Java Free Online Course with Certification [2022]

The PYPL Popularity of Programming Language Index maintains that Java is the second most popular programming language in the world, after Python. 

Although the programming world is fast-evolving, Java has remained a constant in the programming and software development world ever since its inception. It has evolved and upgraded continually to keep pace with the changing software development needs. 

What is Java?

James Gosling at Sun Microsystems developed and launched Java way back in 1995. It is a general-purpose, class-based OOP programming language that is designed to have minimal implementation dependencies. Java’s syntax is primarily based on C and C++. This allows developers to create stable, secure, and resilient applications that can run on multiple platforms, including Mac, Linux, and Windows operating systems.

The best part about coding in Java is that it follows the WORA (write once, run anywhere) principle. Thus, once you compile a Java code, it can run on all platforms that support Java – you don’t need to recompile it. 

Java is a versatile programming language as it drives innovation and reduces time and costs significantly. Today, Java is the chosen language for IoT applications, enterprise applications, cloud computing, desktop GUI applications, web apps, mobile apps, embedded systems, Big Data systems, and AI applications.

Enroll in Software development Courses from the World’s top Universities. Earn Executive PG Programs, Advanced Certificate Programs, or Masters Programs to fast-track your career.

Why Learn Java?

If you’re still wondering why to learn Java, here are five reasons why you should:

  1. It is extremely popular and commands a high salary

According to GitHub, Java is used by over 9 million developers worldwide, making it one of the most popular programming languages. Thanks to its diverse and multiple use cases, Java is always in high demand in the market. Consequently, companies readily pay high annual packages to hire experienced and qualified Java developers. Learn more about java developer salary in India

  1. It is a versatile OOP language

Java is an OOP language, meaning it includes the core OOP concepts like objects, classes, inheritance, encapsulation, and polymorphism. It is a platform-independent language, which means that Java is compatible with multiple platforms – you can run a bytecode on any hardware featuring a compliant JVM. It is a versatile language because it supports dynamic coding, stores the code in an OOP format, and is highly secure.

  1. It comes with powerful tools

One of the most exciting things about learning and using Java is that it comes with a host of tools to help make software development smooth and seamless. Java libraries like java.lang, java.util,, JHipster, Maven, Guava, etc., and IDEs like Eclipse, NetBeans, and IntelliJ IDEA, expand the functionality of Java significantly. Thanks to these nifty tools, tasks like debugging, automated refactoring, syntax highlighting, etc., become much more manageable. Learn more about Java frameworks.

  1. It has excellent documentation

Javadoc is the documentation generator for Java, and it uses the Java source code to generate API documentation in HTML format. By doing so, Javadoc ensures that Java code has excellent and easy-to-understand references, thereby allowing users to grasp Java code pretty easily.

  1. A large community backs it

Java boasts of having a large online community of Java developers and users of all levels beginner, advanced, and expert). So, if ever you get stuck while working on a Java project, you can always reach out to the Java community for help. 

Learn Java Online: The upGrad advantage

With the pandemic still raging, the best course of action is to learn Java online. There are plenty of self-paced introductory Java courses and professional certificate Java courses that aim to teach candidates basic and advanced Java programming skills and groom them for the job world.

After completing a Java certification program, you can bag promising job roles like Java Developer, Java Engineer, Java Analyst, Android Developer, Big Data Engineer, etc.

If you’re looking for a free Java course, you can check out our Java Courses on upgGrad Free Courses

upGrad Free Courses is upGrad’s free learning ecosystem designed exclusively to help aspirants develop relevant and trending industry skills to stay ahead of the competitive curve. As a part of this initiative, you can choose the free Java course and enjoy perks like one-on-one mentorship, top-notch content and learning resources and a certificate of completion – all free of cost!

upGrad’s Priceless Learning initiative will not only help you fast track your career growth, but it will also help you upskill within six weeks. 

Below are the list of courses available in Java:

  1. Javascript Basics from Scratch
  2. Core Java Basics
  3. Advanced Javascript for all

Let now look at the course content: 

  1. Javascript Basics from Scratch

In this course you’ll set off on your path to becoming a JavaScript developer. You will learn about the basics of JavaScript language in this module, and slowly move on to understanding how to program in this language in general. You’ll also be learning about basic JavaScript concepts like variables, Data types, conditions, loops, arrays, objects, and functions.

2. Core Java Basics 

In this course you’ll be learning in depth about Variables, Data Types, loops, conditionals and functions and develop skills to solve problems using these.

3. Advanced Javascript for All

In this course you’ll be learning the intermediate and advanced javascript concepts. You’ll get insights on function prototypes, scopes, classes, templates, modules import and export, callbacks, and async. Since this is an advanced course, we recommend that you complete the Basic JavaScript course before starting this one.

When you choose to upskill with upGrad, you will enjoy a multitude of benefits. As always, upGrad free courses are taught by best-in-class instructors and industry leaders. Furthermore, you will also engage in interactive sessions with mentors and instructors. So, if you wish to acquire Java skills, all you need to devote is six weeks with upGrad, and by the end of the course, you will be ready for the job market!

How to Start

To join our Java courses for free, follow these simple steps:

All the courses present on our upGrad Free Courses page are available for free and don’t require any monetary investment. These courses help you kickstart your learning journey and get acquainted with the fundamentals of such complicated subjects.

Sign up here to join these courses today.

If you have any questions or suggestions, please let us know through the comments. We’d love to hear from you.

If you’re interested to learn more about Java, full-stack development, check out upGrad & IIIT-B’s Executive PG Program in Full-stack Software 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.

Another coveted opportunity to get certified in Machine Learning is through IIT Delhi and upGrad’s 7-months Advanced Certificate Programme in Machine Learning. The course is designed for freshers and mid-level managers with a minimum of 1 to 10 years of experience in the field, and senior executives with over a decade of experience looking to develop knowledge of underlying mathematics in machine learning, optimization techniques, and evaluation metrics. Candidates require a minimum of a bachelor’s degree with 50% passing marks in Engineering, Science or Commerce to apply at one of the premier educational institutes in India. The industry-relevant course comprises 20 live sessions, 92 hours of learning, and 3 assignments designed to build practical skills in machine learning.

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