Java interfaces are different from classes, and it’s important to know how to use their special properties in your Java programs. This tutorial introduces the difference between classes and ...

If you’ve read my Java 101 tutorial introducing static classes and inner classes, you should be familiar with the basics of working with nested classes in Java code. In this Java tip, you’ll ...

For Java programmers, CHARVA provides a set of Java classes and a native library to code TUIs. What's more, the CHARVA classes are almost the same as the Swing and AWT classes (used for writing ...

Code that wants to use the interface methods can declare an object of the interface type, get one from somewhere (often people write Factory classes to do this) and call the interface methods ...

There are benefits and drawbacks to Java's Iterator vs. ListIterator interface. Learn how to make the right choice when you choose between them.

1. The Java compiler: javac The javac utility is the most important command-line interface (CLI) tool you will find in the JDK's bin directory. This is the Java compiler, and whether you use Maven, ...