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

Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs.

When compiling class initializers and class initialization blocks, the Java compiler stores the compiled bytecode (in top-down order) in a special method named <clinit>().

The Java object serialization example source code. The full code for this Java serialization tutorial is below. This is code uses a single public class and two non-public classes, all of which can be ...

The core of Java serialization lies in the ObjectOutputStream and ObjectInputStream classes. These streams provide methods to write and read objects. Here’s a simple example of serializing an ...

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 ...