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.

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

A public method should never be called by another public method within the same class hierarchy. It should only be called by other classes via the classes' public interface. Class calls might not be ...

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

Developers who create a runnable Java class, be it for a ‘Hello World’ demonstration or to kick off a fully featured enterprise application, will enjoy the following technical benefits when using ...

Using the walk () method in Java 8 and onwards This programming tutorial will demonstrate how to utilize each of the above techniques to navigate a directory structure in Java.