Free Java Certification Courses in 2026

If you’re looking for a free Java certification course, 2026 offers plenty of options to help you start or advance your programming journey. These courses give you practical coding skills and an java online course free with certificate, making it easier to showcase your knowledge to employers. 

 Whether you want a java free certification course to begin from scratch or upgrade your existing skills, this blog lists the top 5 courses that can help you build a strong foundation in Java and open new career opportunities. 

Want to strengthen your Data Science skills? upGrad’s Data Science Courses help you work with real datasets, build models, and apply analytics used by industry teams. Enroll today and move forward with practical skills for data-driven roles. 

Top 5 Free Java Certifications Course in 2026 

If you're thinking about leveling up your career with Java, there are some great and Free Java Certifications Course 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. 

Take Your Java Expertise to the Next Level with AI & ML! Pair your Java foundation with in-demand AI skills through these top programs: 

• Executive Diploma in Machine Learning and AI with IIITB 
• Masters in Artificial Intelligence and Machine Learning– LJMU 
• Master’s Degree in Artificial Intelligence and Data Science- O.P.Jindal Global University 

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	Java Object-Oriented Programming – Free Certification
upGrad	Core Java Course
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. 

1. Core Java Basics – Free Certification Course by upGrad 

The Core Java Basics course is a beginner-friendly free Java certification course that helps you build a strong programming foundation. By the end of this course, you’ll be ready to write clean and efficient Java code. 

Key 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 Take This Course? 

• Beginners starting with Java 
• Students learning programming basics 
• Aspiring developers preparing for advanced Java or full stack 
• Professionals switching to Java or preparing for tech interviews 

Also Read: Java Language History: Why Java Is So Popular and Widely Used Today 

2. Core Java Course – by upGrad 

This free Java certification course by upGrad builds a solid foundation in programming with core Java concepts like syntax, object-oriented programming, platform independence (WORA), and real-world applications. 

Key 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 Take This Course? 

• Beginners starting Java development 
• Students building fundamentals before advanced/full stack 
• Professionals from non-tech backgrounds entering software 
• Developers in related fields (automation, data) needing Java basics 

Also Read: 50 Java Projects With Source Code in 2026: From Beginner to Advanced 

3. Java Object-Oriented Programming – Free Certification Course by upGrad 

The Java Object-Oriented Programming course by upGrad is a free certification designed to teach the core OOP principles in Java.  The course helps you write modular, scalable, and maintainable code, useful for projects, interviews, and backend or full stack development. 

Key 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.

Also Read: Java Classes and Objects 

Who Should Take This Free Certification? 

• Beginners – Start coding in Java with zero prior experience. 
• Students – Strengthen Java OOP knowledge for labs and projects. 
• Aspiring Java Developers – Learn to write clean, reusable, structured code. 
• Career Switchers – Build Java skills for backend or full stack roles. 
• Working Professionals – Refresh or upskill your Java knowledge. 

Also Read: How to Become a Full Stack Developer in 2026? 8 Steps, Skills, and Careers 

Get a Comprehensive Overview of Data Science  Certification from upGrad.  

4. Object-Oriented Programming in Java – by IBM  

The IBM Object-Oriented Programming in Java course is a beginner-friendly learning path to help you build Java skills in just three hours. By the end of this course, you’ll be ready to apply OOP principles to real Java applications. 

Key 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 Take This Certification? 

• Beginners – Start coding in Java with no prior experience. 
• Aspiring Developers – Build a strong OOP foundation for future projects. 
• Students & Professionals – Strengthen Java knowledge for academics or work. 
• Anyone Interested in Java – Learn to apply Java to real-world problems. 

Also Read: What are the Types of Inheritance in Java? Examples and Tips to Master Inheritance 

5. Oracle Java Training and Certification 

The Oracle Java Training and Certification program is an industry-recognized pathway for mastering Java and Oracle technologies. It validates your ability to build secure, scalable, and high-performance applications.  

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 Take This Certification? 

• Java Developers – Targeting enterprise-level or cloud roles. 
• Oracle Professionals – Working with Oracle Cloud and Java enterprise apps. 
• IT Professionals – Upskilling in Oracle tools and backend development. 
• Developers – Preparing for advanced Oracle Java certifications. 

If you're interested in a free programming certification, take a look at the other courses available on upGrad’s  Free Courses platform. 

Why Learn Java in 2026? 

There are numerous reasons to learn Java at present. Let's see some major reasons:

Universal Use: 
Java powers millions of applications, from mobile apps and web platforms to enterprise-grade systems. A free Java certification course can help you start learning this versatile language, which is widely used in Android development, e-commerce apps, and large-scale IT solutions. 

High Demand Across Industries:
Companies in finance, e-commerce, healthcare, and IT continue to seek professionals skilled in Java. Completing a Java online course free adds value to your resume and makes you job ready. 

Versatile Skillset: 
By learning Java through a free certification course, you gain expertise in: 

• Object-Oriented Programming (OOP) 
• Backend and server-side development 
• Mobile app development for Android 
• Working with APIs, databases, and frameworks like Spring 

Career Opportunities: 
Roles such as Java Developer, Backend Engineer, Software Engineer, and Android Developer remain in high demand in 2026. A recognized free Java certification course can give you an edge for these roles. 

Also Read: Careers in Java: How to Make a Successful Career in Java in 2026 

Future-Proof Choice: 
Java continues to evolve with strong community support, frequent updates, and compatibility with modern technologies like cloud computing, big data, and microservices. Enrolling in a Java online course free with certificate ensures you gain skills relevant for today and tomorrow. 

Benefits of a Free Java Certification Course 

Explore the benefits of a free Java certification course and see how it can boost your skills, career opportunities, and confidence in programming. 

• Gain Job-Ready Programming Skills 
  A free Java certification course equips you with practical Java skills that employers look for. You’ll learn core Java concepts, object-oriented programming, and backend development, making you ready for real-world projects and coding challenges. 

Also Read: Top 10 Java Frameworks Powering Modern Application Development 

• Earn a Recognized Certificate 
  Completing a Java online course allows you to showcase your achievement on LinkedIn, resumes, and portfolios. This certificate validates your skills to recruiters and hiring managers. 
• Build a Strong Foundation for Advanced Roles 
  A Java free certification course lays the groundwork for careers in backend development, full stack development, Android development, and enterprise software engineering. It also helps you smoothly transition into advanced Java courses or professional certifications. 
• Upskill Without Financial Investment 
  Learning Java through a free Java certification course lets you acquire valuable programming knowledge without spending money. It’s ideal for students, career switchers, and professionals looking to enhance their tech skills affordably. 
• Learn at Your Own Pace 
  Most Java online courses free with certificate offer flexible, self-paced modules. You can progress according to your schedule, revisit lessons, and practice coding exercises, making learning convenient and effective. 

Also Read: Java Full Stack Developer Roadmap For 2026: Beginner Guide 

Top Career Paths After a Java Course 

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. 

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. 

Wrapping Up! 

A free Java certification course helps you learn core Java, OOP, and backend skills while earning a valid certificate. These Java online courses free with certificate boost your resume and prepare you for roles like Java Developer or Full-Stack Developer. Start learning today and strengthen your programming foundation. 

If you want to gain expertise in programming languages, the following additional courses from upGrad can help you.  

• Fundamentals of Deep Learning & Neural Networks (Free Course) 
• JavaScript Basics from Scratch 
• Data Structures & Algorithms 

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! 

References:

• https://www.pluralsight.com/resources/blog/upskilling/top-programming-languages-2026