In a previous Java 101 tutorial, you learned how to better organize your code by declaring reference types (also known as classes and interfaces) as members of other reference types and blocks.

For 2018, our most popular articles were Java developer tutorials on new APIs, frameworks such as Spring or the tools and techniques server-side developers use to move code into production. Here is ...

Functional supplier interface in Java tutorial There are only half a dozen classes you really need to master to become competent in the world of functional programming. The java.util.function package ...

This free tutorial is a rundown of the basics of Java syntax, comments, variables, loops, arrays and more. You’ll be able to practice basic Java exercises and take quizzes to test your knowledge.

For decades, Java has been the enterprise world's go-to programming language—the reliable, if somewhat verbose, workhorse powering everything from banking systems to e-commerce platforms. But when the ...

This tutorial has been a general introduction to JPA. We’ve reviewed JPA as a standard for ORM in Java and looked at how entities, relationships, and the EntityManager work together in your Java ...

Which version of Java should you use in Linux? Learn how to easily switch between different versions with a tutorial from Jack Wallen.