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 ...

How to Make Random Images Appear in Java. The Java "Random" class lets you generate a random number for your Java apps. You use this number generator to randomize images shown in your apps.

You must create a timer class instance to use the timer's functions. Add the following code to the Java file:timer = new Timer (countdown, this);Notice the "countdown" variable is used.

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 lambda expression benefits If you haven’t used lambda expressions before, you might be wondering what the fuss is all about. After all, at the most basic level, a lambda expression is nothing ...

To effectively use Unified Modeling Language when developing Java applications, developers must have a thorough understanding of the UML elements and how these elements map to Java.

Here are six tips for making the most of flying business class, plus how to fly for free.