Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...

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.

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

All classes in Java TM technology are directly or indirectly derived from the Object class. Some of the subclasses of Object class are - Boolean, Number, Void, Math, String, StringBuffer etc. Some of ...

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.

He has led software development projects to build enterprise-class software applications and has extensive experience with Java and Perl. He is the author of several Java books, including one called ...

At his personal blog Webmink, Sun's chief open source officer, Simon Phipps, complained Sunday that Google is not supporting all Java classes in its App Engine. He even linked to Google's list of ...