The 5 best Java courses in 2026
We compared 5 Java courses across 2 providers and ranked the top 5 by learner ratings and enrollment. Updated automatically as ratings and catalogs change.
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Unlock reliable Java testing with our "Introduction to JUnit" course. Designed for students, junior developers, and QA testers who want to improve code quality and confidence, this course provides the essential foundations and practical tools of unit testing using JUnit 4 and JUnit 5. From understanding why unit tests matter to setting up JUnit, organizing tests, and integrating with build and CI tools, you’ll gain the skills to deliver maintainable, bug-resistant software. With real-world examples, actionable patterns, and hands-on tools like assertions, exception testing, parameterized test
"Microservices" describes a software design pattern in which an application is a collection of loosely coupled services. These services are fine-grained, and can be individually maintained and scaled. The microservices architecture is ideal for the public cloud, with its focus on elastic scaling with on-demand resources. In this course, you will learn how to build Java applications using Spring Boot and Spring Cloud on Google Cloud. You'll use Spring Cloud Config to manage your application's configuration. You'll send and receive messages with Pub/Sub and Spring Integration. You'll also use
Comprehensive Java course covering core syntax, OOP, collections, and modern Java features.
Automation testing with Selenium WebDriver, Java, TestNG, and frameworks.
Build enterprise Java applications with Spring Boot, Spring MVC, REST APIs, and Hibernate.
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Quick comparison
| # | Course | Provider | Rating | Duration | Price |
|---|---|---|---|---|---|
| 01 | Introduction to JUnit | Coursera | — | 5h | Subscription |
| 02 | Building Scalable Java Microservices with Spring Boot and Spring Cloud | Coursera | — | 8h | Subscription |
| 03 | Java Programming Masterclass | Udemy | 4.6 | 135h | $139.99 |
| 04 | Selenium WebDriver with Java - Basics to Advanced | Udemy | 4.6 | 55h | $129.99 |
| 05 | Spring Boot 3, Spring 6 & Hibernate for Beginners | Udemy | 4.6 | 34h | $129.99 |