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

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

In Java, nested classes are categorized as either static member classes or inner classes. Inner classes are non-static member classes, local classes, or anonymous classes.

Benefits of unnamed classes and instance main methods Instance main methods and unnamed classes, coming in Java 21, will forever change how developers learn Java and bootstrap applications. Why? They ...

Sealed classes in Java let developers limit the creation and use of subclasses and preserve the class hierarchy. Here is how sealed classes in Java work.

Java tutorial for beginners part 3 - Importing classes, try blocks and more! In part 3 of this series we'll learn how to import additional classes and use try blocks and maps.

Reference objects aren't just useful when memory is at a premium; they can also be used to provide slick caching abilities to any application.