Java, Java, Java
3. Computers, Objects, and Java
OBJECTIVES
After studying this chapter, you will
Understand basic computer terminology that will be used throughout the book.
Become familiar with the notion of programming.
Understand why Java is a good introductory programming language.
Become familiar with Java objects and classes.
Know some of the principles of the object-oriented programming approach.
OUTLINE
Welcome
What Is a Computer?
Special Topic: Processors Then and Now
Networks, the Internet and the World Wide Web
Why Study Programming?
Programming Languages
Why Java?
What Is Object-Oriented Programming?
Chapter Summary Exercises
1
Figure 1: A diagram of the main functional components in a com- puter system. The arrows indicate the flow of information between various components.