We showcase some of the best online courses to learn software development and computer programming with Java. Learn more about Java coding.

With over 70 hours of training, this bundle includes four in-depth courses that walk you through core Java, version control, multithreading, and Java SE 21 exam prep.

Need to learn Apache Maven fast? This crash course Maven tutorial will quickly get you up to speed on the popular, open-source, Java build tool.

Java also lets you nest interfaces in interfaces and classes in interfaces. Check out this article on nested interfaces to learn about this strange but occasionally useful Java language feature.