Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This Java tutorial teaches you how to declare classes, describe attributes via fields ...

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

The more familiar you are with Object and its methods, the more you can do with your Java programs.

Class Library and Application Framework Implementation Once the design of the class library/application framework has been established and reviewed (typically through a peer-review process), the ...

Learn how Remote Method Invocation (RMI), an application programming interface for Java, preserves the object model and its advantages across a network.

A comparator is an object of a class that implements the Comparator interface, which defines methods that allow you to compare two objects to sort them.