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

Static classes in Java. ... Formally known as static member classes, these are nested classes that you declare at the same level as these other static entities, using the static keyword.

See the Java 101 Java interfaces tutorial for a more in-depth introduction to using interfaces in your Java programs, including where and where not to use default, static, and private methods.

According to the Java Enhancement Proposal 445: …these changes allow us to write Hello, World! with no access modifiers, no static modifiers, and no String[] parameter, so the introduction of these ...

Sealed classes make Java an even more powerful and expressive language and set the stage for even more sophisticated techniques such as pattern matching, which we'll explore in a subsequent article. A ...