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

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.

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 ...

Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs.

Use Java's packages and static imports to organize top-level types and simplify access to their static members.