Top 10 Free Java Courses with Certificates for In-Demand Java Jobs
By Rohan Vats
Updated on May 15, 2025 | 12 min read | 69.88K+ views
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By Rohan Vats
Updated on May 15, 2025 | 12 min read | 69.88K+ views
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Did you know? Java remains one of the top programming languages in 2025. It ranked #2 in Pluralsight’s annual report and held the #3 spot in both the TIOBE Index (November 2024) and RedMonk Q3 2024 rankings, just behind Python and C++ or JavaScript. Its consistent performance shows Java’s lasting importance in today’s tech ecosystem. This study showcases the importance of Java in the tech industry.
Java has significantly transformed modern web development with its robust, component-based architecture, enabling developers to build scalable and efficient applications. Learning Java is essential for web developers, as it is widely used across e-commerce, social media, and finance industries.
In this blog, you’ll explore a free Java course with certification and learn how it can help you build a strong foundation in programming, whether you're aiming for software development, backend roles, or looking to expand your overall tech skills in 2025.
Want to enhance your programming skills? upGrad’s Online Software Development Courses provide you with the latest tools and strategies to stay ahead in the ever-evolving tech world. Enroll today and build the future of web development!
If you're thinking about leveling up your career with Java, there are some great free Java courses with certifications out there. Whether you're just starting or looking to go deeper, these Java free certification courses will help you build the skills you need and stand out in the tech field.
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So let's kick -in!
Before we dive into the details, here’s a quick glance at the top Java courses and who’s offering them.
Platform / Provider |
Course Name |
upGrad | Core Java Basics – Free Certification Course |
upGrad | Core Java Course |
upGrad | Java Object-Oriented Programming – Free Certification |
IBM | Object-Oriented Programming in Java |
Oracle | Oracle Java Training and Certification |
Let’s explore what each course offers, who it’s best suited for, and how it can help you build solid Java programming skills, whether you’re just starting or aiming for full stack development.
The Core Java Basics course by upGrad is a beginner-friendly, free certification course designed to help you build a strong foundation in Java programming. Whether you're a student, aspiring developer, or a professional switching to Java, this course covers the essential building blocks of Java development.
You’ll start by setting up your development environment and writing your first Java program. From there, you’ll explore variables, data types, functions, and basic error handling through a practical, hands-on approach. By the end of the course, you'll be confident in writing modular, readable, and efficient Java code.
Java Skills You'll Learn:
Skill |
Description |
JDK Installation & Setup | Learn to install the Java Development Kit and run Java programs via the command line. |
Writing Java Programs | Get hands-on experience with your first “Hello World” program and understand how Java code is executed. |
IDE – IntelliJ | Use IntelliJ, a professional IDE, to streamline your Java development process. |
Variables & Data Types | Master declaring, using variables, and exploring core data types like int, float, char, and boolean. |
Functions & Modularity | Write reusable, efficient code using functions and internal Java methods. |
Error Handling | Learn the basics of managing errors in your code for better reliability. |
Who Should Opt for This Free Certification Course?
This free Java course is perfect for:
The Core Java Course by upGrad is ideal for you to build a strong foundation in Java programming. This beginner-friendly course introduces the fundamental concepts of Java, including its platform independence, object-oriented structure, and real-world applications.
Core Java follows the principle of WORA (Write Once, Run Anywhere), making it highly versatile across platforms. The course is beneficial if you aim to work in web development, client-server architecture, or popular tech domains like Salesforce, Selenium, Hadoop, or Data Analytics.
You'll start with Java basics and gradually build the skills to transition into advanced topics or full-stack development roles.
Java Skills You'll Learn:
Skill |
Description |
Java Syntax & Basics | Understand the structure and syntax of Java programs. |
Object-Oriented Programming | Learn core OOP principles like inheritance, encapsulation, and polymorphism. |
Platform Independence (WORA) | Write code once and run it on multiple platforms without changes. |
Core APIs & Packages | Work with essential Java packages for building real applications. |
Application Use Cases | Explore how Java is used in tools and platforms like Selenium, Hadoop, and more. |
Who Should Opt for This Course?
This Core Java course is perfect for:
The Java Object-Oriented Programming course by upGrad is a free certification program designed to help learners master the foundational principles of Java OOP (Object-Oriented Programming). With just 2 hours of structured learning, this course is perfect for beginners and professionals who want to strengthen their understanding of Java classes, objects, inheritance, encapsulation, and abstraction through hands-on coding examples.
The course focuses on building modular, scalable, and maintainable code, helping you apply Java OOP concepts in real-world software development. It's a great stepping stone for anyone preparing for interviews, academic projects, or transitioning into backend or full stack development.
Java Skills You'll Learn:
Skill |
Description |
Abstraction | Learn to simplify complex systems by modeling classes and hiding unnecessary implementation details. |
Classes | Understand how to define classes as templates for creating real-world entities with fields, constructors, and methods. |
Objects | Practice creating and manipulating objects encapsulating data and behavior, simulating real-world scenarios. |
Multiple Objects in a Class | Learn how objects maintain individual states, enabling scalable program logic through multiple class instances. |
Constructors | Explore different types of constructors (default, parameterized, overloaded) to streamline and customize object creation. |
Who Should Opt for This Free Certification?
This free Java course with certificate is ideal for:
Get a Comprehensive Overview of Data Science Certification from upGrad
The IBM Object-Oriented Programming in Java course is a comprehensive, beginner-friendly learning path designed for those looking to quickly gain proficiency in Java. Over an estimated three hours, you'll be guided through step-by-step tutorials to set up your Java development environment and start writing Java code.
This course focuses on the fundamental concepts of Object-Oriented Programming (OOP), preparing you to handle more complex programming tasks. You’ll explore key OOP principles such as inheritance, abstraction, interfaces, and exception handling. By the end of the course, you’ll be able to apply OOP principles in your Java applications confidently.
Java Skills You'll Learn:
Skill |
Description |
Java Programming Basics | Set up the Java environment and write your first Java program, gaining a solid understanding of Java syntax. |
Exception Handling | Learn how to handle errors and exceptions effectively in your Java applications, ensuring more robust and stable code. |
Inheritance & Abstraction | Understand and apply OOP concepts like inheritance and abstraction to make your code more modular and reusable. |
Interfaces | Learn how to define and implement interfaces in Java, allowing you to create flexible and extensible code. |
Nested Classes | Explore the concept of nested classes in Java, learning how to organize code efficiently and improve readability. |
Who Should Opt for This Certification?
This course is perfect for:
The Oracle Java Training and Certification program is a role-based, industry-recognized certification pathway designed to equip learners with the skills to build secure, portable, high-performance applications. Whether you want to become a Java developer or master enterprise-level Oracle technologies, this certification helps validate your expertise and practical knowledge in building scalable Java solutions.
This program strengthens your core Java proficiency and includes training on implementing advanced Oracle technologies such as Oracle WebLogic Server, Oracle SOA Cloud Service, and Oracle WebCenter Portal, making it ideal for professionals working with Java in cloud-based or enterprise environments.
Java & Oracle Skills You'll Learn:
Skill |
Description |
Java SE Programming | Learn to write robust, maintainable Java code focusing on object-oriented principles. |
Application Deployment | Understand how to deploy Java applications securely and efficiently on Oracle environments. |
Oracle WebLogic Server | Learn to configure and manage this enterprise-grade application server. |
Oracle SOA Cloud Service | Gain skills in integrating services using Oracle's SOA-based architecture. |
WebCenter Portal Integration | Learn to use Oracle’s portal platform to build interactive web applications. |
Who Should Opt for This Certification?
This Oracle Java certification is ideal for:
If you're interested in a free Java course, take a look at the Java courses available on upGrad’s Free Courses platform.
Get a Chance to Master the Singleton Design Pattern with upGrad
upGrad’s free Java course with certification is designed to build your programming foundation step by step. The course is divided into three key modules, each crafted to enhance your understanding and hands-on skills in Java and JavaScript.
1. JavaScript Basics from Scratch
Begin your journey into programming by mastering the fundamentals of JavaScript. This module covers variables, data types, operators, strings, conditionals, loops, arrays, objects, and functions. You'll also get practice questions to test your learning along the way.
2. Core Java Basics
This module dives deeper into Java programming. You'll learn about variables, data types, IDE usage, arrays, strings, casting, conditionals, loops, functions, and debugging techniques. Practice exercises are included to help reinforce your understanding.
3. Advanced JavaScript for All
Take your skills to the next level with advanced JavaScript concepts like prototypes, scopes, classes, modules, callbacks, and asynchronous programming. It's recommended that you complete the basics before moving to this module.
You’ll gain job-ready skills with expert-led content, practical exercises, and mentor support by dedicating just six weeks. Start learning with upGrad for free and set your career in motion with real-world coding skills.
Learning Java can open the door to numerous career opportunities across various industries. As one of the most widely used programming languages, Java skills are in high demand, and with the right certification, you can open doors to exciting roles in the tech world.
By completing a free Java course with a certificate, you’ll gain programming skills and the confidence to apply them to real-world projects. If you’re exploring career opportunities in tech, a Java free certification course is an excellent way to start.
Here are some career paths you can pursue after completing a Java course:
Career Path | Role Description | Key Skills Required | Average Salary (₹) |
Java Developer | Develop and maintain Java applications | Java, OOP, Database Integration | ₹5L/yr |
Software Engineer | Design and implement software systems | Java, Problem Solving, Algorithm Design | ₹8L/yr |
Backend Developer | Work on the server side of web applications | Java, Spring Framework, SQL | ₹6L/yr |
Full-Stack Developer | Develop both client and server-side applications | Java, HTML/CSS, JavaScript, Databases | ₹6L/yr |
Android Developer | Build Android mobile applications | Java, Android SDK, XML, UI/UX Design | ₹6L/yr |
Java Architect | Design complex Java-based applications | Java, System Design, Enterprise Solutions | ₹21.5L/yr |
DevOps Engineer | Combine software development with IT operations | Java, Cloud Platforms, Automation Tools | ₹8L/yr |
Java QA Engineer | Test and validate Java applications | Java, Selenium, Unit Testing | ₹6L/yr |
Database Administrator (DBA) | Manage and optimize databases | SQL, Java, Database Management Systems | ₹8L/yr |
Cloud Engineer | Work on cloud-based applications and infrastructure | Java, AWS/Azure, Cloud Services | ₹7L/yr |
Technical Lead/Project Manager | Lead development teams, manage projects | Java, Leadership, Project Management | ₹1L/mo |
Data Scientist | Analyze complex datasets and build data models | Java, Data Analysis, Machine Learning | ₹12.0L/yr |
After completing a free Java course with a certificate, you’ll be well-equipped to explore these career paths and stand out in the competitive tech industry. Whether you're interested in backend development or cloud engineering, Java offers the flexibility to specialize in areas that align with your career goals.
Remember, it's not just about coding—it's about problem-solving and continuously learning new tools and technologies. So, if you’re ready to take that next step, start your journey with a free Java certification course and unlock these exciting career opportunities.
If you are interested in a career in software development, taking a free online Java course is a great place to start. Sign up for a free Java course with a certificate or a full tutorial on Java from upGrad . The skills you acquire will be helpful in many other fields, including data science, mobile app development, and backend programming.
Some tips to help you get started with Java: Begin by mastering the basics, such as Java syntax, object-oriented programming, arrays, and loops. Practice coding regularly to strengthen your understanding. Apply your skills by building small projects, and stay connected by joining Java communities and forums for support and learning from others.
If you want to gain expertise in programming languages, the following additional courses from upGrad can help you.
If you're ready to take the next step in your career, connect with upGrad’s career counseling for personalized guidance. You can also visit a nearby upGrad center for hands-on training to enhance your digital marketing skills and open new career opportunities!
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