376 Best + Free Java Courses & Certificates [2026]

A 136-hour, 739-lecture Java course from Tim Buchalka, refreshed in August 2026, that nearly a million students have used to go from zero to solid core Java.

Best for: People who want one long, structured Java course with 50 coding exercises and are prepared to spend months on it.

A calm 16-hour Java introduction from John Purcell that 1.9 million students have used to write their first programs, with no exercises and some dated recordings.

Best for: Complete beginners who want a short, plain Java walkthrough before committing to a 100-hour bootcamp.

Roughly 306,000 students have taken this route from a Spring Boot REST API to Spring Cloud, Docker and Kubernetes, in about 23 hours of typing along with Ranga Karanam.

Best for: Java developers who know Spring basics and want one structured path through REST APIs, Spring Cloud, Docker and Kubernetes.

A free 90 minute Chad Darby walkthrough of connecting Java to MySQL with JDBC, from basic queries and prepared statements to stored procedures and BLOBs.

Best for: Java developers who know the basics and need the MySQL connection layer explained in one sitting.

A 60-hour, exercise-heavy Java starter that begins in JShell and Eclipse and builds up to collections and functional programming for people who have never coded.

Best for: Complete beginners who learn by typing code and want a set of exercises after nearly every topic.

A 55-hour Telusko path that teaches Core Java first, then Spring Boot, JPA, Security and JWT, with the instructor's habit of explaining why, not just how, behind its 45,700 ratings.

Best for: Complete beginners who want Java and Spring Boot taught from zero in one patient, story-style course.

A 61 hour walk through Core Java from syntax to Swing and JavaFX, taught by Abdul Bari, whose breakdowns of tricky concepts keep coming up in the reviews.

Best for: Beginner to intermediate coders who want every core Java topic explained slowly, in order.