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

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

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.