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

Here's what you need to know about object-oriented programming with classes, methods, objects, and interfaces, with examples in Java, Python, and TypeScript.

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

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

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.

Many Java developers are learning TypeScript. Here are the five differences between Java and TypeScript that developers need to know.