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

After changing to JDK 5.0, the static lock disappeared. Using lock free data structure in Java SE 5.0 The "synchronized" keyword in Java is simply a relatively coarse-grained coordination mechanism, ...

This post explains how to use variables in Java. Learn the primitive types (and what that means) and just why variables are so important for any coding!