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

Here's everything you need to know about initializing Java classes and objects before executing them in the JVM.

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

Java currently supports only two types of value: primitives and object references. Project Valhalla extends this by introducing inline classes which are a new form of type that exhibit some ...

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 is the single responsibility principle? The single responsibility principle in Java demands that a class serves a single, clear purpose. Any attempt to add peripheral functionality to a ...