ‘MyClass’, you can call the staticMethod() directly using the class name: MyClass.staticMethod()  # Calling the static method without creating an object Here, the staticMethod() is associated with the class itself and not with any specific instance. Therefore, it can be called using the class name directly, bypassing the need to create an object. This is an example of one of the many OOPs coding interview questions that you can expect in an interview. Prepare yourself well to answer these OOPs programming interview questions efficiently. 8. What is a constructor? A constructor method is used for initializing the objects. They are special types of methods and have the same name as the class.  A constructor has various advantages attached to it. It is invoked automatically as soon as the object of class is created. This is popularly known as Automatic Initialisation of Objects. The constructor also guarantees that the object undergoes proper initialisaion before being used.  This can be deemed as one of the OOPs tricky interview questions. Make sure you prepare these OOPs interview questions for freshers thoroughly so you can answer with confidence. Look at how the answer has been illustrated mentioning the advantages subtly into the answer. While answering oops interview questions for freshers, you can see this as an opportunity to showcase your technical understanding of the domain to the recruiter. Read: Java Interview Questions & Answers 9. List the various types of constructors Multiple types of constructors that are supported across multiple object-oriented programming languages are: Default constructor Copy constructor Static constructor Private constructor Parameterized constructor 10. What is a destructor? A destructor is a method used for freeing up the resources allocated to an object. This method is automatically invoked when an object is being destroyed.  The destructor is used to destruct the objects when they are no longer in use. When the object is being destroyed, the destructors are called. Overloading is not allowed, moreover, they indulge in releasing the memory.The destructors can never be static, and they have no return type.  This is also one of the very common OOPs concepts interview questions that you might be asked in OOPs round in interview if you are an aspiring software developer. Make sure that you have these concepts thoroughly memorized. 11. What is meant by a copy constructor? A copy constructor helps in cloning objects by replicating the values from one object into another object which belongs to the same class.  It is a special constructor which is used to make a copy of an existence during initialisation. Whenever the object is passed to a function and exact copy (bitwise) of that particular object is created and given to the function.  OOPs concepts interview questions are asked to understand how well the candidate is thorough with the concepts of the domain. The recruiters typically ask these types of questions to understand how well the candidate can be an asset to the organisation. 12. Can you please highlight the difference between a class and a structure? A class means a user-defined template from which objects are created at runtime. A class is made up of methods that provide the logic for various behaviours supported by the objects. A structure means a user-defined combination of attributes of various data types. Refer to the below-mentioned table to understand the difference- Class Structure Instantiates an objects using a new keyword.  Instantiates an object without using a keyword. Instance of a class is an object. Instance of a structure is a structure variable. Has the ability to inherit from other classes or objects. Does not have the ability to inherit from other classes or objects. Can contain destructor. Cannot contain a destructor. ‘Class’ keyword can define class. ‘Struct’ keyword can define structure. Members remain private when there are no access specifiers are declared. Members remain public when there are no access specifiers are declared. When you are an experienced person, the recruiter wants to see soem depth in you. In that sense, they can ask you to lat out diffrences among two concepts like shown above. When answering to these types of oops interview questions and answers for experienced professionals, make sure to categorise and structure your response and do not indulge in answering vaguely or without any structure.  13. Can you please explain the concept of inheritance with an example? Inheritance is a powerful feature of object-oriented programming which allows classes to inherit properties and methods from other classes. This helps improve code reuse.   For example, a base class represents a logical concept, such as a vehicle that may define only the common properties shared by all types of vehicles. However, child classes can inherit from this base class to define more specific types of classes such as a truck, a car, or a bus. In this case, the child classes will inherit the common attributes of the vehicle, and will be able to define attributes, method specific to its own.  14. What are the limitations of inheritance? The inheritance requires more processing time for the programs as it has to navigate various classes during execution. Due to inheritance, the parent and child class are tightly coupled. When any changes are needed in the logic, it may require changes in both parent and child classes.  If the inheritance is not correctly implemented, it can lead to undesired results.  15. What are the various types of inheritance? Single Inheritance In single inheritance, a class inherits properties and behavior from only one superclass (or parent class). This means that a derived class (or subclass) extends a single base class. For example, Class B inherits from Class A. Multiple Inheritance Multiple inheritance allows a class to inherit properties and behavior from more than one superclass or parent class. When a derived class inherits from multiple base classes, it can encounter problems like the “diamond problem.” This issue arises when ambiguity occurs because two parent classes have a method with the same name. Some programming languages, like Java, do not support multiple inheritance for classes but may support it for interfaces. Multi-level Inheritance In multi-level inheritance, a class serves as a derived class (subclass) in one relationship and as a base class (superclass) in another. This creates a chain of inheritance where a subclass inherits from a superclass, and another class further inherits from this subclass. For instance, Class C inherits from Class B, which in turn inherits from Class A. Hierarchical Inheritance In this case, a single base class acts as the origin of multiple classes. This means that more than one subclass extends the same superclass. Each subclass inherits the properties and behaviors of the common superclass but can have its own unique characteristics. For example, Class B and Class C both inherit from Class A. Hybrid Inheritance Hybrid inheritance is a combination of two or more types of inheritance. It can combine any of the above inheritance types (single, multiple, multi-level, or hierarchical) within a single program.   16. What is the meaning of hierarchical inheritance? When multiple subclasses inherit a base class, it is called hierarchical inheritance.  The derived class can act as a base class to new derived class. The more higher in hierarchy the class would be, more general information it would contain. 17. Distinguish between multiple and multi-level inheritances?  In the case of the multiple inheritance, a class inherits more than one parent class. In contrast, multi-level inheritance means that class inherits from another class, which is a subclass of some other parent class. Refer to the below-mentioned table to understand the differences- Multiple Inheritance Multi-level inheritance A class can inherit from more than one base class. It is an inheritance type from a derived class, where the derived class can act as a base class for a new class. It brings more complexity into the system, hence not use widely. It does not bring complexity in the system, hence widely used. It has two class levels namely, base and derived class. It has three class levels namely base, intermediate and derived class.  This question can form tricky OOPs interview questions asked during the interview. Make sure to not get confused to somewhat similar names. You may use the above table as a cheat sheet for yourself. Read our Popular Articles related to Software Development Why Learn to Code? How Learn to Code? How to Install Specific Version of NPM Package? Types of Inheritance in C++ What Should You Know? 18. How do you define hybrid inheritance? The hybrid inheritance is defined as the usage of multiple and multilevel inheritance in a single class. Read: SQL Interview Questions & Answers 19. What is a subclass? The child class which inherits from another class is referred to as the subclass.  20. Define a superclass?  A superclass implies a class from which other classes inherit. e.g., the vehicle will be referred to as superclass of classes car, bus, or truck if they all inherited from the same superclass.  21. What is meant by an interface? An interface allows a declaration of methods without providing a definition.  You cannot create objects from the interface. When a class implements an interface, it needs to implement the methods provided by the interface.  With the interface implementation, a class can perform a role that is different from its class hierarchy. It also provides a standard set of methods for a group of classes. The objects in these classes can be accessed using standard set of methods without concerning the location in class hierarchy. An interface is of high importance to achieve abstraction. Functionality of multiple inheritance can be supported. Moreover, it is possible to attain lose coupling using interface. OOPs coding interview questions  like this should be elaborated and must make a mention of some importance the function performs. 22. What is polymorphism? Polymorphism is a significant feature of object-oriented programming. It means an ability to exist in multiple forms. A single interface can be implemented in multiple ways by providing various definitions.  Features of Polymorphism- Functionality of a method behaves differently in different scenarios. The method behaviour depends upon the provided data. Same name for a member or a method can exist in a class with different types. It supports implicit type conversion. Types of Polymorphism- Run-Time Compile-Time Advantages of Polymorphism- Codes can be reused using polymorphism. Coupling reduction between functionalities. Single variable name can be supported for multiple data types. Reduction in complexity. Better maintainability.  Read more: Top 6 Reasons Why Java Is So Popular With Developers 23. What is meant by static polymorphism? The static polymorphism or static binding allows us to link a function with objects during compilation. It can be implemented by method overloading of operator overloading.  Features of static polymorphism- Collects information during compie-time to call a method. It occurs at compile- time. Alternatively called as static binding and early binding. Method overloading is an example of static polymorphism. 24. What is meant by dynamic polymorphism? A dynamic polymorphism or dynamic binding allows for a call to an overridden method at the run time.  Features of dynamic polymorphism- Collects information at run-time to call a method. Occurs at run-time. Alternatively called as dynamic binding or late binding. The execution speed is slow. Method overriding is an example of dynamic polymorphism. 25. What is method overloading? One of the most common oops interview question. The method overloading is a very useful feature of object-oriented programming in which multiple methods can have the same method name; however, they have different arguments. The call to the method is resolved based on the arguments. Advantages of method overloading- Allows to use the same name for a group of methods having the same purpose. Provides an easy way t handle the default parametre value. It is possible only in same class. It is used to implement the compile-time polymorphism. Static methods  can be overloaded. It is helpful to extend functionalities. 26. What is the meaning of method overriding? Method overriding allows the child class to redefine methods of parent class by applying its implementations. However, the method name, arguments, and return types remain the same.  27. Can you explain what operator overloading is? The term operator overloading means that depending on the arguments passed, the operators’ behaviour can be changed. However, it works only for user-defined types.  Advantages of method overriding- Only possible in derived classes. The method must be a non-virtual or static method for overriding t to happen. It is helpful to overwrite or change the functionalities. It is used to implement the run-time polymorphism. 28. How do you explain the difference between overloading and overriding? Overloading a method means that multiple methods share the same method name but have different arguments. However, in the case of the overriding, the child class can redefine the implementation of a method by retaining the same arguments. Another difference is that the overloading is resolved at compile-time while overriding is resolved at run time. Learn Software Courses online from the World’s top Universities. Earn Executive PG Programs, Advanced Certificate Programs or Masters Programs to fast-track your career. 29. What do you know about encapsulation? One of the most common OOPs interview question. Encapsulation is an important feature of object-oriented programming. It allows the binding of the data and the logic together in a single entity. It also allows the hiding of data.  Advantages of using encapsulation- It provides better control over the data. A field of class can be made read-only or write-only. It provides higher flexibility. There is more scope for easy debugging and testing. The data can be hidden using encapsulation, thus increasing security. 30. What is meant by data abstraction? Data abstraction refers to the ability of object-oriented programming that allows hiding the implementation details of logic yet allows for access to only important information. Advantages of data abstraction- Focus on the observable behaviour of an object. Problems can be solved at the design level using abstraction. Unwanted information can be hidden using data abstraction. Reliability can come into implementation with data-hiding features.  It can be used by either using an abstract class or interface. Check out: Full stack developer interview questions 31. How can data abstraction be accomplished? Data abstraction can be accomplished through either an abstract class or an abstract method.  32. What is meant by abstract class? Any OOPS Interview Question and Answers guide won’t be complete without this question. An abstract class is made of abstract methods. The abstract methods are only declared, however, not implemented. When a subclass needs to use the methods, it needs to implement those methods.  Features of abstract class- It does not support multiple inheritances. It contains data members. It consists of constructors. It can possess access modifiers for the subs, functions, and properties. Only the complete member of the abstract class can be static. 33. Can you please elaborate on ‘access specifiers’? Support this OOPs interview question’s answer with examples: Access specifiers are special keywords that control the accessibility of methods or classes etc. They are also called access modifiers and are used to achieve encapsulation. e.g., the keywords public, private, and protected are some examples of access specifiers.  34. How do you create an instance of an abstract class? You cannot create an instance of an abstract class since it lacks implementation logic in its methods. You first need to create a subclass that implements all the methods before an object can be initialized.  35. What is a virtual function? A virtual function is defined in the parent class and may have definitions implemented. A subclass can override these definitions.  36. What is a pure virtual function? A pure virtual function is only declared in the parent class. It is also referred to as an abstract function. Pure virtual functions do not contain any definition in the base class. They must be redefined in the subclass for the implementation needed.  37. Distinguish between data abstraction and encapsulation. Data abstraction is the ability to hide unwanted information.  The encapsulation refers to the ability to hide the data as well as the method together. Refer to the below-mentioned table to understand the differences between the two- Data Abstraction Encapsulation Shows only the functionality to the user.  It wraps or binds the data together into a single unit. Reduce the code complexity. Hides data for data protection. It uses abstract classes and interfaces to achieve data abstraction. Encapsulation can be achieved by making the data members private and accessing them through public methods. Solves the problem at the design level. Solves the problem at the implementation level. Focuses on what the object does instead of how it does it.  Hides the internal mechanics of how the object does something. 38. What are the differences between interfaces and abstract classes? It is one of the general oops interview questions and answers guides. An abstract class can support both abstract and non-abstract methods. However, the interface allows only abstract methods.  In the case of an abstract class, both final and non-final variables are supported. However, the interface has variables that are, by default, defined as final.  The abstract class can have private, and public attributes, but interfaces have attributes as public by default.  Refer to the below-mentioned table to understand the differences between the two- Interfaces Abstract classes Supports multiple inheritances. Does not support multiple inheritances. Doesn’t contain data members. Contains data members. Doesn’t contain constructors. Contains Constructors. Contains only incomplete members. Contains both complete and incomplete members. Members cannot be static. Only complete members can be static. This can be OOPs tricky interview questions, where the interview is not asking to list the differences between generic functions but rather is pitting two different tasks together.  39. What is a final variable? A final variable means a variable whose value doesn’t change. 40. What is meant by an exception? An exception is an event raised during a program execution caused by undesirable input or a condition that prevents further processing. An exception causes an interruption in the program’s normal execution and must be handled via exception handling logic to avoid the program’s termination.  A run-time error in the program causes it. It is an event that occurs during the execution of a program. It is identified as an event which disrupts the normal operation/ flow of the program’s instructions. There are various advantages attached to the exception-handling, such as maintaining the proper and normal flow of the program. It does so by separating the error-prone code from the normal code. Moreover, clarifying the code and removing any errors increases the readability of the code altogether. 41. Define exception handling Exception handling refers to the mechanism used for handling the exceptions raised during program execution. It allows for the graceful handling of undesirable results. 42. Is an error basically the same as an exception? An error means a problem that the program should not catch while the exception implies a condition that should be caught by the program. 43. What is a try-catch block? A try-catch block is used for exception handling. The set of statements that may cause a potential error is enclosed in a try block. When an exception is raised, it is caught by the catch block. The logic to handle an exception is placed inside the catch block. 44. What is a finally block? A ‘finally’ block is used for executing essential statements such as to free the memory, close files, or database connections, even if an exception occurs. The finally block always runs.  Features of a finally block- It is used to execute an important code. It is always executed whether the exception is handled or not. It should be the last block of execution. It contains all the important and crucial statements, whether the exception happens or not.  45. What is the method ‘finalize’ used for? The finalize method is called to free the unused resources before the garbage collector gets initiated.  46. What is Garbage Collection, and how does it work? Garbage collection is the ability of the programming language to perform automatic memory management. It automatically frees up the memory by removing the objects that are no longer required. 47. Should you always use Object-oriented programming? Are there any limitations of Object-oriented programming? This is one of the advanced OOPs interview questions and answers. Though object-oriented programming offers many advantages, it has some disadvantages too.  Know this when preparing for answers for  OOPs concepts interview questions for freshers. First of all, it has a steep learning curve compared to procedural programming. It may take a while to get used to thinking and programming in terms of objects for many people. Secondly, it may take more experience to design a program in terms of objects. Using OOPs concepts for smaller programming tasks may not be efficient. 48. What are the important Object Oriented Programming languages? Some of those programming languages are: – Java Known for its platform independence, extensive libraries, and versatility in applications like web, mobile, and enterprise systems. C++ Offers high-performance capabilities and advanced features and is used for system-level programming, gaming, and resource-intensive applications. C# (C-sharp) Integral to Windows development, focuses on productivity, and seamlessly integrates with Microsoft technologies. Python While not exclusively OOP, it supports OOP paradigms known for simplicity, readability, and versatile applications. Ruby Renowned for its elegant syntax and powers of web applications, particularly through the Ruby on Rails framework. Swift Designed by Apple, emphasizes safety and performance, commonly used for iOS and macOS app development. Kotlin Adopted for Android app development, modernizes Java with concise syntax and advanced features. JavaScript Primarily for web development, it supports OOP through prototype-based inheritance, widely used in frontend and backend development. PHP Mainly used for web scripting, has evolved to include OOP features, integral for server-side web applications. These languages embrace OOP principles, offering encapsulation, inheritance, and polymorphism, enabling developers to build well-structured, maintainable, and scalable software solutions across various domains. 49. What are the limitations of OOPs? Object-Oriented Programming (OOP) brings numerous benefits but also has limitations that developers should be aware of. Here are the limitations presented in bullet points: Complexity OOP can lead to complex and intricate code structures, especially in larger projects, making it harder to understand, maintain, and debug. Performance Overhead The abstraction and encapsulation layers in OOP can introduce performance overhead due to additional function calls and memory allocation, impacting execution speed in performance-critical applications. Learning Curve OOP concepts like inheritance, polymorphism, and design patterns might have a steep learning curve for newcomers, potentially slowing development. Overhead in Small Projects For small-scale projects, the overhead of implementing full OOP principles might outweigh the benefits, resulting in unnecessary complexity. Limited Hardware Utilization OOP’s focus on encapsulation might hinder direct control over hardware, crucial in systems programming and certain performance-sensitive applications. Not Ideal for All Domains Some domains, like real-time systems or low-level programming, require precise control over memory and resources, which might conflict with the abstraction layers of OOP. Versioning and Compatibility Inheritance and class hierarchies can make versioning and backward compatibility challenging, potentially leading to maintenance difficulties. Verbose Syntax OOP languages can sometimes lead to verbose code, making it harder to express certain concepts succinctly. Performance in Concurrency OOP might face challenges in concurrent and parallel programming, as managing shared state and synchronization can be complex. Understanding these limitations helps developers make informed decisions about whether to adopt OOP or explore alternative programming paradigms based on the specific requirements of their projects. 50. How does C++ programming language support Polymorphism? C++ supports polymorphism through its feature of “virtual functions” and “function overriding,” which are key components of object-oriented programming. It also allows things of varied classes to be serve as objects of a ordinary base class, providing a way to achieve dynamic behavior and flexibility in code execution. Here’s how C++ achieves polymorphism: Inheritance Polymorphism often involves a base class (also known as a parent class) and derived classes (child classes) that inherit from the base class. The derived classes can have their implementations of functions, including those declared in the base class. Virtual Functions In the base class, you can declare functions as “virtual.” This indicates that derived classes can override the function. Virtual functions have a special property that enables dynamic binding (late binding) at runtime. Function Overriding In the derived classes, you can provide new implementations for virtual functions declared in the base class. The derived class achieves this using the same function signature (name and parameters). Dynamic Binding When a virtual function is called through a pointer or reference to the base class, the actual function to be executed is determined at runtime based on the object’s type. This is called dynamic binding, ensuring that the appropriate overridden function of the derived class is invoked. Check out: 15 Interview Tips to Stand Out in Your Job Interview These are some of the basic OOPS interview questions. If you still need more practice, check out these advanced object oriented interview questions that are mentioned in the list below. Top Advanced OOPs Interview Questions Here are some of the most advanced oop interview questions that you should prepare before your interview. These object oriented interview questions will keep you prepared for all types of curveballs from the recruiters.  1. What is the meaning of Constructor? Can you state some of the main features of Constructor? Ans: This is one of the most frequently asked object oriented programming interview questions. The constructor can be defined as a special method of a class that can be called automatically when the instance of a class is created. Some of the main features of a Constructor include It does not have any return type It can be overloaded It can be invoked automatically by.NET framework, thus eliminating the need to declare a constructor. 2. Can you state any one way of preventing a class from overriding in C#? Ans: We can prevent a class from overriding in C# quite easily with the help of a sealed keyboard.  3. When is it recommended to use a structure instead of a class? Ans: This is one of the frequently asked  interview questions on OOPs . Here’s how you can answer it. You should not define a structure unless the specific type has all these characteristics The instance size is smaller than 16 bytes.  It is immutable. It should not have to be boxed frequently and  It can logically represent a single value. 4. Why is the virtual keyword used in code? Ans: Virtual keyword is especially useful while defining a class since it can specify that the methods and properties of the said class can be overridden in derived classes. Conclusion  We hope our Google Analytics Questions and Answers guide for OOP interview questions is helpful. We will be updating the guide regularly to keep you updated. Object-oriented programming takes some time to master. We recommend that you practice a lot to get the fundamentals clear, which will help you answer the questions during an interview. We hope our Google Analytics Questions and Answers guide is helpful. We will be updating more OOPs concept interview questions. Object-oriented programming interview questions help prepare you well for the related interviews. The Popularity Of OOPs OOPs programming paradigm is thought of as a much better style for programming. It lets developers write code much easier, while also allowing users code handling and maintenance on an easy scale. Programmers get to sort out scenarios that are complex easily based on the OOP structure – Data Abstraction, Data Encapsulation, Data Inheritance, and Polymorphism, contributing to the overall popularity of OOPs. We would like to conclude with one trick to help you practice the concept in real life and face OOPs interview questions for freshers. Whenever you are looking at real-world objects, try to relate them to Object-oriented concepts, and try to identify their attributes, methods. Once you get the hang of this, programming will become much easier and enjoyable. If you’re interested to learn more about full-stack software development, check out upGrad & IIIT-B’s Executive PG Programme in Software Development – Specialisation in Full Stack Development which is designed for working professionals and offers 500+ hours of rigorous training, 9+ projects and assignments, IIIT-B Alumni status, practical hands-on capstone projects & job assistance with top firms.
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by Rohan Vats

04 Jul 2024

Understanding Exception Hierarchy in Java Explained
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The term ‘Exception’ is short for “exceptional event.” In Java, an Exception is essentially an event that occurs during the execution of a program and disrupts the program’s normal flow. Exceptions are unwanted and mostly unexpected, generally arising at run- or compile-time. These Exceptions must be handled to ensure the program runs in its natural flow. However, it would help to know what kinds of Exceptions are present with Java before we handle Exceptions. Through this article, I will explain various types of Exceptions in Java and the Exception Hierarchy in java.  Check out our free courses to get an edge over the competition. Exceptions Hierarchy in Java  The hierarchy of Exceptions in the Java programming language begins with the Throwable class – which comes from the Object class and is its direct subclasswhileThe Exception class presents all This Throwable class further branches into two subclasses – Error and Exception. Here’s a flowchart to understand the Java Exception hierarchy better:  The Exception class presents all the Exceptions that you might need to handle while working with the Java programming language. Some commonly known and encountered examples of such Exceptions include NullPointerException, ClassNotFoundException, IllegalArgumentException, etc.  On the other hand, the Error class takes care of more severe problems in your Java program architecture and is not taken care of within the application code. Exception hierarchy in java with examples of errors are InternalError, AssertionError, OutOfMemoryError, etc.  Check out upGrad’s Advanced Certification in Cyber Security Java has two main types of exceptions: Checked Exceptions – These are also known as compile-time exceptions.  Unchecked Exceptions – These are also known as runtime exceptions.  One important point to note at this juncture is that unchecked Exceptions are all subclasses of the RuntimeException class. We will talk more about checked and unchecked exceptions later on in this article. But before that, let’s look at essentially how Errors and Exceptions differ in their working so that there is no confusion.  Reasons why Exceptions do occur?  Consider exceptions as the unexpected guests at the party of your program’s execution — they show up uninvited due to a few common hiccups. Here’s why they might knock on your door:  Human Error: Sometimes, it’s just us. Maybe we mistype something or expect a file to be in one place when it’s in another. It happens to the best of us. Resource Issues: Programs also throw a fit when they can’t find what they need, like trying to read a file that’s gone missing or reaching out to a database that’s taking a nap. Environmental Mishaps: Occasionally, the environment where the program runs decides to act up — think of a network glitch right in the middle of a data transfer.   Bugs in the Code: And then, there are those pesky bugs. A slip in the logic or using a method incorrectly can easily ruffle the feathers of your otherwise smooth-running code. System Overload: Even systems have bad days; maybe there’s not enough memory to carry out your commands. In Java, these scenarios are neatly packed into ‘exceptions’ so you can manage them gracefully, rather than letting your program crash. It’s Java’s saying, “Heads up, something’s not right, but you can handle it!”  Errors and Exceptions in Java – How Do They Differ? The official documentation of the Java programming language refers to Errors as occurrences during your Java programming that – “indicate serious problems that a reasonable application should not try to catch.” The seriousness of Errors is clear from the way this statement is poised. Clearly, this refers to the set of problems that your program might face that is not possible for it to recover from without either refactoring the code or modifying the Java application architecture. Check out upGrad’s Advanced Certification in Blockchain  Let’s look at a Java method that is going to throw an error:  public static void print(String S) {     print(S); } In the code mentioned above, the method print() acts as a recursive method that keeps calling itself repeatedly, over and over again, until it reaches the maximum allowed size for a thread stack in Java. At that point, it exits execution with a very common – StackOverflowError, which reads something like:  Exception in thread “main” java.lang.StackOverflowError at StackOverflowErrorExample.print(StackOverflowErrorExample.java:3) As the above example shows, the method throws an example, but this error cannot be handled in the code itself. So, the program simply quits execution because the damage is irrecoverable. As a solution, the code needs to be modified.  Contrary to Errors, Exceptions indicate conditions that can be caught by a reasonable application. Exceptions in Java include issues that might occur either at the compile-time or during run time. These Exceptions happen rather frequently in all applications – especially during the testing and debugging phase. As a result, Exceptions in Java can be handled within the program itself to ensure that the code runs its natural flow.  Now, let’s talk a bit more about Exception Hierarchy in Java by looking at what checked and unchecked Exceptions are.  upGrad’s Exclusive Software Development Webinar for you – SAAS Business – What is So Different? document.createElement('video'); https://cdn.upgrad.com/blog/mausmi-ambastha.mp4 Checked and Unchecked Exceptions in Java As mentioned earlier, Exceptions in a Java program can happen either during the compile-time or during the run time. This is what gives us the two broad types of Exceptions present in Java. Here’s looking at these two exceptions in detail.  Compile-time Exceptions Exceptions that happen at the compile time are known as compile-time exceptions. These are also called checked exceptions because of the fact that you need to explicitly check them in your Java program and handle them in the code itself. Classes like InterruptedException, IOException, and more are checked exceptions.  Let’s look at a method that can handle a checked exception:  public void writeAFile() { try (BufferedWriter b_w = new BufferedWriter(new FileWriter("myFile.txt"))) {         b_w.write("Testing");     } catch (IOException ioe) {         ioe.printStackTrace();     } } As you can see, there are two statements in the above code’s try block –  Instantiating the object – BufferedWriter Using the object to write to the file Both these statements can throw IOException. IOException, being a Checked Exception, needs to be handled either by the caller or the method. In the above example, you can see the exception being handled within the method itself. Explore Our Software Development Free Courses Fundamentals of Cloud Computing JavaScript Basics from the scratch Data Structures and Algorithms Blockchain Technology React for Beginners Core Java Basics Java Node.js for Beginners Advanced JavaScript Runtime Exceptions Contrary to compile-time exceptions that are thrown during compile time, runtime or unchecked exceptions can be thrown “at any time”, which essentially means at runtime. As a result of this, methods don’t need to explicitly use catch-and-throw blocks to handle these unchecked exceptions. Some of the classes that inherit unchecked runtime exceptions include – NullPointerException, ArithmeticException, etc.  Let’s look at a piece of Java code that throws a NullPointerException unchecked Exception and that is not handled in the piece of code unlike earlier. Here it is:  public void writeToFile() { try (BufferedWriter b_w = null) {         b_w.write("Test");     } catch (IOException ioe) {         ioe.printStackTrace();     } } When you call the above method, the program will throw a NullPointerException since the BufferedWriter object is null. Here is what the exception would read like:  Exception in thread “main” java.lang.NullPointerException     at IOExceptionExample.writeToFile(IOExceptionExample.java:10)     at IOExceptionExample.main(IOExceptionExample.java:17) Explore our Popular Software Engineering Courses Master of Science in Computer Science from LJMU & IIITB Caltech CTME Cybersecurity Certificate Program Full Stack Development Bootcamp PG Program in Blockchain Executive PG Program in Full Stack Development View All our Courses Below Software Engineering Courses In-Demand Software Development Skills JavaScript Courses Core Java Courses Data Structures Courses Node.js Courses SQL Courses Full stack development Courses NFT Courses DevOps Courses Big Data Courses React.js Courses Cyber Security Courses Cloud Computing Courses Database Design Courses Python Courses Cryptocurrency Courses When to use Checked & Unchecked Exceptions In the Java universe, exceptions are like the plot twists of a story — some are anticipated, and some catch you off-guard. Understanding when to use checked and unchecked exceptions is akin to knowing when to bring an umbrella or when to brace for an unexpected downpour. Checked exceptions are gentle reminders that something might go awry, prompting you to handle them carefully. Unchecked exceptions, on the other hand, are the unforeseen glitches that usually point to a bug in your code.  In this section, we’ll unravel this concept further, aided by a sequence diagram that maps out the decision-making process, ensuring that every Java developer knows precisely which type of ‘umbrella’ to use in the face of Java’s exception ‘weather.’ Let’s prepare for all conditions — predictable or not.  Explanation of the above Sequence Diagram: The Developer starts by implementing a feature within the Java Application.  The application checks at compile time if a Checked Exception is needed, which should be used when an exception is recoverable and expected.  If a checked exception is appropriate, the Developer is prompted to handle or declare it, ensuring that the application remains robust and user-friendly.  For Unchecked Exceptions, which occur at runtime, the diagram shows that these are typically due to programming errors and do not require explicit handling by the Developer.  Instead, unchecked exceptions are used for issues that the application cannot recover from and often indicate bugs that need to be addressed in the code.  When writing Java code, it’s vital to distinguish between situations that call for checked exceptions and those that are best served by unchecked exceptions. Checked exceptions are a direct communication channel, prompting the caller to proactively handle potential issues. Unchecked exceptions, conversely, signal to the Developer that there’s an underlying issue that needs correction. This distinction not only aids in writing clear and effective code but also fosters a more intuitive and error-resilient application.  Conclusion With that, we come to the end of this blog on understanding the Exception Hierarchy in Java. Please keep in mind that this is by no means comprehensive coverage of Exceptions in Java and how to handle them. For that, I believe you should dig deeper and expose yourself to different possible Exceptions to see how they work. Knowing Exception Handling will set you up for a successful career as a full-stack developer since Exceptions form the basics of any application.  Types of exception handling in Java include: Try-Catch for handling exceptions, Finally for post-execution code, Throw to explicitly raise exceptions, and Throws to declare potential exceptions in a method. I strongly recommend you explore specialized full stack development course offered by upGrad – Executive PG Programme in Software Development – Specialisation in Full Stack Development – where you go through all the nuances of software development by focusing majorly on Full Stack development. We suggest you check out the course and probably book a seat soon!  Read our Popular Articles related to Software Development Why Learn to Code? How Learn to Code? How to Install Specific Version of NPM Package? Types of Inheritance in C++ What Should You Know?
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by Pavan Vadapalli

04 Jul 2024

33 Best Computer Science Project Ideas & Topics For Beginners [Latest 2024]
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Summary: In this article, you will learn 33 Interesting Computer Science Project Ideas & Topics For Beginners (2024). Best Computer Science Project Ideas & Topics Face detection Online auction system Evaluation of academic performance e-Authentication system Cursor movement on object motion Crime rate prediction Android battery saver system Symbol recognition Public news droid Search engine Online eBook maker Mobile wallet with merchant payment Basic Hospital Management System Real-time Weather Forecasting app Chat App News Feed App Optical Character Recognition System (OCR) Library Management System Virtual Private Network Real-time web search engine Task Management Application Advanced Reliable Real Estate Portal Image Processing by using Python Admission Enquiry Chat Bot Project Android Smart City Travelling Project Secure Online Auction Portal Project Detection of Credit Card Fraud System Real Estate Search Based on Data Mining Robotic Vehicle Controlled by Using Voice Heart Disease Prediction: Final Year Projects for CSE Student Attendance by using Fingerprint Reader Cloud Computing for Rural Banking Project Opinion Mining for Comment Sentiment Analysis Read the full article to know more. What is a Computer Science Project? A project in computer science is a structured task that requires planning, coding, and problem-solving to create a software or system. It often involves writing programs, using different technologies, and testing to ensure functionality. These projects can range from simple applications to complex software systems, helping students and professionals to develop and demonstrate their technical skills. So, here are a few mini  and major project ideas for cse for beginners: Top 33 Computer Science Project Ideas With Source Code Source: crio.doc This list of computer science project ideas for students is suited for beginners, and those just starting out with Python or Data Science in general or final year project topics for computer engineering in diploma. These computer science project ideas will get you going with all the practicalities you need to succeed in your career as a software developer. Further, if you’re looking for computer science project ideas for the final year, this list should get you going. So, without further ado, let’s jump straight into some computer science project ideas that will strengthen your base and allow you to climb up the ladder. Top Computer Science Project Ideas: Beginner and Final Year Students 1. Face detection It is of high importance and it serves various purposes in many fields. Most importantly, the technology of face detection has increased the surveillance efforts of the authorities.  Face detection coupled with the technology of biometrics and security has helped to identify people’s faces which has resulted in various processes such as starting an app, security, or guiding what the next action steps of the application would be. The technology of face detection uses facial algorithms to identify the reach of facial prints. The technology can adapt and recognize which facial features to detect and which ones to ignore. One of the best mini project ideas for cse to start experimenting with your hands-on computer science projects for students is face detection software. This project focuses on building face detection software using the OpenCV library. The face detection program will be modeled in a way that it can detect faces in live stream videos from a webcam or video files stored in a PC’s local storage. The software uses pre-trained XML classifiers to detect faces in real time and track them. You can also use different classifiers to identify various objects through this detection program. To run this program, you need to install the OpenCV library on your local machine. Also, it would be best if you created appropriate paths for the XML classifier files before executing the program.  Source Code: Face Detection Also, check out our free react js online courses 2. Basic Hospital Management System The hospital management system is useful for managing resources and operating the hospital effectively. The hospital management infrastructure is useful for managing patient details, infrastructure management, drugs management, dispensary, etc. The staff trusts the hospital management application to run the day-to-day functions. Thus, technology becomes of high importance. The health management system facilities in better decision-making and revenue management. Apart from serving the patients, the hospitals have to take care of the revenue for acquiring talented doctors and providing decent health facilities.  This is a programming and database management app designed as a centralized system for hospitals to digitize and handle huge data ( like patient details, appointments made, results of lab tests, patient diagnosis information, etc.). This is one of the best computer science project ideas that can add value to your resume.   Developing a hospital management system is easy for beginners. A functional and effective hospital management system can be created with a basic knowledge of HTML and CSS.  The system should be able to receive new entries, store them safely, and enable hospital staff and system administrators to access, and use the data.  You should develop the hospital management system in a way that should assign a unique ID to each patient registered at the hospital. The system must include all necessary details of hospital staff besides patients in a local database.   When the data increases, it becomes challenging for the staff and hospital administrator to find the required data of a particular patient or staff. So, it is important to have search functionality to make the search process across thousands of data much easier.   While it is enough to use the local storage to run the hospital management, you can also use a cloud database. Both of them have their pros and cons. You must leverage the advantages and disadvantages to make computer science topics more challenging and interesting. Check out this Github project for reference. Source Code: Hospital Management System 3. News Feed App News feed applications make good examples of project ideas for computer science. Further, you will be equipped with knowledge of database and newsfeed algorithms as well as designing user interfaces. It is worth noting that you should start by collecting data from different sources which will help you to have a deep knowledge and project ideas for computer science, like topics including top 10 projects in computer science, projects for cse and mini projects for computer science students. There are many ways of getting this information related to major project topics for computer engineering, such as web scraping techniques, accessing APIs and even RSS feeds or any other computer science project topics for final year Once you get a dataset, you should process it and turn it to be readable for your app. Thus, some elementary NLP skills are required here. At last, an algorithm must choose which stories like, be project ideas for computer engineering the news feed will show out of all available information. For example, this can be determined based on topics such as user preferences, popularity, and the newest updates. Working as a news feed application will help you learn crucial skills needed in every software developer. Source Code: News Feed App 4. Chat App It is an interesting app that involves application designing & development, multi-thread processing, socket programming, and networking.   Such computer science topics aim at developing a chat application to facilitate instant messaging. Users can create personal accounts in the chat app from where messages can be sent to other chat app users. Check out this Github project for reference. 5. Task Management Application One of the popular project ideas for computer science is an application for task management. This application will allow users to develop their tasks and schedules, assign deadlines, and track progress. Task creation and modification can also be simplified using a user-friendly interface like drag-and-drop functionality. It should have features like automatic task scheduling with reminders, interaction with email and calendar programs and sharing of tasks between users. During the programme, students will learn about database design and development, user interface design and, finally, data structures and algorithms. In the end, one should strive to create an application which is not only functional but also easy to navigate. Source Code: Task Management App 6. Library Management System Computers are often utilised in libraries for record-keeping and maintaining the collection. This has made LMS a useful tool for library staff as it serves as a result. LMSs enable a library to track and control its books, e-books, journals, etc. The systems can, therefore, double up as circulation statistics storage devices and patron file databases. An example of exciting project ideas for computer science or csp project topics, could be library management systems, simple project topics for computer science, which teach databases and information management. In addition, the process of creating an LMS can involve highly complicated operations using various kinds of advanced data arrays. In this regard, working with an LMS might be a great option through which you can improve your computer programming proficiency, in skills like design engineering project topics for computer engineering. Source Code: Library Management System 7. Admission Enquiry Chat Bot Project  The university application procedure can be pretty intimidating, especially for international students. A possible solution is to develop a chatbot that assists prospective students throughout the admission process by addressing their inquiries and furnishing details about specific programs. This initiative would simplify the navigation of the university application process, enhancing transparency regarding admission requirements. Source Code: Admission Enquiry Chatbot 8. Student Attendance by using Fingerprint Reader  Recording attendance in a classroom setting can be a laborious task, particularly in larger classes with list of projects for computer science students. As a computer science student, you have the opportunity to streamline this process by creating a fingerprint reader system that automates attendance tracking. This project entails designing and implementing software capable of reading fingerprints and subsequently comparing them to a database of students’ fingerprints. Upon a successful match, the student’s name will be automatically added to the attendance list. Source Code: Attendance with Fingerprint Management Top Computer Science Project Ideas: Intermediate Level 1. Online auction system The online auction allows the users to procure the benefits of the auction from any geographical location. The sellers can showcase their products or services to buyers across the locations. This helps in wider reachability and a huge expansion of the business.  Another useful feature of online auctions is the instant feedback feature that allows the bidders to track the price increase due to higher bidding.  The bidders or buyers from across the globe can log in at any time of the day to track or bid. This way they do not lose out on the opportunity due to different geographical timelines. In an online auction, buyers and sellers engage in transactional business, wherein buyers purchase items through price bidding. Here, the bids have a starting price and an ending time. Potential buyers who place the highest bidding price for an item are declared the winners and owners of particular items.  In this project, you will create a secure online auction system using the fraud detection method with binary classification. If a user wants to buy a product through an online auction, they must provide their identification details like PAN number, email address, license number, etc. The system will then screen the users, authenticate, and authorize them. Only authorized users can bid in the auction. The system will be designed to predict fraudulent users in the early stages, thereby eliminating the risk of online fraud and scams. These beginner-level computer science projects will help build a strong foundation for fundamental programming concepts. Source Code: Online Auction System Learn Online software development courses from the World’s top Universities. Earn Executive PG Programs, Advanced Certificate Programs, or Masters Programs to fast-track your career. Explore Our Software Development Free Courses Fundamentals of Cloud Computing JavaScript Basics from the scratch Data Structures and Algorithms Blockchain Technology React for Beginners Core Java Basics Java Node.js for Beginners Advanced JavaScript 2. Evaluation of academic performance Evaluation of academic performance allows the institutions to track the student’s performance. This not only helps in enhancing the student’s performance but also improves the teaching techniques and teacher’s performance. The teachers could chart out teaching objectives that help them in achieving those objectives. This way, the teachers can adopt the successful pedagogy and ignore those pedagogies that do not add value to the student’s performance. This is one of the most interesting mini project ideas for cse which involves the creation of an evaluation system that can analyze the academic performance of students by utilizing the fuzzy logic method. In the fuzzy logic method, you will consider three parameters, namely, attendance, internal marks, and external marks, to evaluate the final academic performance of students of an institution. The fuzzy inference system is much more accurate than conventional techniques. While developing this Computer Science project, make sure that the student information uploaded is correct (devoid of errors). Faulty data entry may lead to inaccurate results.  Source Code: Student Performance Analysis Looking to boost your job prospects in the tech industry? Discover the best online computer courses for job readiness and elevate your skills to meet the demands of today’s digital workforce. 3. e-Authentication system  There are various types of authentication systems such as OTP, password, biometrics, etc. The authentication system allows for a better user experience without having the need for multiple setups. It is also useful for tightening security. The enhanced security features pave the way for more number of users to adopt the technology. The e-authentication has seen wider adaptability. It is used to access government services, transactional processes, online platforms, and more. The users can secure their identity with the means of an e-authentication system, thus providing scope for higher security. This project focuses on building an e-Authentication system using a combination of QR code and OTP for enhanced security. The e-Authentication system is designed to avoid the hacking of accounts through shoulder surfing and misuse of login credentials. To be able to use the system, a user has to first register in the system by entering the basic registration details (name, address, zip code, etc.). Once the registration is complete, the user can access the login module to authenticate the account by entering the email id and password combination they used during registration. Then, the user can proceed to the next authentication step using either of the two options – QR (Quick Response) code or OTP (Time Password). As per the option selected by the user, the system will generate a QR Code or an OTP. While the QR code will be sent to the user’s mail id, the OTP will be sent via SMS to the registered mobile number of the user.  The system randomly generates the QR Code and OTP at the time of login. It makes the login more secure. However, to use this system, one always needs an active Internet connection. Source Code: e-Authentication System 4. Symbol recognition  This is one of the excellent computer science project ideas for beginners. The proposed project seeks to build a system that can recognize symbols inserted by the user. This symbol recognition system leverages an image recognition algorithm to process images and identify symbols. First, the system converts RGB objects into grayscale images which are then further converted into black-and-white images. During the process, image processing is applied to remove unwanted objects and environmental interference. The system further uses optical character recognition for recognizing the images with 60-80% accuracy. This is one of the interesting computer science projects.  In the system, all symbol templates will be stored in a specific directory. The size of each image is fixed to allow the easy recognition of the symbols with accuracy. The templates will remain in black-and-white form, and the system will create a dataset of these templates. When a user inputs a query image into the system, it will resize the query image, compare the resized image values against the template image values in the dataset, and finally display the result in text format. So, while the system takes inputs as images, it delivers output in a textual form. Explore our Popular Software Engineering Courses Master of Science in Computer Science from LJMU & IIITB Caltech CTME Cybersecurity Certificate Program Full Stack Development Bootcamp PG Program in Blockchain Executive PG Program in Full Stack Development View All our Courses Below Software Engineering Courses Read: Software Engineering Project Ideas  5. Public news droid There are various benefits to adopting the public news droid as one of the most effective  mini project ideas for cse, such as- Easy to navigate Instant updates  The users receive all the news, even if they are not trendy or hyped about it.  Accessible by the registered users Feature to report news if it is malicious, or irrelevant This is one of the excellent computer science projects for beginners. The public news droid is an informative software application that informs users about the trending news, occurrences, and interesting events happening in and around their locality. Thus, the idea behind creating this information system is to keep the users informed about the happenings in their vicinity. The system uses Android Studio as the front end and SQL Server as the back end.  The system involves two modules, one for the admin and one for the user. The admin monitors the accuracy and relevancy of news and information. For instance, if the admin encounters fake news or app misuse, they can take necessary action to stop the spread of such irrelevant information. On the contrary, users can view news and informative articles only of their respective localities/towns/cities, and they can add news related to any other city. Mentioning computer science projects can help your resume look much more interesting than others. To use the app, users need to register into the system to use this app and add all the necessary details. Once the registration process is successful, the user can see the latest news, refresh the app, browse for more information, add new information and upload it (within 450 words), and so on. Users can also add images and titles for the news they add.  6. Online eBook maker One of the best ideas to start experimenting with your hands-on computer science projects for students is working on an online eBook maker. This online eBook maker will allow users to design and create eBooks free of cost. The system has two modules – admin login and author login. The admin can accept requests from users (authors), check and validate their details, evaluate completed eBooks, and process the request by mailing eBooks to the authors. Users can register in the system using the author login. After filling in the necessary details, users can create new books, specify the context of books, add the title, and a number of pages, add a book cover, etc. Existing users can simply log in using their ID and password, and they can either create new books or resume editing the existing (unfinished) eBooks. Authors can keep only three incomplete eBooks at a time, of which they must complete at least one book before starting a new book.  Source Code: Online Ebook Maker 7. Mobile wallet with merchant payment There are various benefits attached to the mobile wallet, such as- Cashless payment The applications are protected with a password The QR code generation, allows the users to ensure safe transactions. The amount first gets stored to the merchant’s wallet, eventually reaching to their bank accounts. Reduces fraud detection This can be an interesting and useful computer science project ideas. As you can guess by the name, this is a QR code scanning application designed for handling and facilitating liquid cash transactions between sellers (merchants) and consumers. The aim of building this app is to provide a secure, reliable, and efficient platform for monetary transactions on both ends. Each time, the system generates a unique QR code ID, and all passwords are encrypted using AES Encryption Algorithm.  There are two parts of this application – an Android application for merchants that can scan the QR code and the other part for the consumer for generating the QR Code. The front end uses Android Studio, and the back end uses SQL Server. This system functions something like this – when merchants scan the QR code generated by the app, the desired amount is transferred into their wallet which is easily transferable into their bank accounts. As for the consumers, they need to add money to their wallets via their credit/debit cards linked to their bank accounts. They can save the card details for future use. Merchants can also change their personal and bank details. And this is the perfect idea for your next computer science project! Source Code: Mobile wallet Check out: Java Project Ideas & Topics 8. Cursor movement on object motion This is a project where you will design a cursor that can move through the desktop and perform actions based on hand gestures. The system’s object movement will be based on RGB (red, green, and blue) colour – it can detect RGB colour objects that will function as the mouse. It would help if you imported the Java AWT library to coordinate with the cursor. The system setting uses a webcam to track the movement of the red, green, and blue objects and based on the object movement patterns, accordingly trigger an event.  The cursor movement system will acquire a single frame from the video recorded by the webcam and flip the frame for the user to see. It converts the captured image into a binary image wherein the RGB objects will become white. The system further adds a bounding box around the object that the user can move throughout the display.  9. Real-time Weather Forecasting app This is a beginner-level web development & programming app that will serve best as a mini-project topic for CSE third-year students or a final-year project for those pursuing diplomas in Computer science. The main objective of the app is to create a web-based weather application that can provide real-time weather details (like current temperature and chances of rain) of a particular location. The app can also predict if the day will be rainy, cloudy, or sunny.   Developing a weather forecasting app is the best way to put your coding skills to the test. To create a weather forecasting app, you will need a stronghold on the basics of web development, HTML, CSS, and JavaScript. For providing the best backend performance, good knowledge of Node.js and express technologies is a must.  It is important to know how to use API calls to scoop out weather information from other websites and display relevant information in your app.   For the app’s best User Interface, you have to place an input text box in which the users can enter the location for which weather information is needed. As soon as the search button is hit, the weather forecast for the input location should pop out. Check out this Github project for reference. Unique Features for Weather Forecasting App: GPS Integration: Use GPS to tailor forecasts to user’s specific location. Real-Time Updates: Continuously update weather information. Alert Notifications: Send warnings about weather changes. Development Strategy: Start Simple: Begin with basic features for a specific region. Expand Gradually: Add features like notifications and user queries as skills improve. 10. Optical Character Recognition System (OCR) It may also be very interesting to work on project ideas for computer science of an optic character recognition system (OCR). Machine-readable text can also be produced using OCR technology from scanned text images. However, this might be a hard thing, especially considering the numerous types of fonts and layout formats that can be used especially when doing mega project topics for computer engineering. However, a well-used OCR system can be a very powerful instrument which will be helping in making projects for computer science students. Besides being environmentally friendly, such a system can aid in cutting back on paper waste within companies since it facilitates fast searching through voluminous data and enhances workplace efficiency, when it is about final year projects for computer science students, or also capstone project ideas for computer science and innovative project ideas for computer science students. The best bet for you if your aim is working on a project which has substantial real-life significance would be an OCR system. Source Code: OCR System 11. Image Processing by using Python  Python stands out as a versatile programming language applicable to a diverse array of tasks. Image processing is an area where Python excels. Leveraging Python, one can craft algorithms designed to enhance image quality or facilitate object identification within images. The potential applications of such capabilities extend to fields such as security or medicine. Source Code: Image Processing Using Python 12. Crime rate prediction There are various benefits attached to crime rate prediction, such as taking preventive measures, tracking the culprits, advanced decision-making processes, etc. The methodology allows the decision-makers to predict the crime and perform law- enforcement measures to mitigate the repercussions. This way, the stakeholders can provide satisfaction, increase their lifestyle experience and most importantly identify the negative externalities and take appropriate actions to curb them. The stakeholders can allocate the budget based on the statistic, this helps in effective resource allocation. The concerned agencies can utilize their resources to better use. The crime prediction system helps in faster justice delivery and reduces crime rates.  This is one of the most innovative mini project ideas for cse. As the name suggests, this Computer Science project involves building a prediction system that can analyze and predict the crime rate of a particular location. Naturally, the system needs to be fed with relevant data. It uses the K-means data mining algorithm to predict the crime rate. The K-means algorithm can cluster co-offenders and organized crime groups by detecting relevant crime patterns via hidden links, link prediction, and statistical analysis of crime data.  It functions somewhat like this – the admin will feed the crime data into the system. The algorithm will analyze crime data stored in a database and extract information and patterns from it. It will then collate the crime groups based on the patterns found in the dataset. The clusters will be made based on factors like where the crime took place, which people were involved in the crime, and when the crime occurred.  Source Code: Crime Prediction App 13. Android battery saver system The battery saver project is useful for the users to track the usage of the application. The users can track which of the applications are consuming the maximum energy.  This way the users can optimize their application management. The optimization of the application can limit the application usage, and this end up limiting the battery.  The battery saver in the mobile phone would also allow the users to procure the list of applications in one place, the consumption rate is also accurate.  This is of a simple computer science project yet an exciting one. The Android battery saver is designed to analyze the battery usage data from built-in classes and create a consolidated list of apps that drain the power of the Android phone. The system can also determine the battery level of the phone. In situations where the battery level is low, and numerous apps are consuming too much power, this system will trigger an alarm telling the user to force stop or close the apps that are drawing power. While the battery saver system has no backend, it uses Android Studio as the frontend. Since the system feeds on data from an Android phone, it does not need a backend framework. The primary aim of this battery saver system is to notify users of the apps that are high on power consumption, thereby allowing them to take specific actions to stop battery drainage.  Source Code: Android Battery Saver In-Demand Software Development Skills JavaScript Courses Core Java Courses Data Structures Courses Node.js Courses SQL Courses Full stack development Courses NFT Courses DevOps Courses Big Data Courses React.js Courses Cyber Security Courses Cloud Computing Courses Database Design Courses Python Courses Cryptocurrency Courses 14. Virtual Private Network Virtual Private Network makes project ideas for computer science for those who study computer science. Therefore, VPNs allow people to establish a private network connection with maximum security via the Internet.  VPNs can be effective in terms of protecting and securing data, which is done by encrypting it and transmitting it to a specific VPN server through disguised traffic. People can also use VPNs to bypass internet censorship and access blocked sites. Therefore, VPNs have become increasingly popular because of this reason. Computer science students have many options when choosing ways to set up a VPN. With some study, computer science students can create a working and user-friendly VPN. Source Code: VPN Project 15. Search engine  The search engine is highly useful, it helps in bringing the visibility of the brand, target-based ads, brand awareness, performance management, increasing website traffic, and more.  The brands can make their visibility grow by using proper keywords and using various other methodologies. Moreover, the brands can utilize the search engine to overcome the competition and grow their business.  The more people are able to see the brand, the better its authenticity would be. It will eventually result in the revenue growth of the brand.  This search engine is developed using web annotation. It is one of the trending computer science projects where when users enter specific words or phrases in a search engine, it automatically fetches the most relevant pages that contain those keywords. Web annotation makes it possible. Web annotation helps to make an application user-friendly. Thanks to web annotation, users can add, modify, and remove information from Web resources without altering the resource itself.  This project uses web annotation on pages and images. When the user enters words, names, or phrases in the system, it will fetch the information and pictures having the same annotation. Then the system displays a list of results that contain the image or content matching the user input. For this search engine, you need to use an effective algorithm to generate a query result page/search result records based on users’ queries. Source Code: Real-time Search Engine 16. Real Estate Search Based on the Data Mining  Engaging in the home buying or selling process can be protracted and intricate. Yet, as a computer science student, you possess the potential to simplify this procedure by crafting a real estate search engine employing data mining techniques. This endeavour involves gathering data from diverse sources, including MLS listings, and subsequently utilising analytical methods to discern trends and patterns. The insights derived from this information can then be utilised to assist buyers and sellers in discovering the ideal home. Source Code: Real Estate Search Based Data Mining 17. Android Smart City Travelling Project  As smart cities continue to emerge, the need for user-friendly apps facilitating efficient navigation within urban areas is on the rise. Consider creating an Android application designed to assist users in identifying the quickest route to their destinations by utilising real-time traffic data. This initiative has the potential to alleviate traffic congestion in cities, enhancing overall accessibility for individuals trying to reach their goals. Source Code: Smart City Travelling App 18. Secure Online Auction Portal Project  Online auction platforms are widely utilised for buying and selling goods over the Internet. Nonetheless, security apprehensions often arise during transactions on these websites. As a computer science student, you have the opportunity to develop a secure online auction portal that employs encryption to safeguard users’ personal information. This implementation would instil confidence in users engaging in online transactions, fostering a sense of security and potentially enhancing trust in auction websites. Source Code: Auction portal 19. Detection of Credit Card Fraud System  The surge in online shopping and transactions has led to a significant escalation in credit card fraud. Leveraging your computer science expertise, you can contribute to addressing this issue by creating a system capable of detecting fraudulent activity. These project ideas for computer science entails analysing data derived from credit card transactions and identifying patterns indicative of fraud. Once your system is developed, businesses can utilise it to prevent fraudulent transactions proactively. Source Code: Credit Card Fraud detection 20. Heart Disease Prediction Heart disease stands as a prominent global cause of mortality. Nevertheless, early detection can significantly enhance the effectiveness of treatment for many cardiac conditions. As a computer science student, you have the opportunity to create a system that forecasts the likelihood of an individual developing heart disease, drawing insights from their medical history and various risk factors. This undertaking involves collecting data from medical records and employing machine learning algorithms to construct the predictive system. Source Code: Heart Disease prediction Top Computer Science Project Ideas: Advanced Level Being a computer science student is an excellent chance for you to implement such initiatives using your knowledge and skills as project ideas for computer science. There is no limit to what one can come up with, ranging from creating new algorithms, designing applications, solving daily challenges and many more. Using these measures ensures that a company can avoid getting into unnecessary financial issues and, at the same time, improve its market value. To get you started, here are the top innovative final-year project ideas for computer science students: 1. Advanced Reliable Real Estate Portal As our world increasingly embraces digital transformation, the real estate sector is following suit by making its way into the online domain. Nevertheless, numerous obstacles persist in the online property buying and selling process. Authenticating the precision of listings poses a challenge, and there is frequently a shortage of transparency concerning associated fees. As one of the best project ideas for computer science student, there lies an opportunity to develop a real estate portal that enhances reliability and transparency, facilitating seamless connections between buyers and sellers. This endeavor has the potential to transform the conventional methods of property transactions, streamlining the process and making it more efficient. Source Code: Real Estate Portal 2. Real-time web search engine A good computer science project would be real-time online search engines. Such an endeavour aims at constructing a relevant search engine for accessing the contents of the World Wide Web (WWW) on a real-time basis. It would involve a large crew of computer science experts. Nevertheless, they will reap tremendous gains. Such a search engine would be of great importance to all users of the Internet. This is very encouraging for this company and their developers as well. This makes search engines in real-time a good candidate for a challenging CS project that matters. Source Code: Real-time Search Engine 3. Robotic Vehicle Controlled by Using Voice  Given the growing prevalence of voice-controlled devices, the development of voice-controlled robotic vehicles has garnered considerable attention. Encouraging computer science students to undertake such project ideas for computer science can contribute to advancing this technology. This involves creating a system where a robotic vehicle can be controlled through voice commands. The project entails designing and implementing software capable of interpreting voice commands and converting them into executable actions for the robotic vehicle. Source Code: Voice Controlled robot 4. Cloud Computing for Rural Banking Project  The objective of this initiative is to establish a streamlined and secure banking system for rural areas by leveraging cloud computing technology. The project encompasses the creation of a web-based application enabling users to access their accounts and conduct transactions online. Hosted on a remote server, the application will be reachable from any location with an internet connection. Additionally, the project will involve crafting a mobile app that allows users to manage their accounts conveniently on their smartphones. 5. Opinion Mining for Comment Sentiment Analysis  These project ideas for computer science entails the creation of a system capable of autonomously analysing the sentiment expressed in comments across online platforms, including news articles, blog posts, and social media. Utilising natural language processing techniques, the system will discern the sentiment of each comment and generate a corresponding report. Its application extends to monitoring public opinion on diverse topics and issues. Source Code: Banking System Tips For Beginners To Make Computer Science Projects More Innovative and Interesting: While designing a computer science project, adopting creativity and making it more innovative may offer a rewarding experience for beginners. This may also draw significant attention to their capability and help them make a statement. Here are some tips that will assist beginners in infusing innovation into their mini project ideas for computer science projects. Explore More On Your Interests: As the choice of the topic is one of the most important aspects for a beginner, it is essential to choose topics and ideas that genuinely interest an individual. Passion for a particular subject will drive your curiosity and boost motivation resulting in more innovative ideas. Conduct Through Research: Once you have chosen the topic, consider conducting in-depth research for securing a deep understanding of the existing technologies, solutions, and best practices for the project. This will help you to get significant insights into what has already been attempted before and how you can design a new approach to make it interesting.  Ideate And Brainstorm: Random thoughts sometimes form the basis of the development of an innovative idea. Therefore take out some time for brainstorming and pen down all your random thoughts. This will lead you towards more creative thinking and making new innovations. Put Emphasis On Practical Solutions: Look for ways to address the challenges in the real world as a computer science project dealing with practical solutions would be more valued and create an impact. Take Baby Steps: For beginners to make a topic more interesting, the best idea would be to adapt bay steps. Begin with a scope that seems manageable at first and expand on it later. Focusing on solving specific problems first, along with the implementation of particular features efficiently, would help in gaining confidence and skills. After this, one may expand more to enhance the quality of the project and make it more innovative. Consider Collaboration With Others: Teamwork often leads to innovative ideas and solutions. Entering into a collaboration with fellow beginners or individuals who have gained considerable experience may often give rise to fresh perspectives and diverse project ideas.  Stay Updated With Market Trends: Incorporation of the latest trends and advances in computer science projects will undoubtedly make it more interesting. Therefore it deems necessary to ensure acquaintance with the latest trends and advances in the oeuvre of computer science. Following blogs of the particular industry, exploring new technologies that are making waves as well as attending webinars may help one to remain updated. Design for User Experience: While developing the project, consider the user experience. A user-centric design, smooth navigation, and intuitive interface prove effective in enhancing the overall appeal of the project, retaining a sense of innovation. Make Use Of Creative Visualisation: If the project includes the representation of data, implement creative ways to visualize them. Unique visualization techniques can make your project unique and enhance comprehension of data. The meaning of innovation doesn’t always necessarily mean the creation of something entirely new. It may also encompass finding unique ways in solving a particular problem, making improvements on existing solutions, or incorporating new technologies. It is by staying curious, ensuring an open mind towards learning, and enjoying the entire procedure that you can make your computer science project more innovative and interesting as a beginner. Read our Popular Articles related to Software Development Why Learn to Code? How Learn to Code? How to Install Specific Version of NPM Package? Types of Inheritance in C++ What Should You Know? upGrad’s Exclusive Software Webinar for you – Panel discussion on career progress in the IT industry document.createElement('video'); https://cdn.upgrad.com/blog/panel-discussion-on-career-progressing-in-it-industry.mp4 Our learners also read: Java free online courses! Simple Computer Science Project Ideas for College Students Computer Science skills are a highly sought-after skillset in IT/ITeS and STEM-related job roles. Some of the most coveted Computer Science skills in the modern industry include coding, computation, data processing, network information security, web architecture, algorithm design, storage systems & management, and mobile development. Learning these skills opens up new and exciting employment opportunities in the present and future workforce. So, if you are a computer science beginner, the best thing you can do is work on some real-time computer science project ideas. Relevant projects not only improve your practical knowledge but also improves your resume. To gain more weight, consider our free courses developed to increase your skills in a short duration. Check Out upGrad’s Full Stack Development Bootcamp We, here at upGrad, believe in a practical approach as theoretical knowledge alone won’t be of help in a real-time work environment. In this article, we will be exploring some interesting computer science project ideas which beginners can work on to put their Python knowledge to the test. In this article, you will find top computer science project ideas for beginners and mini-project topics for CSE 3rd year to get hands-on experience. But first, let’s address the more pertinent question that must be lurking in your mind: why build computer science projects? When it comes to careers in software development, it is a must for aspiring developers to work on their own projects. Developing real-world projects is the best way to hone your skills and materialize your theoretical knowledge into practical experience. But if you want to step up your game and learn real-life industry projects, assignments and case studies check out our Advanced Certificate Programme in DevOps where you can showcase your expertise and skills to potential employers using an e-portfolio. You will need to acquaint yourself with new tools and technologies while working on a computer science project. The more you learn about cutting-edge development tools, environments, and libraries, the broader will be your scope for experimentation with your projects. The more you experiment with different computer science project ideas, and mini-project topics for CSE 3rd year, the more knowledge you gain. Computer Science study encompasses programming, design, analysis, and theory. Hence, Computer Science project ideas involve designing and developing various application-based software products and solutions. So, if you wish to know about a few exciting Computer Science project ideas, this article is just what you need! But, if you want to accomplish more, and gain superiority, consider pursuing our Advanced Certificate Programme in Cyber Security designed for working professionals and provides 1:1 high-performance coaching. Traditionally, different specialization fields opted for a theoretical and instructions-oriented approach. However, today, most job roles demand professionals who have hands-on industry experience. Computer Science is one such discipline where academic learning does not suffice – students need to undertake practical training through real-world Computer Science projects and assignments. It aims to impart students with practical knowledge of operating computer systems.  Wrapping up These are some cool mini project ideas for cse that you can toy with! Once you finish with these simple computer science projects, and final year project topics for computer engineering in diploma, I suggest you go back, learn a few more concepts and then try the intermediate projects. When you feel confident, you can then tackle advanced projects. If you wish to improve your python skills, you need to get your hands on these computer science project ideas. Working on real-world projects allows you to apply your knowledge and skills to practice. Also, if you can create a few of these Computer Science projects, you can add them to your resume – it will definitely help you to stand out among the crowd. I hope you will learn a lot while working on these computer science projects. If you’re interested to learn more about Java, and full-stack software development, check out upGrad & IIIT-B’s Executive PG Programme in Software Development – Specialisation in Full Stack Development which is designed for working professionals and offers 500+ hours of rigorous training, 9+ projects, and assignments, IIIT-B Alumni status, practical hands-on capstone projects & job assistance with top firms. FAQ
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by Pavan Vadapalli

03 Jul 2024

Loose Coupling vs Tight Coupling in Java: Difference Between Loose Coupling & Tight Coupling
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In this article, I aim to provide a profound understanding of coupling in Java, shedding light on its various types through real-world examples, including the critical distinction between Loose Coupling vs Tight Coupling in Java. As someone who has explored the intricacies of object-oriented programming in Java, I’m thrilled to share insights that can guide fellow professionals aspiring to venture into this dynamic field. So, let’s embark on this journey together and unravel the nuances of coupling in the fascinating world of the Java language. Check out our free courses related to software development. What is Coupling in Java? Coupling is nothing but the dependency of one class on the other. If one object in a code uses the other object in the program, it is called loose coupling in Java. In coupling, two classes or objects collaborate and work with each other to complete a pre-defined task. It simply means that one element requires another element to complete a function. It is known as collaboration when one class calls the logic of the other class. Check out upGrad: Advanced Certification in DevOps What are the Types of Coupling? Coupling in Java is of two types. 1) Loose Coupling in Java “What is loose coupling in Java?” Loose coupling in Java refers to a scenario where two classes, modules, or components have minimal dependencies on each other. It signifies that these classes are independent, with one class knowing only what the other exposes through its interfaces. In Java, loose coupling ensures that objects can be used externally when needed, promoting flexibility and easier maintenance in software development. Check Out upGrad Java Bootcamp Here, the parent object is rarely using the object, and the object can be easily changed from external sources. Loose coupling is generally considered best because it promotes flexibility, scalability, and easier maintenance by reducing dependencies between components, allowing for independent development and modification without impacting other parts of the system. In-Demand Software Development Skills JavaScript Courses Core Java Courses Data Structures Courses Node.js Courses SQL Courses Full stack development Courses NFT Courses DevOps Courses Big Data Courses React.js Courses Cyber Security Courses Cloud Computing Courses Database Design Courses Python Courses Cryptocurrency Courses Example 1: Imagine you have created two classes, A and B, in your program. Class A is called volume, and class B evaluates the volume of a cylinder. If you change class A volume, then you are not forced to change class B. This is called loose coupling in Java. When class A requires changes in class B, then you have tight coupling. Code package loosecoupling;  class Volume {    public static void main(String args[]) {         Cylinder b = new Cylinder(25, 25, 25);            System.out.println(b.getVolume());    } } final class Cylinder {     private int volume;     Cylinder(int length, int width, int height) {              this.volume = length * width * height;     }     public int getVolume() {              return volume;     } }   Explanation: In the above example, class A and class B are loosely coupled. Our learners also read: Learn java free! Example 2 import java.io.IOException; interface Food {    public void display(); } class Italian {   Food s;    public Italian(Food s){    this.s = s;    }    public void display(){       System.out.println("Italian");       s.display();    } } class Chinese implements Food {    public Chinese(){}    public void display(){       System.out.println("Chinese");    } } class Mexican implements Food {    public Mexican(){}    public void display(){       System.out.println("Mexican");    } } public class Test {    public static void main(String args[]) throws IOException {    Food b = new Chinese();    Food c = new Mexican();    Italian a = new Italian(b);       //a.display() will print Italian and Chinese       a.display();    Italian a1 = new Italian(c);       //a.display() will print Italian and Mexican       a1.display();    } }   Output Italian Chinese Italian Mexican Explanation: In the above example, all three classes are loosely coupled. It simply means that you can use the food interface to provide services by injecting any of the implemented services. Get Software Engineering degrees online from the World’s top Universities. Earn Executive PG Programs, Advanced Certificate Programs, or Masters Programs to fast-track your career. upGrad’s Exclusive Software and Tech Webinar for you – SAAS Business – What is So Different? document.createElement('video'); https://cdn.upgrad.com/blog/mausmi-ambastha.mp4 Tight Coupling When two classes are highly dependent on each other, it is called tight coupling. It occurs when a class takes too many responsibilities or where a change in one class requires changes in the other class. In tight coupling, an object (parent object) creates another object (child object) for its usage. If the parent object knows more about how the child object was implemented, we can say that the parent and child object are tightly coupled. Example: Imagine you have created two classes A and B, in your program. Class A is called volume, and class B evaluates the volume of a cylinder. If you make any changes in the volume, then the same changes will reflect in class B. Hence, we can say both the classes are highly dependent on each other and are tightly coupled. Code package tightcoupling; class Volume {    public static void main(String args[]) {         Cylinder b = new Cylinder(15, 15, 15);            System.out.println(b.volume);    }}  class Cylinder {    public int volume;    Cylinder(int length, int width, int height) {            this.volume = length * width * height;  }} Output 3375 Explanation: In the above example, class A and class B are bound together and work with each other as a team.  Loose coupling vs tight coupling in Java example refers to how classes or modules in Java interact. Loose coupling allows classes to interact through interfaces or abstract contracts, promoting flexibility and independent development. Tight coupling occurs when classes directly reference each other’s concrete implementations, increasing dependencies and making the code harder to change or maintain. Differences Between Loose Coupling and Tight Coupling The following table lists the differences between loose coupling and tight coupling. Parameters  Loose Coupling  Tight Coupling  Objects Independence  Objects are independent of each other.  One object is dependent on the other object to complete a task.  Testability  Better testability.  Testability is not as great as loose coupling in Java.  Communication Style  Asynchronous communication.  Synchronous communication.  Coordination  Less coordination. Swapping code between two classes is not easy.  Provides better coordination. You can easily swap code between two objects.  Concept of Interface  No concept of interface.  Follows GOF principles to interface.  Information Flow  Less information flows.  More information flows.  Change Capability  Highly changeable.  It does not have the change capability.  Learn Java Tutorials Java Tutorials Java Classes and Objects Java 8 features Operators in Java Static Keyword In Java Switch Case In Java Packages in Java For Loop in Java Thread Lifecycle In Java OOP vs Functional vs Procedural Instance variables in Java Loops in Java Identifiers in Java Java Frameworks String Comparison in Java charAt() in Java View All Java Tutorials Check out all the Trending Java Tutorial Topics in 2024. Conclusion In simple terms, choosing loose coupling over tight coupling in Java programming is a wise move. It brings significant advantages like flexibility, easier code reuse, and smooth change adaptability. With independent classes, modifying the code becomes a straightforward process, making testing more efficient.  For those eager to further explore the Software Development field, I strongly recommend to check out Master of Science in Computer Science. Drawing from my own experience, this program is tailored for working professionals, offering a unique blend of 12+ hands-on projects, personalized mentorship from industry experts, and a comprehensive curriculum with over 500 hours of immersive learning. It’s not just a course; it’s a transformative journey that elevates your skills. Dive into the world of loose coupling vs tight coupling in Java and unlock endless possibilities with a Master of Science in Computer Science from LJMU. 
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by Rohan Vats

02 Jul 2024

Top 58 Coding Interview Questions & Answers 2024 [For Freshers & Experienced]
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In coding interviews, a solid understanding of fundamental data structures like arrays, binary trees, hash tables, and linked lists is crucial. Combine that with a good grasp of essential algorithms and proficiency in programming languages such as Java, and you’ve got a recipe for success in tackling any technical challenge that comes your way. But theory can only take you so far; it’s practice that really hones your skills. By diving into coding problems headfirst and working through them tirelessly, you build the confidence and expertise needed to excel.   That’s why I always advocate for continuous learning and keeping up with the latest developments. You can check out free courses offered by upGrad in Management, Data Science, Machine Learning, Digital Marketing, and Technology.     With some dedication, practice, and the right resources, you’ll be all set to crush those coding interviews and show off your skills in the competitive world of 2024. In this article, I’ll walk you through 50+ of those questions & answers (both for freshers and experienced individuals) setting you up for success. Let’s get started!  Read more to know coding questions for interview with answers in details. Good foundations of data structures such as arrays, binary trees, hash tables, and linked lists are essential. You must be aware of essential algorithms, and methods. And have a good hold over programming languages such as Java, especially if you are applying for programming jobs. You can learn the answers to important coding questions for beginners, like “Explain OOP concepts” or “What is recursion?”, by exploring interview solutions. Practicing these extensively is highly recommended. You can also check out our free courses offered by upGrad in Management, Data Science, Machine Learning, Digital Marketing, and Technology.  Coding Interview Questions and Answers for Freshers If you are a fresher who is trying to enter into a career in software development, then we have prepared a set of 25 programming questions for freshers to ace the first interview of your career. 1.What is Object-Oriented Programming (OOPS)?  Object-Oriented Programming (OOPS) is a programming paradigm that revolves around the concept of objects. Objects encapsulate data and behaviors, and classes serve as blueprints for creating these objects. OOPS emphasizes key principles such as encapsulation, inheritance, polymorphism, and abstraction. Encapsulation involves bundling data and methods within a class, while inheritance enables a class to inherit properties from another class. Polymorphism allows objects of different types to be treated as a common type, promoting flexibility in code design. Abstraction simplifies complex systems by modeling classes based on essential properties and behaviors.  2.What are Classes and Functions?  In OOPS, classes are blueprint templates defining the structure and behavior of objects. They encapsulate data and methods to operate on that data. Functions within classes, known as methods, represent the behaviors of objects. Methods define the actions an object can perform, promoting code modularity and reusability.  3.Explain Inheritance with respect to Object-Oriented Programming?  Inheritance is a crucial Object-oriented programming System (OOPS) concept where a new class inherits properties and behaviors from an existing class. This promotes code reuse, as the new class (subclass) can leverage the attributes of the existing class (superclass). Inheritance establishes an “is-a” relationship between classes, enhancing the organization and extensibility of code.  4.Explain Polymorphism with respect to Object-Oriented Programming?  Polymorphism in OOPS allows objects of different types to be treated as objects of a common type. It is achieved through method overloading and overriding. Method overloading involves defining multiple methods with the same name but different parameters, while method overriding allows a subclass to provide a specific implementation of a method defined in its superclass. Polymorphism enhances code flexibility and adaptability.  5.What are Public, Private, and Static Classes?  Public Class: A class declared as public can be accessed from any other class. It provides visibility to classes across the entire program.   Private Class: In Java, classes cannot be explicitly declared as private. However, class members (fields and methods) can be private, restricting access to within the class itself.  Static Class: In Java, classes cannot be declared as static. However, static nested classes exist, associated with the outer class rather than an instance. They are often used for grouping related functionality.  6.What is Debugging?  Debugging is the systematic process of identifying and resolving errors or bugs in a program. It involves using debugging tools, setting breakpoints, and stepping through code to analyze its behavior. Debugging helps programmers understand the flow of their code, identify logical or syntactical errors, and ensure the program operates as intended. It is an essential skill in software development for maintaining code quality and improving program reliability.  7.Could you explain the Difference Between Integer and Float Data Types?  The main difference lies in their representation and precision. Integer represents whole numbers without decimals, while Float represents floating-point numbers with decimals. Integers are precise but limited to whole values, while Float allows for decimal precision, making it suitable for a broader range of numeric values.  // Declaration and Initialization of an Integer  int myInteger = 10;  // Declaration and Initialization of a Float  float myFloat = 3.14f; // Note: "f" denotes that the literal is a float   8.What is String Data Type?  String is a data type representing a sequence of characters. In Java, strings are objects of the String class. They are widely used for text manipulation and provide various methods for string operations, such as concatenation, substring extraction, and length retrieval.  // Declaration and Initialization of a String  String myString = "Hello, World!";  9.What is Array Data Type?  An array is a data type that stores elements of the same type in contiguous memory locations. It allows efficient access using indices. Arrays provide a structured way to organize and manipulate collections of data, making them fundamental for many algorithms and data structures.  // Declaration and Initialization of an Array  int[] myArray = {1, 2, 3, 4, 5};  10.Explain Boolean Data Type.  Boolean is a data type representing binary values, typically true or false. It is crucial for logical operations and decision-making in programming. Boolean data types are employed in conditions, loops, and comparisons, playing a fundamental role in control flow within programs.  // Declaration and Initialization of a Boolean  boolean isJavaFun = true;  11.Explain the for loop and while loop in Java.       – For Loop: Executes a block of code repeatedly for a specified number of iterations. The loop consists of an initialization statement, a condition, and an iteration statement.            for (int i = 0; i < 5; i++) {             // Code to be executed         }         `       – While Loop: Repeatedly executes a block of code as long as a specified condition is true.        int i = 0;         while (i < 5) {             // Code to be executed             i++;         }  12.Explain conditional operators.  Conditional operators (ternary operators) are shorthand for the if-else statement. They evaluate a boolean expression and return one of two values based on whether the expression is true or false.  int result = (condition) ? valueIfTrue : valueIfFalse;  13.Explain if and else statements.  The “if” statement is used to execute a block of code if a specified condition is true. The “else” statement is optional and is executed if the “if” condition is false.               if (condition) {             // Code to be executed if the condition is true         } else {             // Code to be executed if the condition is false         }  14.Write a code to iterate over the array and calculate the total sum.          int[] numbers = {1, 2, 3, 4, 5};         int sum = 0;         for (int num : numbers) {             sum += num;         }         System.out.println("Total Sum: " + sum);  15.Write a code to reverse a string.        String original = "Hello";     char[] charArray = original.toCharArray();     int start = 0;     int end = charArray.length - 1;     while (start < end) {         char temp = charArray[start];         charArray[start] = charArray[end];         charArray[end] = temp;         start++;         end--;     }     String reversed = new String(charArray);     System.out.println("Reversed String: " + reversed);  16.How do you reverse a string?     String original = "Hello";     char[] charArray = original.toCharArray();     int start = 0;     int end = charArray.length - 1;     while (start < end) {         char temp = charArray[start];         charArray[start] = charArray[end];         charArray[end] = temp;         start++;         end--;     }     String reversed = new String(charArray);     System.out.println("Reversed String: " + reversed);  17.How can you check whether a string is a palindrome or not?        String str = "level";     char[] charArray = str.toCharArray();     int start = 0;     int end = charArray.length - 1;     boolean isPalindrome = true;     while (start < end) {         if (charArray[start] != charArray[end]) {             isPalindrome = false;             break;         }         start++;         end--;     }     System.out.println("Is Palindrome: " + isPalindrome);  18.How can you compute the number of numerals in a string?         String str = "Hello123";     int digitCount = 0;     for (int i = 0; i < str.length(); i++) {         char ch = str.charAt(i);         if (ch >= '0' && ch <= '9') {             digitCount++;         }     }     System.out.println("Number of Numerals: " + digitCount);  19.How do you find the count for the occurrence of a particular character in a string?       String str = "programming";     char targetChar = 'g';     int charCount = 0;     for (int i = 0; i < str.length(); i++) {         if (str.charAt(i) == targetChar) {             charCount++;         }     }     System.out.println("Count of '" + targetChar + "': " + charCount);  20.How do you find the non-matching characters in a string?     String str1 = "apple";     String str2 = "orange";     StringBuilder nonMatching = new StringBuilder();     for (int i = 0; i < Math.min(str1.length(), str2.length()); i++) {         if (str1.charAt(i) != str2.charAt(i)) {             nonMatching.append(str1.charAt(i));         }     }     System.out.println("Non-Matching Characters: " + nonMatching.toString());  21.How do you find out if the two given strings are anagrams?     String str1 = "listen";     String str2 = "silent";     char[] charArray1 = str1.toCharArray();     char[] charArray2 = str2.toCharArray();     Arrays.sort(charArray1);     Arrays.sort(charArray2);     boolean areAnagrams = Arrays.equals(charArray1, charArray2);     System.out.println("Are Anagrams: " + areAnagrams);  22. How do you calculate the number of vowels and consonants in a string?        String str = "hello";     int vowelCount = 0;     int consonantCount = 0;     for (int i = 0; i < str.length(); i++) {         char ch = Character.toLowerCase(str.charAt(i));         if (ch == 'a' || ch == 'e' || ch == 'i' || ch == 'o' || ch == 'u') {             vowelCount++;         } else if (ch >= 'a' && ch <= 'z') {             consonantCount++;         }     }     System.out.println("Vowel Count: " + vowelCount);    System.out.println("Consonant Count: " + consonantCount); 23. How do you reverse an array?        int[] arr = {1, 2, 3, 4, 5};     int start = 0;     int end = arr.length - 1;     while (start < end) {         int temp = arr[start];         arr[start] = arr[end];         arr[end] = temp;         start++;         end--;     }  24. How do you find the maximum element in an array?     int[] arr = {5, 3, 9, 2, 7};     int max = arr[0];     for (int i = 1; i < arr.length; i++) {         if (arr[i] > max) {             max = arr[i];         }     }    System.out.println("Maximum Element: " + max); 25.How do you find the average of numbers in a list?     List<Integer> numbers = Arrays.asList(2, 4, 6, 8, 10);     int sum = 0;     for (int num : numbers) {         sum += num;     }     double average = (double) sum / numbers.size();  System.out.println("Average: " + average);  26. How can you remove duplicates from arrays? This is one of the important basic coding questions for interview. To answer, you can mention two processes broadly, either by using a temporary array or a separate index. To remove duplicates, the array must be sorted. The process of calling Arrays. sort (arr) method can be used.  Also, you must use the LinkedHashSet (Set Interface) to retain the original insertion order of the elements into the set. You must use loops or recursion functions to solve these coding interview questions. The main factor we must remember when dealing with arrays of coding questions asked in interview is not the elements with duplicates. The main problem here is removing the duplicates instead. Arrays are static data structures that are of fixed length, thus not possible to be altered. So, to delete elements from arrays, you need to create new arrays and duplicate the content into these new arrays. Check out Cybersecurity course to upskill yourself and gain an edge. First, you must convert the arrays into Arraylists and then create LinkedHashSets from these ArrayLists. If input arrays contain a larger number of duplicates then it can result in multiple temporary arrays, thus increasing the cost of importing the content. This restriction enforces that we approach this problem in a manner that requires less memory and processing power. We must remove the duplicates but not copy them into the resulting arrays, thus not deleting the duplicates entirely but simply replacing them with 0 as the default value. Source Our learners also read: Learn java online free! Explore our Popular Software Engineering Courses Master of Science in Computer Science from LJMU & IIITB Caltech CTME Cybersecurity Certificate Program Full Stack Development Bootcamp PG Program in Blockchain Executive PG Program in Full Stack Development View All our Courses Below Software Engineering Courses 27.How can we check if a number is a prime number? A prime number is a number greater than 1 and divisible by itself. This is one of the most common coding interview questions that involve finding out if the given number is a prime number or not. These kinds of programs are the foundations of algorithmic thinking as we must come up with solutions that are based on the fact that prime numbers are all natural numbers that cannot be divided by positive numbers other than 1. We must write code to create loops that check each number starting from 1 to the target number to see if the target number is divisible by any other positive number other than itself or 1. This function will lead us to the solution. When checking for a number that is especially large, then we can simply check till the square root of N, N being the target number. There is no need to check till N in the case of an eligible square root. If the number is not divisible by 2, there is no need to check if it is divisible by other even numbers, thus decreasing the time required to find the solution. This is an optimized version of the solution where analysing the number before writing the solution comes in handy.  If this coding round questions for freshers is asked during c programming interview questions, then mention  can be made in terms that: “ In order to check the status if a number is a prime number or not in C++ then the input should be taken from the user to check if a number is a prime number or not.” Source Also, visit upGrad’s Degree Counselling page for all undergraduate and postgraduate programs. 28. How can you check if strings contain only digits? If you wish to write regular expressions for checking if strings are only numbers or if they contain non-digit characters, you must first get comfortable with using character sets in Java regular expressions. Programming languages such as Java support regular expressions with the help of java.util.regex.Matcher class and java.util.regex.Pattern. Java.util.regex is a dedicated package for this purpose. In order to validate the existence of only numbers using regular expressions, we can use code to analyse if strings contain a raw integer. We will check if the string contains only digits within 0 – 9. Even if the string contains digits but also other characters, it is not a simple numeric string. Regular expressions only check for integer numbers and do not consider dot characters (.), thus, making decimal numbers and floating points fail the test. Also, to answer coding round questions for freshers, the function of isdigit() can be used if a string contains only a digit. It returns true for all the characters which contain digits. Explore Our Software Development Free Courses Fundamentals of Cloud Computing JavaScript Basics from the scratch Data Structures and Algorithms Blockchain Technology React for Beginners Core Java Basics Java Node.js for Beginners Advanced JavaScript 29.How can you replace or remove characters from strings?  Suppose we have a string, ‘Woocommerce’, and we wish to replace the letter ‘r’ with ‘n’, there are multiple methods to achieve this. String classes in Java provide multiple approaches to replace characters inside strings using CharSequence and substrings. You can easily call a replace method inside the string that will end up replacing the target character and returning the desired character as a result. Strings are immutable in programming languages such as Java. Thus, every time these operations such as removal or replacements are performed on strings, new string objects are generated by default. There are 4 overloaded methods for replacing strings using Java: replace(char oldChar, char newChar) replaceAll(String regex, String replacement) replace(CharSequence target, CharSequence replacement) replaceFirst(String regex, String replacement) CharSequence is one of the super interfaces for strings, StringBuilder and StringBuffer, allowing us to pass off any of the objects from these as arguments for this replacement method. replaceAll() ends up replacing every single match with replacement strings while replaceFirst() only replaces the first matches. All in all, all of these are powerful methodologies that accept regular expression. Java.lang.String class allows all these overloaded methods that can easily replace single characters or substrings in Java.  It is highly recommended to use replaceAll() as this replaces every occurrence of matching characters. Following this approach allows us to expect regular expression patterns, thus garnering more power. This method can also replace every comma with pipes for converting comma-separated files into pile delimited strings. However, if one wishes to only replace a single character, one can just use the replace() method that takes the old and new given character into consideration. In Python as well, a string can be replaced using stringreplace(), the correct syntax to replace is string_name. It can be written in this format- replace(old string, new string) where the old string is the recent data and the new string represents the data that will take place of the old string. Read: Java Interview Questions & Answers In-Demand Software Development Skills JavaScript Courses Core Java Courses Data Structures Courses Node.js Courses SQL Courses Full stack development Courses NFT Courses DevOps Courses Big Data Courses React.js Courses Cyber Security Courses Cloud Computing Courses Database Design Courses Python Courses Cryptocurrency Courses 30. How can you find the largest or smallest number in an array of integers? For this solution, we must code a function or method that can find the largest or smallest number from arrays that are full-fledged integers. We must first create a source file in Java using the name MaximumMinimumArrayDemo.java and copy the written code here for compilation and execution. We can use two variables that we can refer to as ‘largest’ and ‘smallest’ to store the maximum and minimum values respectively from the arrays. The smallest number can be initialised using integer.MIN_VALUE and the largest can be initialised using integer.MAX_VALUE. With every iteration of the loops that you have initiated, you can compare current numbers with ‘largest’ and ‘smallest’ and update them accordingly. Arrays do not override the toString method in Java, so you can use Arrays.toString() for printing the contents of the target arrays. You can use this static method to directly call the main function. You must then pass the random arrays through this method to check if the maximum and minimum values have been returned accurately. You can also choose to automate this testing through Unit tests in your IDE. Source Checkout: Top 4 Computer Skills to Put in Your Resume These basic programming questions and answers will serve as solid foundation to start with your interviews preparation.  Coding Interview Questions and Answers for Experienced For experienced professionals, the interviews are conducted to gauge the intermediate to advanced conceptual understanding along with logical programming questions and answers. Here are 25 such questions for experienced engineers that would help them get an idea and set the turf for their upcoming interviews.  1. How can you find the first non-repeated character in a word? To answer this interview coding questions you must first understand what must be done to promote this function. A function that accepts strings and returns the first non-repeated characters needs to be written. For example, in the word, ‘passage’, ‘p’ is the first non-repeated character or in the word, ‘turtle’, ‘u’ is the first non-repeated character. So, how do we solve this problem? We can create a table for storing the repetitions for all the characters and then select the first entries that are not repeated. Check out our Java Bootcamp designed to upskill working professionals. In order to write a code that will return the first non-repeated letters, we can use Linked Hash Map to store the character count. This HashMap follows the order of the insertion and characters are initialized in the same position as in the string. The scanned string must be iterated using Linked Hash Map to choose the required entry with the value of 1.  Another way to approach this interview coding questions is using the first Nonrepeating Char(String word). This allows the non-repeated character, which appears first, to be identified in a single pass. This approach used two storage to replace an interaction. This method stores non-repeated and repeated characters separately, and when the iteration ends, the required character is the first element in the list. There is a way to find the first non-repeated characters in Java as well, by using the indexOf() and lastIndexOf() processing method. The return of position of the first occurrence of a character in a string is supported by indexOf(). Whereas, the return of the occurrence of the last character’s position in a string is facilitated by the lastIndexOf(). Check Out upGrad Advanced Certification in DevOps upGrad’s Exclusive Software and Tech Webinar for you – SAAS Business – What is So Different? document.createElement('video'); https://cdn.upgrad.com/blog/mausmi-ambastha.mp4 2. How can you reverse the words in a target sentence without the help of library methods? This is also one of the very common most asked coding questions in interview. First, we must understand the requirement and how to fill the gap in this requirement. When faced with such questions, we must first ask the right questions. Strings are sentences of decided characters that might contain a single word or multiple words. A sentence might also be empty. For example, if we are given the sentence, ‘Programming is fun.’, we must reverse it to, ‘Fun is programming.’ effectively. We must use regular expressions in Java to divide the given strings into spaces followed by applying the reverse()method from the Collections utility class. Once you are able to divide the strings using regex’\\s’, an array of words will be returned as a result. This also takes care of the words separated using multiple spaces. As soon as the array is returned, you can then choose to create ArrayLists from these arrays followed by using the Collections.reverse()method. This reverses ArrayLists and every word will be reinitialised in the reverse order. Now, all that is left is using StringBuilder to concatenate multiple strings through ArrayList iteration. One must make sure that size is specified as StringBuilder resizing is a costly process in terms of processing power and memory. The resizing ends up creating new arrays by copying the content from the older arrays. 3.How can you append texts to files in programming languages such as Java?  To crack the most asked coding questions in interview, one needs to explain the answer elaboratively. Appending is very different compared to creating new files and writing data into the new files. In cases of appending, files already exist, and we simply need to add text at the end of the file. This is similar to log files, as they are constantly updated with the system. Log files are the perfect example of appending text as applications iteratively keep appending log details into these files. Logging frameworks are not required for this problem, but you must know how to append text into existing files. In order to solve this problem, you must be aware of convenience classes to write character files. The class has constructors that assume the acceptability of default byte-buffer and character encoding. If you wish to specify the values yourself, you can simply construct the OutputStreamWriter using the FileOutputStream. The availability of files depends on the underlying platforms, which determine if the file might be created or not. A few platforms allow files to be initialised for writing functions using a single FileWrite or multiple file-writing objects. However, constructors from this class will be failing once the involved file is already initialised. FileWriter is used for writing character streams and FileOutputStream can write raw byte streams. The special constructor in  FileWriter accepts a file, once passed true the file can be opened in the append mode. This makes the task easier by enabling adding text at the end of the file. This FileWriter can be used to add text to a file multiple times. One of the benefits to add text using this method is that it maintains the position and length. Learn Software Development Courses online from the World’s top Universities. Earn Executive PG Programs, Advanced Certificate Programs or Masters Programs to fast-track your career. 4.What is Recursion? This is another programming questions for freshers. Recursion is a programming technique in which a function calls itself to solve a problem. Recursion involves breaking down a complex problem into smaller, similar subproblems and solving each subproblem using the same approach. Recursive functions have two main components: a base case and a recursive case. Here’s a breakdown of how recursion works: Base Case: When the function stops calling itself and returns a result directly, this is referred to as the base case condition. It provides the exit point for the recursion, preventing infinite loops. Base cases are usually simple cases that can be directly solved without further recursion. Recursive Case: In the recursive case, the function calls itself to solve a smaller version of the same problem. This step is crucial for breaking down the problem into smaller, more manageable parts. The recursive call should lead the problem toward the base case. 5.Explain Big O Notation.  Big O notation is a mathematical representation that describes the upper bound on the asymptotic growth rate of an algorithm’s time complexity. It helps assess how the performance of an algorithm scales with input size. For example, O(n) signifies linear time complexity, indicating that the algorithm’s execution time grows linearly with the input size. It is crucial for understanding and comparing the efficiency of different algorithms when solving a problem.  6.What is a LinkedList? A LinkedList is a data structure that consists of nodes, where each node contains data and a reference (or link) to the next node in the sequence. Unlike arrays, LinkedLists allow dynamic memory allocation and efficient insertions or deletions at any position. They come in two types: singly linked lists, where each node points to the next, and doubly linked lists, where each node points to both the next and the previous nodes.  7.Explain Singly and Doubly Linked List?   – A singly linked list is a data structure where each node contains data and a reference to the next node. In contrast, a doubly linked list has nodes with references to both the next and the previous nodes. Singly linked lists are simpler and use less memory, but traversing backward is inefficient. Doubly linked lists provide bidirectional traversal but require more memory due to the additional references.  8.What are Hashmaps? Hashmaps are data structures that implement an associative array abstract data type. They use a hash function to map keys to indices, allowing efficient retrieval and storage of key-value pairs. Hashmaps offer constant-time average case complexity for basic operations like insertion, deletion, and lookup. However, collisions can occur when multiple keys hash to the same index, which is typically resolved using techniques like chaining or open addressing.  9.What is a Binary Tree? A binary tree is a hierarchical data structure where each node has at most two children, referred to as the left and right subtrees. The topmost node is called the root, and nodes with no children are leaves. Binary trees are widely used in computer science for efficient searching, sorting, and retrieval operations. Depending on the specific properties of the tree, such as balance, they can be classified into various types like binary search trees or AVL trees.  9.What are some differences Between Breadth-First and Depth-First Search?   – Breadth-First Search (BFS) and Depth-First Search (DFS) are algorithms used to traverse or search through graph-like structures. BFS explores a graph level by level, visiting all neighbors of a node before moving on to the next level. In contrast, DFS explores as deeply as possible along each branch before backtracking. BFS is often used to find the shortest path, while DFS is more memory-efficient and suited for problems involving cycles or connected components.  10.Explain Recursion with Example.   – Recursion is a programming concept where a function calls itself directly or indirectly. An example is the calculation of the factorial of a number. The factorial of n (denoted as n!) is the product of all positive integers up to n. The recursive definition is n! = n  (n-1)!, and the base case is 0! = 1. Here’s an example in Java:     int factorial(int n) {        if (n == 0 || n == 1) {            return 1;        } else {            return n  factorial(n - 1);        }    }    This function calculates the factorial of a number using recursion.  11.SOLID Principle:   – SOLID is an acronym representing a set of principles for writing maintainable and scalable software. The principles include:       – Single Responsibility Principle (SRP): A class should have only one reason to change.       – Open/Closed Principle (OCP): Software entities should be open for extension but closed for modification.       – Liskov Substitution Principle (LSP): Subtypes must be substitutable for their base types without altering the correctness of the program.       – Interface Segregation Principle (ISP): A class should not be forced to implement interfaces it does not use.       – Dependency Inversion Principle (DIP): High-level modules should not depend on low-level modules; both should depend on abstractions.    These principles guide developers in creating modular, flexible, and scalable software.  12.Exception Handling:   – Exception handling is a programming paradigm used to handle runtime errors or exceptional conditions gracefully. In languages like Java, it involves using try-catch blocks to isolate and handle exceptions. For example:     try {        // Code that may throw an exception        int result = 10 / 0; // Division by zero    } catch (ArithmeticException ex) {        // Handle the exception        System.out.println("Cannot divide by zero");    }     In this example, if a division by zero occurs, the catch block handles the exception, preventing the program from crashing and allowing for proper error handling.  13.Explain Stack and Queue with Real-world Example. Stack and queue are abstract data types with specific rules for adding and removing elements. A real-world example of a stack is the undo mechanism in software applications. Each action is pushed onto the stack, allowing users to undo in reverse order. A real-world example of a queue is a printer queue, where print jobs are processed in the order they are received. Both data structures play a crucial role in managing tasks efficiently based on their respective principles.  14.How to Find the Second Largest Number in an Array? To find the second-largest number in an array, you can iterate through the array while maintaining two variables to track the largest and second-largest numbers. Here’s a Java implementation:     int findSecondLargest(int[] arr) {        int firstLargest = Integer.MIN_VALUE;        int secondLargest = Integer.MIN_VALUE;        for (int num : arr) {            if (num > firstLargest) {                secondLargest = firstLargest;                firstLargest = num;            } else if (num > secondLargest && num != firstLargest) {                secondLargest = num;            }        }        return secondLargest;    }     This algorithm ensures correct handling of cases with duplicate numbers.  15.How Do You Find Duplicate Numbers in an Array with Multiple Duplicates?   – To find duplicate numbers in an array with multiple duplicates, you can use a HashSet to keep track of unique elements while iterating through the array. If an element is already present in the HashSet, it is a duplicate. Here’s a Java example:     void findDuplicates(int[] arr) {        Set<Integer> set = new HashSet<>();        Set<Integer> duplicates = new HashSet<>();        for (int num : arr) {            if (!set.add(num)) {                duplicates.add(num);            }        }        System.out.println("Duplicate Numbers: " + duplicates);    }     This approach has a time complexity of O(n) and efficiently identifies all duplicate numbers.  16.How Do You Implement Bubble Sort?  Bubble Sort is a simple sorting algorithm that repeatedly steps through the list, compares adjacent elements, and swaps them if they are in the wrong order. The process is repeated  until the list is sorted. Here’s a Java implementation:    void bubbleSort(int[] arr) {        int n = arr.length;        for (int i = 0; i < n - 1; i++) {            for (int j = 0; j < n - i - 1; j++) {                if (arr[j] > arr[j + 1]) {                    // Swap arr[j] and arr[j+1]                    int temp = arr[j];                    arr[j] = arr[j + 1];                    arr[j + 1] = temp;                }            }        }    }  Bubble Sort has a time complexity of O(n^2) and is not the most efficient sorting algorithm for large datasets.  17.How Do You Implement a Binary Search Tree? A Binary Search Tree (BST) is a tree data structure where each node has at most two children, and the left child is less than or equal to the parent, while the right child is greater. Here’s a Java implementation:     class TreeNode {        int val;        TreeNode left, right;        public TreeNode(int val) {            this.val = val;            this.left = this.right = null;        }    }    class BinarySearchTree {        TreeNode root;        void insert(int key) {            root = insertRec(root, key);        }        TreeNode insertRec(TreeNode root, int key) {            if (root == null) {                root = new TreeNode(key);                return root;            }            if (key < root.val) {                root.left = insertRec(root.left, key);            } else if (key > root.val) {                root.right = insertRec(root.right, key);            }            return root;        }    }   This code defines a basic Binary Search Tree with an insert operation.  18.Write a Code to Find the Maximum Depth of a Binary Tree. To find the maximum depth of a binary tree, you can use a recursive approach, calculating the depth of the left and right subtrees and returning the maximum. Here’s a Java implementation:     class TreeNode {        int val;        TreeNode left, right;        public TreeNode(int val) {            this.val = val;            this.left = this.right = null;        }    }    int maxDepth(TreeNode root) {        if (root == null) {            return 0;        }        int leftDepth = maxDepth(root.left);        int rightDepth = maxDepth(root.right);        return Math.max(leftDepth, rightDepth) + 1;    }     This code calculates the maximum depth of a binary tree using recursion.  19.How Do You Reverse a Linked List?   – To reverse a linked list, you can iteratively reverse the links between nodes. Here’s a Java implementation:     class ListNode {        int val;        ListNode next;        public ListNode(int val) {            this.val = val;            this.next = null;        }    }    ListNode reverseList(ListNode head) {        ListNode prev = null;        ListNode current = head;        ListNode next;        while (current != null) {            next = current.next;            current.next = prev;            prev = current;            current = next;        }        return prev;    }     This code iteratively reverses a linked list by updating the next pointers.  20.How Do You Add an Element to the Middle of a Linked List? To add an element to the middle of a linked list, you need to find the middle node and insert the new node after it. Here’s a Java implementation:     class ListNode {        int val;        ListNode next;        public ListNode(int val) {            this.val = val;            this.next = null;        }    }    void insertMiddle(ListNode head, int value) {        ListNode slow = head;        ListNode fast = head;        while (fast != null && fast.next != null) {            slow = slow.next;            fast = fast.next.next;        }        ListNode newNode = new ListNode(value);        newNode.next = slow.next;        slow.next = newNode;    }    This code finds the middle node using the slow and fast pointer technique and inserts a new node after it.  21. Check if the Following Number Is an Armstrong Number.  An Armstrong number is a number that is the sum of its own digits, each raised to the power of the number of digits. To check if a number is an Armstrong number, you can use the following Java code:    boolean isArmstrong(int num) {        int originalNum = num;        int n = String.valueOf(num).length();        int sum = 0;        while (num > 0) {            int digit = num % 10;            sum += Math.pow(digit, n);            num /= 10;        }        return sum == originalNum;    }   This code calculates the sum of the digits raised to the power of the number of digits and checks if it equals the original number.  22. Given an Unsorted Array of Integers, Find the Length of the Longest Consecutive Elements Sequence.  To find the length of the longest consecutive elements sequence in an unsorted array, you can use a HashSet to efficiently track elements and their consecutive sequences. Here’s a Java implementation:   int longestConsecutive(int[] nums) {        Set<Integer> set = new HashSet<>();        for (int num : nums) {            set.add(num);        }        int longestStreak = 0;        for (int num : set) {            if (!set.contains(num - 1)) {                int currentNum = num;                int currentStreak = 1;                while (set.contains(currentNum + 1)) {                    currentNum++;                    currentStreak++;                }                longestStreak = Math.max(longestStreak, currentStreak);            }        }        return longestStreak;    }     This code utilizes a HashSet to efficiently check for consecutive elements and find the length of the longest sequence. 23. How Do You Check if Two Strings Are a Rotation of Each Other:   To check if two strings are rotations of each other, you can concatenate one string with itself and see if the other string is a substring of the concatenated string. Here’s a Java implementation:     boolean areRotations(String str1, String str2) {        if (str1.length() != str2.length()) {            return false;        }        String concatenated = str1 + str1;        return concatenated.contains(str2);    }  This code checks if the length of the two strings is the same and if one string is a rotation of the other. 24. How to Find the Length of the Longest Substring Without Repeating Characters:  To find the length of the longest substring without repeating characters, you can use the sliding window technique with a HashSet to track unique characters. Here’s a Java implementation:     int lengthOfLongestSubstring(String s) {        Set<Character> set = new HashSet<>();        int left = 0, right = 0, maxLength = 0;        while (right < s.length()) {            if (!set.contains(s.charAt(right))) {                set.add(s.charAt(right));                maxLength = Math.max(maxLength, right - left + 1);                right++;            } else {                set.remove(s.charAt(left));                left++;            }        }        return maxLength;    }  This code uses a sliding window to efficiently find the length of the longest substring without repeating characters. 25.How to Find All Permutations of a String:  To find all permutations of a string, you can use a recursive approach where each character is fixed at the beginning, and permutations of the remaining characters are recursively generated. Here’s a Java implementation:     List<String> permutations(String s) {        List<String> result = new ArrayList<>();        generatePermutations("", s, result);        return result;    }    void generatePermutations(String prefix, String remaining, List<String> result) {        int n = remaining.length();        if (n == 0) {            result.add(prefix);        } else {            for (int i = 0; i < n; i++) {                generatePermutations(prefix + remaining.charAt(i),                                      remaining.substring(0, i) + remaining.substring(i + 1),                                      result);            }        }    }     This code generates all permutations of a string using recursion.  26.How to rotate an array left and right by a given number K?   To rotate an array left and right by a given number `K`, you can use various approaches. Here, I’ll provide examples in Java for both left and right rotations.  Left Rotation:  public class LeftRotation {     static void leftRotate(int[] arr, int k) {         int n = arr.length;         k = k % n; // To handle cases where k is greater than array length         reverse(arr, 0, k – 1);         reverse(arr, k, n – 1);         reverse(arr, 0, n – 1);     }     static void reverse(int[] arr, int start, int end) {         while (start < end) {             int temp = arr[start];             arr[start] = arr[end];             arr[end] = temp;             start++;             end–;         }     }     public static void main(String[] args) {         int[] array = {1, 2, 3, 4, 5};         int rotationCount = 2;         System.out.println(“Original Array: ” + Arrays.toString(array));         leftRotate(array, rotationCount);         System.out.println(“Left Rotated Array: ” + Arrays.toString(array));     }  }  Right Rotation:  public class RightRotation {     static void rightRotate(int[] arr, int k) {         int n = arr.length;         k = k % n; // To handle cases where k is greater than array length         reverse(arr, 0, n - 1);         reverse(arr, 0, k - 1);         reverse(arr, k, n - 1);     }     static void reverse(int[] arr, int start, int end) {         while (start < end) {             int temp = arr[start];             arr[start] = arr[end];             arr[end] = temp;             start++;             end--;         }     }     public static void main(String[] args) {         int[] array = {1, 2, 3, 4, 5};         int rotationCount = 2;         System.out.println("Original Array: " + Arrays.toString(array));         rightRotate(array, rotationCount);         System.out.println("Right Rotated Array: " + Arrays.toString(array));     }  }  In both cases, the `leftRotate` and `rightRotate` functions use a helper function `reverse` to reverse a portion of the array. This ensures an efficient rotation by reversing sections of the array based on the given rotation count `K`. 27.Find the Index of Two Array Elements Whose Sum Is Equal to the Given Value.  To find the index of two array elements whose sum is equal to a given value, you can use a HashMap to store the complement of each element. Here’s a Java implementation:    int[] findTwoSum(int[] nums, int target) {        Map<Integer, Integer  > map = new HashMap<>();        for (int i = 0; i < nums.length; i++) {            int complement = target - nums[i];            if (map.containsKey(complement)) {                return new int[]{map.get(complement), i};            }            map.put(nums[i], i);        }        return new int[]{-1, -1};    }  This code efficiently finds the indices of two array elements whose sum is equal to the given value using a HashMap. 28.How Do You Find All Pairs of an Integer Array Whose Sum Is Equal to a Given Number?  To find all pairs of an integer array whose sum is equal to a given number, you can use the two pointers approach with sorting. Here’s a Java implementation:     List<int[]> findPairsWithSum(int[] nums, int target) {        List<int[]> result = new ArrayList<>();        Arrays.sort(nums);        int left = 0, right = nums.length - 1;        while (left < right) {            int sum = nums[left] + nums[right];            if (sum == target) {                result.add(new int[]{nums[left], nums[right]});                left++;                right--;            } else if (sum < target) {                left++;            } else {                right--;            }        }        return result;    }    This code efficiently finds all pairs of an integer array whose sum is equal to a given number using two pointers and sorting.   What is the Best Way to Prepare for a Coding Interview? Preparing for a coding interview questions for freshers requires a combination of technical knowledge, problem-solving skills, basic coding questions for interview, and effective communication so that you can clear it and get your dream job. Here’s a comprehensive plan to help you to prepare programming questions for freshers for an interview: – Understand the Basics First, review fundamental data structures (arrays, linked lists, stacks, queues, trees, graphs) and algorithms (sorting, searching, recursion, dynamic programming). Brush all the above things on time and space complexity analysis. Practice Coding Solve various coding interview questions with solutions on platforms like LeetCode, HackerRank, and CodeSignal. On top of that, focus on different categories: arrays, strings, linked lists, trees, graphs, dynamic programming, etc. if you want to crack the interview, you have to aim for both easy and hard problems to cover a wide range of difficulties. Study Problem Patterns Recognize common problem-solving patterns such as sliding windows, two-pointers, greedy algorithms, and divide and conquer. Moreover, learn to identify the appropriate pattern for different types of problems. Mock Interviews Practice with mock interviews to simulate the actual interview experience. Use platforms like Pramp or interviewing.io to practice real-time coding and communication. System Design (if applicable) Suppose your coding interview questions with solutions interview includes a system design component and study system design principles and patterns. Also, practice designing scalable and maintainable systems. Review Key Concepts Review object-oriented programming (OOP) principles and design patterns. Furthermore, understand database concepts, networking, and web technologies if relevant. Whiteboard Coding Practice coding on a whiteboard or a code editor without the help of an IDE. Also, focus on clarity, step-by-step explanation, and code correctness. Time Management Work on improving your problem-solving speed. Set time limits for each problem and prioritize efficiency in both code and approach. Learn from Mistakes Analyze your mistakes and suboptimal solutions to learn from them and understand why certain approaches failed and how to improve them. Stay Updated Keep up with new coding trends, languages, and libraries by following blogs, online forums, and YouTube channels related to coding interviews. Communication Skills Practice explaining your thought process clearly while solving problems. Additionally, articulate your approach, considerations, and trade-offs. Behavioral Questions Prepare for behavioral questions that might be part of the interview and use the STAR method (Situation, Task, Action, Result) to structure your responses. Rest and Relaxation Get sufficient rest before the interview day and stay relaxed to manage stress during the interview. Interview Day Preparation Review your notes, key concepts, and problem-solving strategies. Apart from that, keep a positive attitude and stay focused during the interview. Remember, consistent and focused practice is key to success in coding interviews along with basic coding questions for interview. It’s not just about memorizing solutions but developing a strong problem-solving mindset. Practice regularly, learn from your mistakes, and adapt your strategies based on your experiences. Read our Popular Articles related to Software Development Why Learn to Code? How Learn to Code? How to Install Specific Version of NPM Package? Types of Inheritance in C++ What Should You Know? Conclusion The art of answering is a skill to polish, it is important to be ready for the questions which are relevant to the job profile. This set of coding interview questions is an attempt to take you toward the first step of cracking the coding interview. Courses that are focused on programming are not just great for solving problems but also additionally increase your chances of being selected when applying for jobs. If you wish to learn more about Java programming and more advanced coding problems, you can enrol yourself into a comprehensive course such as upGrad’s Master of Science in Computer Science or the Full Stack Development Course.
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by Sriram

26 Jun 2024

Top 10 Features & Characteristics of Cloud Computing in 2024
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Cloud computing has become very popular these days. Businesses are expanding worldwide as they heavily rely on data. Cloud computing is the only solution to the current need for data transfer and storage, one of the quintessential needs of any growing business. Through cloud computing, businesses can store and transfer a massive pool of data from physical storage to a cloud destination that can be accessed anywhere. Cloud computing has been acting as a model for operationalising on-demand, convenient, and ubiquitous network access to various computing resources. Origin of cloud computing Cloud computing refers to an expanding rundown of techniques and tools. However, the key features of all cloud computing remain almost the same. AWS first popularised this concept. Cloud computing emerged as one alternative to physical data storage infrastructure. AWS started selling this service back in 2006. Microsoft and Google followed this lead soon after. Presently, cloud services extend from software to data infrastructure, various data models, and everything lying in between. It also includes containers, AI, serverless computing, IoT, databases, dedicated networking, business apps, data analytics, and many more aspects. Each subset of cloud computing has its challenges and benefits.  What is Cloud Computing? Cloud computing is an evolved branch of technology that helps businesses to meet their IT needs. This technical service helps both individuals and corporations daily. Everyone is dependent on good data storage facilities to overcome the storage limitations of hardware devices/systems. Everyone needs a pool of resources that is accessible anywhere, anytime.  This is where cloud computing enters. It offers a very convenient and easy choice for clients to store data within a secured infrastructure. Therefore, many companies now rely on sound cloud computing solutions. Top 10 Characteristics of Cloud Computing: 1. Self-service On-Demand  This is one of the most essential and significant characteristics of cloud computing. This means that cloud computing enables clients to regularly monitor the abilities, allotted network storage, and server uptime. Therefore, it is one of the most fundamental features of cloud computing that helps clients control various computing abilities as per their requirements.  2. Resources Pooling This is also a fundamental characteristic of cloud computing. Pooling resources means that a cloud service provider can distribute resources for more than one client and provide them with different services according to their needs. Resource Pooling is a multi-client plan useful for data storing, bandwidth services and data processing services. The provider administers the data stored in real-time without conflicting with the client’s need for data. 3. Easy Maintenance This is one of the best cloud characteristics. Cloud servers are easy to maintain with low to almost zero downtime. Cloud Computing powered resources undergo several updates frequently to optimise their capabilities and potential. The updates are more viable with the devices and perform quicker than the previous versions. 4. Economical This kind of service is economical as it efficiently reduces IT costs and data storage expenditure. Moreover, most cloud computing services are free. Even if there are paid plans, it’s only to expand storage capacity, and these costs are often very nominal. This is a massive advantage of using cloud computing services. 5. Rapid Elasticity and Scalability The best part of using cloud storage is that it can easily handle all the workload and data load concerning storage. Furthermore, as it is fully automated, businesses and organisations can save heavily on manual labour and technical staffing as cloud services are elastic, scalable and automated. This is one of the significant advantages of using cloud services. 6. Efficient Reporting services. The best aspect of using cloud storage is that even if it is fully automated and managed by bots, it has a speedy and prompt reporting service in case of any error or hindrance. In addition, the back-end cloud services team is pretty fast in addressing user reports, whether billing issues or functionality. 7. Automation Automation is a pivotal characteristic of cloud computing. Cloud services can automatically configure, install and reboot to give optimum functionality. It reduces manual effort and is very user friendly. How commands are deployed through the cloud infrastructure requires no human interference concerning sorting the stored data. 8. Security one of The best features of cloud computing is that it’s secure. Clients hardly face any threat of piracy or data breach concerning the content uploaded overcloud. There is no threat of trojans or viruses damaging the stored data. Even if the device happens to be infected, cloud data is safe from such harm. 9. Broad Network Access A significant part of cloud services is that it’s ubiquitous. Clients need any device with an internet connection to access cloud storage. In addition, the cloud service providers have ample access to the network that makes it easy for them to administer all the data uploaded on the Cloud through parameters like access time, latency, data output, and more. 10. Resilience Resilience refers to the capability of the cloud service to recover quickly from any disruption. It depends on the speed of the internet and cloud database, servers and how quickly the network system recovers and reboots any damage or harm. Resilience also means that there are no physical barriers to accessibility. Clients can access cloud services remotely, making geographical nexus no bar for cloud usage. If you want to take your organisation to a higher notch by making it efficient in data storage, check out the Advanced Certificate Programme in Cloud Computing course on upGrad. This world-class course on cloud management makes you skilled in data storage and Cloud computing techniques. You can help your company in reducing IT costs by learning all about cloud computing through this course. Out of these listed characteristics, five essential characteristics of cloud computing are: on-demand self-service, broad network access, resource pooling, rapid elasticity, and measured service. Cloud computing: Technology, concepts & architecture Organisations require an excellent architecture to prevent data leaks and malicious attacks when it comes to storing data. Cloud storage is the best possible solution to safeguard data and sensitive information as cloud architecture has fortified technical barricades to prohibit unauthorised access. Such an infrastructure needs a secure internet connection to have access to the data.  Learn Software Development Courses online from the World’s top Universities. Earn Executive PG Programs, Advanced Certificate Programs or Masters Programs to fast-track your career. Currently, almost everyone uses the internet and hence, has secure and easy access to cloud storage. Furthermore, this storage system is reliable enough to prevent any data breaches. Types of Cloud Computing:  Three major types of cloud computing services, namely: ● Platform as a service (PaaS) ● Infrastructure as a service (IaaS) ● Software as a service (SaaS) Learn more about cloud computing types.  How does Cloud Computing work? Nowadays, instead of storing data in pen drives, hard disks and SSDs, everyone prefers a cloud storage format for storing and transferring data. Cloud storage services are lifesavers in times when most people frequently keep changing devices. Having their data stored on Cloud saves them the trouble of physically transferring data from one device to another. Instead, the user needs to log in and access the stored data, regardless of the device used by them. Conclusion Cloud computing is the solution to all data storage woes for all business owners as well as individuals. While we continue to amass colossal volumes of data, the reliance on cloud services also skyrockets. Apart from the storage limitations of hardware systems, data today has become much more sensitive. This is why organisations globally are choosing cloud platforms over traditional data storage platforms. The biggest perk of using cloud storage is that it’s accessible remotely, from any corner of the world, provided that you have a stable internet connection. 
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by Pavan Vadapalli

24 Jun 2024

Top 10 Interesting Engineering Projects Ideas & Topics in 2024
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Greetings, fellow engineers! As someone deeply immersed in the world of innovation and problem-solving, I’m excited to share some captivating engineering project ideas for 2024. Over the years, I’ve had the privilege of working on numerous projects that pushed the boundaries of what’s possible in engineering.  The demand for innovative solutions to complex challenges is ever-present in today’s rapidly evolving technological landscape. Whether you’re a seasoned professional or an aspiring engineer, exploring new project ideas can ignite creativity and spark inspiration.  In this article, I’ll draw from my own experiences and insights to present a curated list of top 10 engineering project ideas for 2024. From cutting-edge advancements in renewable energy to revolutionary developments in robotics and artificial intelligence, these projects promise to captivate your imagination and drive meaningful impact. Let’s embark on this journey of exploration and innovation together!  Tips for Selecting Science Project Work Before you dive into a particular simple project ideas for engineering students spend some time charting out the fundamentals. Here is a summary of the steps you must follow during the ideation, implementation, and post-completion phases.  Explore your interest areas Start the journey by looking at your interests. That means searching topics within the realm of science that intrigue you the most. Is it entirely biology, chemistry, physics, astronomy, environmental science, or something else? Choosing a project that aligns with your passions will make the process more enjoyable and engaging. Define a Clear Objective Before settling on a project, establish a clear objective. What do you want to achieve with your project? Whether exploring a specific scientific phenomenon, answering a research question, or solving a practical problem, having a well-defined goal will guide your project’s direction. Consider Feasibility Assess the resources available – time, materials, equipment, and expertise. Make sure that your chosen project is realistic within your constraints. A project that’s too ambitious might lead to frustration, while one that’s too simple might not offer enough depth. Research Existing Work Conduct thorough research to understand what’s already been done in your chosen area of interest. This will help you avoid duplicating existing work and give you insights into gaps or opportunities for further exploration. Brainstorm Ideas Generate a list of potential project ideas for engineering students. Consider your questions about the natural World or problems you’d like to solve. Brainstorming allows you to explore various options before narrowing down to the most compelling idea. Focus on Originality While it’s important to research existing work, strive to bring originality to your project. Look for ways to approach a topic from a new angle, add a unique twist, or combine different areas of science to create something novel. Consider Relevance Select a engineering project ideas that has relevance and real-world implications. Projects that address current issues, like environmental concerns or medical advancements, tend to have greater impact and significance. Testable Hypothesis Formulate a clear and testable hypothesis for your project. A hypothesis is a statement that predicts the outcome of your experiment or investigation. It serves as the foundation of your project’s methodology and analysis. Plan Your Experiment Design a detailed plan for conducting your experiment or investigation. Outline the materials you’ll need, the procedure you’ll follow, and the data you’ll collect. A well-structured experiment ensures accurate results and a smoother project experience. Seek Guidance Consult with teachers, mentors, or experts in the field. Their insights can help refine your project idea, guide experimental design, and offer valuable feedback. Embrace Challenges Science projects for engineering students often come with unexpected challenges and setbacks. Embrace these as learning opportunities. Problem-solving and adapting to unforeseen circumstances are valuable skills in the World of science. Ethical Considerations If your project involves human subjects, animals, or potentially hazardous materials, ensure that you adhere to ethical guidelines and obtain any necessary permissions or approvals. Keep a Detailed Record Maintain a thorough lab notebook or project journal to document every step of your project – from initial ideas and experimental setups to results and conclusions. This documentation is crucial for presenting your work and validating your findings. Analyze Results Once your experiment is complete, analyze the data you’ve collected. Interpret the results in the context of your hypothesis and draw meaningful conclusions. Communicate Your Findings Present your innovative project ideas for engineering students findings through a report, presentation, or poster. Effective communication of your work is essential for sharing your discoveries and insights with others. Looking to challenge yourself or expand your portfolio? Check out our curated list of computer science project ideas to inspire your next groundbreaking project. Top 10 Engineering Projects in 2024 1. Electronics Electronics projects deal with circuits, resistors, microcontrollers, etc. You can find many examples of electronic appliances that are integrated with emerging technology features. For instance, you may come across a speed detecting device that flashes a laser beam when a vehicle exceeds the predetermined limit. Or a device that can track electricity usage and send updates to your smartphone via SMS. If you are into data authentication, you can build a biometric system that confirms user IDs based on their fingerprint.  You can also choose a topic depending upon the industry or sector, such as: Agriculture: Powered tiller and weeder for farms; Android-based monitoring device for greenhouse environments; tracking system for solar panels. Biomedical: Heart rate and temperature monitoring device for patients; Bluetooth or WiFi transmission device for ECG signals. Spatial/Locational: Arduino-based GPS tracker; remotely operated vehicles. Home assistance: Door locking system through password mechanism; home appliances Control through a smartphone; water level indicators for tanks. Source Code: Electronics 2. Mechanical Mechanical engineering project ideas span across automation, mechatronics, and robotics, sometimes requiring cross-disciplinary knowledge. You can discover standard applications in the following areas: Energy and Environment: Wind and solar power charging station, Food shredder compost machine.  Home appliances: Air purifier and humidifier; solar water heater; mattress deep cleaning device. Manufacturing: Wireless material handling system; automatic hydraulic jack; automobile prototyping. Ecommerce: Automatic sorting system using images; theft-proof delivery robot. Additionally, you can delve into the world of three-dimensional objects and computer-aided design with 3D printers. Building a 3D printer from scratch will bring a practical dimension to your knowledge of additive manufacturing, CAD models, RAMPS Boards, SMPS and Motor Drivers, Arduino Programming, etc.  Source Code: Mechanical 3. Robotics Robotics is a multidisciplinary field specializing in electronics, mechanical engineering, and artificial intelligence technologies. It is expected to transform lives and how we work in the recent future. To stay one step ahead of the change, you can try out any of the following project ideas and master different robotics skills. Surveillance robot that captures live video footage and transmits to remote locations over the internet.  Mobile-controlled robotic arm with multiple degrees of freedom. A voice-controlled robot that uses speech recognition, android app development, Bluetooth communication, and Arduino programming to perform specific tasks. An intelligent robot that can solve a problem, such as come out of a maze puzzle. A fire-fighting robot, equipped with digital IR sensors and a DC fan, detects the fire and moves to put it off.  Source Code: Robotics 4. Machine Learning Machine Learning (ML) projects can help you gain conceptual clarity and hands-on experience in applying Mean Squared Error Function, Update Function, Linear Regression, Gaussian Naive Bayes Algorithm, Confusion Matrix, Tensor Flow & Keras Libraries, Clustering, among other things.  Sentiment analysis (using text mining and computational linguistics) to uncover customer options and market trends. Credit Card fraud detection project using ML algorithms and Python language.  A recommendation engine that suggests movie titles based on a user’s viewing history. Handwritten digit organizer that applies deep learning like convolutional neural networks. Source Code: Machine Learning 5. Data Science and Analytics Budding data scientists can choose from various projects and tutorials to learn web scraping, data cleaning, exploratory data analysis or EDA, data visualization, etc.  Below are some examples:  Web scraping project uses Scrapy or Beautiful Soup to crawl public data sets on the internet for relevant insights. Data scrubbing project that introduces you to the fundamentals of removing incorrect and duplicate data, managing gaps, and ensuring consistent formatting. EDA project where you ask questions about the data, discover its underlying structure, look for patterns and anomalies, test hypotheses, validate assumptions, and so on.  A visualization and manipulation project using R and its various packages.  Source Code: Data Science and Analytics  6. Computer Vision Computer Vision is a subfield of Artificial Intelligence, encompassing object recognition, image processing, facial recognition, among other things. You can develop a text scanner with optical character recognition capabilities and display the text on a screen. Or build an intelligent selfie device that takes snaps when you smile and stores them on your smartphone.  Free tools like Lobe can help you select the right architecture for Computer Vision projects involving image classification. Once you have trained the model, deploying it on a website only takes a few simple steps. Source Code: Computer Vision 7. Internet of Things (IoT) Budding software professionals can implement several projects to gain familiarity with IoT concepts and applications, Arduino architecture and programming, interfacing and calibrating sensors, and integration of cloud platforms. Consider these two examples: Smart Building Project: You can develop a system that senses the number of occupants to switch the lights on or off automatically. You can further analyze the usage of rooms, occupancy at different times of the day, and the total power consumed. Automated Street Lighting: Here, you build a public street lighting system capable of adjusting according to the amount of sunlight present. It is an energy-efficient solution that sends data to a cloud for storage and analysis. Source Code: Internet of Things 8. Python Projects Python has extensive use cases spanning web development, data science, and machine learning. Beginner programmers can hone their python language skills with the following project ideas: QR code generation encodes data like contact details, YouTube links, app download links, digital transaction details, etc.  GUI application using Tkinter that you can use to generate the calendar for any year.  An application that converts images into pencil sketches with the aid of the OpenCV library. Source Code: Python Projects 9. Android App Projects As advanced mobile technologies gain prominence across global markets, Android app development is necessary from a tech career perspective. Engineering projects can bring you up to speed with Java, Firebase, networking basics, and the launch process on Playstore. You can start your quest with any of these platforms. Flutter Project: Learn to build apps for authentication activities using the Dart programming language. Android Studio Project: Try your hand at creating online stores, fitness apps, social media apps, etc. Source Code: Android App Projects 10. Cloud Computing  The possibilities for cloud computing projects are endless: Bring software development and IT operations together with a DevOps project, or host static websites on the Amazon Web Service (AWS) or Azure platforms. With regular practice, you can move on to building dynamic websites and go serverless with your applications and services. Since cloud computing is among India’s leading technology skills, pursuing project work on this topic will give you an edge in job applications as well. Source Code: cloud computing Other Engineering Projects Civil engineers and architects can also utilize projects to combine domain knowledge with smart technologies and project management tools. Such projects typically train you in 3D modeling, rendering techniques, critical path method, project budgeting techniques, etc.  Learn Software Development Courses online from the World’s top Universities. Earn Executive PG Programs, Advanced Certificate Programs or Masters Programs to fast-track your career. Wrapping up I’ve compiled some exciting engineering project ideas for students to explore. Consider upskilling with upGrad’s online courses to implement industry projects and build a stellar portfolio, setting yourself apart from the competition. For instance, the Fullstack Development Program from Purdue University offers comprehensive training for mastering the intricacies of full-stack development and building complete applications.  Don’t hesitate. Choose the right program and embark on your learning journey today! 
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by Rohit Sharma

13 Jun 2024

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