In Java, nested classes are categorized as either static member classes or inner classes. Inner classes are non-static member classes, local classes, or anonymous classes.

Here's everything you need to know about initializing Java classes and objects before executing them in the JVM.

Java's default constructor lets developers create instances of classes when an explicitly defined constructor does not exist. Here's how it works.

In Java an array is a way of storing multiple items of the same type. In this quick tutorial we introduce you to the very basics.