Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...

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.

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

Say goodbye to the public static void main method in Java 21 with the unnamed classes and instance main methods preview features.