Use Java assertions to test your assumptions about program correctness and check them in your code.

Using generics results in more robust code and avoids ClassCastExceptions in your Java programs. This in-depth tutorial introduces you to generics and their types and methods.

This post explains how to use classes in Java to build objects and organize your code. Also learn: constructors, static methods, and more!

There is a reason why Java method modifiers exist. If you call public methods internally and don't understand why, your developers could face major class issues.

In fact, you don’t even have to code your Java into a file. JShell can execute lines of Java code directly on the command line. Java without a main method Historically, Java devs have had to code a ...