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

Here's how to make classes, fields, methods, constructors, and objects work together in your Java programs.

Reference objects aren't just useful when memory is at a premium; they can also be used to provide slick caching abilities to any application.

The sample scenarios (or programs, if you will), allow students to interact with a variety of objects, modify classes, and see the results of changing methods easily through the IDE.

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