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

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

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 ...

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.

What is the single responsibility principle? The single responsibility principle in Java demands that a class serves a single, clear purpose. Any attempt to add peripheral functionality to a ...

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 ...