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

In response to my recent blog posting Immutable Java Objects, Matt brought up a good point of discussion related to making Java classes truly immutable by declaring them as final so that they ...

Create a class that extends JWindow. Load an image and display this in the window. The easiest way to display an image is to set it to a JLabel and add the JLabel to the window There are multiple ...

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.

If you want to master functional programming, the best place to start is with the Java Function interface. This example will show you four different ways to implement this functional interface in your ...

Two facilities included in the java.io.File class since JDK 1.2 will help. The first facility, creating temporary files, frees us from choosing some temporary name for our source file and class.