G.1. Introduction

The Java class library contains thousands of predefined classes and interfaces that programmers can use to write their own applications. These classes are grouped into packages based on their functionality. For example, the classes and interfaces used for file processing are grouped into the java.io package, and the classes and interfaces for networking applications are grouped into the java.net package. The Java API documentation lists the public and protected members of each class and the public members of each interface in the Java class library. The documentation overviews all the classes and interfaces, summarizes their members (i.e., the fields, constructors and methods of classes, and the fields and methods of interfaces) and provides detailed descriptions of each member. Most Java programmers rely on this documentation when writing programs. Normally, programmers would search the API to find the following:

  1. The package that contains a particular class or interface.
  2. Relationships between a particular class or interface and other classes and interfaces.
  3. Class or interface constantsnormally declared as public static final fields.
  4. Constructors to determine how an object of the class can be initialized.
  5. The methods of a class to determine whether they are static or non-static, the number and types of the arguments you need to pass, the return types and any exceptions that might be thrown from the method.

In addition, programmers often rely on the documentation to discover classes and interfaces that they have not used before. For this reason, we demonstrate the documentation with classes you know and classes you may not have studied yet. We show how to use the documentation to locate the information you need to use a class or interface effectively.

[Note: Sun Microsystems has renamed the Java 2 Platform, Standard Edition version 1.5.0 to Java 2 Platform, Standard Edition version 5.0. However, they decided not to replace the occurrences of 1.5.0 with 5.0 in the documentation. Although the URLs that represent the documentation on Sun's Java Web site work with 5.0 in the URL, these URLs are redirected to ones that replace the 5.0 with 1.5.0. For this reason, all URLs in this appendix are listed with 1.5.0 in the URL.]

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

Arrays

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

Recursion

Searching and Sorting

Data Structures

Generics

Collections

Introduction to Java Applets

Multimedia: Applets and Applications

GUI Components: Part 2

Multithreading

Networking

Accessing Databases with JDBC

Servlets

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



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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