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

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 ...

However, they must contain a main method that can be launched, a requirement enforced by the Java compiler. This new feature allows developers to write programs without explicit class declarations.

Compact source files and instance main methods evolves the Java language so beginners can write their first programs without needing to understand language features designed for large programs.

The first seven posts of my series of dealing with too many parameters expected in Java methods focused on alternative approaches to reduce the number of parameters a method or constructor expects ...