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

In Java, nested classes are categorized as either static member classes or inner classes. Inner classes are non-static member classes, local classes, or anonymous classes.

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

The entry point of a standalone Java application is the main method or function. In the age of Servlets and JSPs, Java’s main function took a backseat to these technologies that were initialized with ...