We introduced the basic terminology and concepts of object-oriented programming in Section 1.16. In Chapter 2, you began to use those concepts to create simple applications that displayed messages to the user, obtained information from the user, performed calculations and made decisions. One common feature of every application in Chapter 2 was that all the statements that performed tasks were located in method main. Typically, the applications you develop in this book will consist of two or more classes, each containing one or more methods. If you become part of a development team in industry, you might work on applications that contain hundreds, or even thousands, of classes. In this chapter, we present a simple framework for organizing object-oriented applications in Java.

First, we motivate the notion of classes with a real-world example. Then we present five complete working applications to demonstrate creating and using your own classes. The first four of these examples begin our case study on developing a grade-book class that instructors can use to maintain student test scores. This case study is enhanced over the next several chapters, culminating with the version presented in Chapter 7, Arrays. The last example in the chapter introduces floating-point numbersthat is, numbers containing decimal points, such as 0.0345, 7.23 and 100.7in the context of a bank account class that maintains a customer's balance.

Introduction to Computers, the Internet and the World Wide Web

Introduction to Java Applications

Introduction to Classes and Objects

Control Statements: Part I

Control Statements: Part 2

Methods: A Deeper Look


Classes and Objects: A Deeper Look

Object-Oriented Programming: Inheritance

Object-Oriented Programming: Polymorphism

GUI Components: Part 1

Graphics and Java 2D™

Exception Handling

Files and Streams


Searching and Sorting

Data Structures



Introduction to Java Applets

Multimedia: Applets and Applications

GUI Components: Part 2



Accessing Databases with JDBC


JavaServer Pages (JSP)

Formatted Output

Strings, Characters and Regular Expressions

Appendix A. Operator Precedence Chart

Appendix B. ASCII Character Set

Appendix C. Keywords and Reserved Words

Appendix D. Primitive Types

Appendix E. (On CD) Number Systems

Appendix F. (On CD) Unicode®

Appendix G. Using the Java API Documentation

Appendix H. (On CD) Creating Documentation with javadoc

Appendix I. (On CD) Bit Manipulation

Appendix J. (On CD) ATM Case Study Code

Appendix K. (On CD) Labeled break and continue Statements

Appendix L. (On CD) UML 2: Additional Diagram Types

Appendix M. (On CD) Design Patterns

Appendix N. Using the Debugger

Inside Back Cover

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Java(c) How to Program
Java How to Program (6th Edition) (How to Program (Deitel))
ISBN: 0131483986
EAN: 2147483647
Year: 2003
Pages: 615
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