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

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

The Java Platform Module System (JPMS) is a code-level structure, so it doesn’t change the fact that we package Java into JAR files. Ultimately, everything is still bundled together in JAR files.

The release of Java SE 15 in Sept 2020 will introduce "sealed classes" (JEP 360) as a preview feature. A sealed class is a class or interface which restricts which other classes or interfaces may ...