Here's how to make classes, fields, methods, constructors, and objects work together in your Java programs.

In Classes and objects in Java, you learned how to declare static fields and static methods as members of a class, and in Class and object initialization in Java, you learned how to declare static ...

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

If you want to master functional programming, the best place to start is with the Java Function interface. This example will show you four different ways to implement this functional interface in your ...

Sealed classes in Java let developers limit the creation and use of subclasses and preserve the class hierarchy. Here is how sealed classes in Java work.

What does object-oriented programming actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

Reference objects aren't just useful when memory is at a premium; they can also be used to provide slick caching abilities to any application.