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

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.

Java 8 introduced interface-based static methods because it’s often convenient to associate utility methods with interfaces instead of associating them with utility classes.

Java’s main function Java’s main method is composed of six terms — three reserved words, the main method name, a reference type and a variable name: public – Java’s main function requires a public ...

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