1.1 Introduction
Welcome to Java—the world’s most widely used computer programming language. You’re already familiar with the powerful tasks computers perform. Using this textbook, you’ll write instructions commanding computers to perform those kinds of tasks. Software (i.e., the instructions you write) controls hardware (i.e., computers).
You’ll learn object-oriented programming—today’s key programming methodology. You’ll create and work with many software objects in this text.
Java is the preferred language for meeting many organizations’ enterprise programming needs. Java has also become the language of choice for implementing Internet-based applications and software for devices that communicate over a network.
In use today are more than ...
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