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.

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's default constructor lets developers create instances of classes when an explicitly defined constructor does not exist. Here's how it works.