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.

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.

Here's a quick look at the three types of class loaders and everything you need to know to work with them in your Java programs.

There is a reason why Java method modifiers exist. If you call public methods internally and don't understand why, your developers could face major class issues.

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

Class – Everything in Java is associated with classes and objects. Being a user-defined blueprint, a class in simple terms represents the data structure which is used again and again.