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

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

This post explains how to call a method in Java. Learn how to define methods, call them from other classes, and pass arguments!

The former method is executed by default methods a() and b(), and the latter method is executed by static method d(). Compile Listing 21 (javac PMDemo.java) and run the application (java PMDemo).

Hiding Java method deprecation problems There are plenty of deprecated methods in Java, and there’s nothing stopping you from calling them. Sure, a yellow yield sign might appear in the line-number ...

Project Amber has brought a number of new features to Java in recent years. While each of these features is self-contained, they are also designed to work together, enabling data-oriented programming.