Basics of Java

In Java, the most basic element is object. Classes describe the behavior of these objects. Most useful programs dont just manipulate numbers and strings. But they manipulate objects of the classes to get the work done.
Consider the following links:
a) The Form of Programs
b) Classes and Their Implementation
n) or next to More on Variables and data types
r) or back to Java History and Overview
x) or out to Java Foyer

The Form of Programs
Classes and Their Implementation
More on Variables and Data Types
Java History and Overview
Java Foyer