SAMS Teach Yourself Programming with Java in 24 Hours potx

SAMS Teach YourselfProgramming with Java in 24Hours, FOURTH EDITIONTable of Contents Copyright About the Author Acknowledgments Reader Acknowledgements... What You Need to WriteProgramsC

SAMS Teach Yourself

Programming with Java in 24Hours, FOURTH EDITIONTable of Contents

Copyright

About the Author

Acknowledgments

Reader Acknowledgements

We Want to Hear from You!Reader Services

How Programs Don't WorkNext Stop: Java

Workshop: Installing a JavaDevelopment Tool

What You Need to WritePrograms

Creating the Saluton ProgramStoring Information in aVariable

Saving the Finished ProductCompiling the Program into aClass File

Fixing Errors

Workshop: Running a Java

Watching the Skies at NASA

Getting Down to BusinessStopping by Gamelan to AskDirections

Workshop: Venturing intoAnother World

Java Programs Work

Summary

Q&A

Naming Your Variables

Storing Information in Variables

Workshop: Using ExpressionsAll about Operators

Storing Text in Strings

Displaying Strings in Programs

Using Special Characters inStrings

Pasting Strings TogetherUsing Other Variables withStrings

Advanced String HandlingWorkshop: Presenting CreditsSummary

Q&A

Quiz

The Conditional Operator

Workshop: Watching the ClockSummary

Workshop: Teaching YourComputer a Lesson

Hour 9 Storing Information

with Arrays

Creating Arrays

Using Arrays

Multidimensional ArraysSorting an Array

Workshop: Array of Prizes,Indeed

Summary

Q&A

Quiz

Hierarchy

Converting Objects and SimpleVariables

Workshop: Creating an ObjectSummary

Creating Class VariablesCreating Behavior withMethods

Putting One Class insideAnother

Using the this KeywordWorkshop: Using ClassMethods and VariablesSummary

Q&A

Workshop: Creating a Subclass

Swing and the AbstractWindowing Toolkit

Workshop: Laying Out anApplication

Setting Up Components to BeHeard

Handling User Events

Workshop: A Little LottoMadness

A Sample Applet

The Java Plug-in

Sending Parameters from aWeb Page

Receiving Parameters in theApplet

Workshop: Handling

Parameters in an AppletJava Web Start

Using Java Web Start

Summary

Q&A

Working with Threads

Starting with init()

Catching Errors as You Set UpURLs

Handling Screen Updates in the

paint() Method

Starting the Thread

Handling Mouse Clicks

Workshop: Revolving LinksSummary

Writing Data to a Stream

Reading and Writing

Part VI: Creating MultimediaPrograms

Hour 21 Reading and WritingXML Data

Creating an XML File

Reading an XML File

Workshop: Reading RSSSyndication Feeds

Summary

Q&A

Activities

Hour 22 Using Fonts and ColorUsing the Font Class

Using the Color Class

Other Ways to Choose ColorsWorkshop: Displaying a DangerMessage

Summary

Q&A

Quiz

Hour 24 Creating AnimationAnimating a Sequence ofImages

Sending Parameters to theApplet

Workshop: Follow the

Bouncing Ball

Summary

Q&A

Activities

Part VII: Bonus

Hour 25 Creating Web

Services with XML-RPC

Working with Apache RPC

XML-Creating an XML-RPC HandlerCreating an XML-RPC ServerCreating an XML-RPC Client

Workshop: Enhancing theLottoMadness ApplicationSummary

Q&A

Quiz

Activities

Part VIII: Appendixes

Appendix A Using the JavaDevelopment Kit

Choosing a Java Development

Configuring the Java

Development Kit

Using a Text Editor

Creating a Sample ProgramSetting Up the CLASSPATHVariable

Appendix B Programming withthe Java Development Kit

An Overview of the JDK

The java Interpreter

The javac Compiler

The appletviewer BrowserThe javadoc DocumentationTool

The jar Java File Archival ToolThe jdb Debugger

Using System Properties

Summary

Q&A

Appendix C Using the

NetBeans Integrated

Development EnvironmentChoosing a Java DevelopmentTool

Creating a Sample ProgramAppendix D Where to Go fromHere: Java Resources

Other Books to Consider

Sun's Official Java Site

Other Java Websites

PARSER.JAR ARCHIVEFILES FROM JAVA API FORXML PARSING, VERSION1.0 SUPPLEMENTAL

LICENSE TERMS

JAVAHELP VERSION 2.0SUPPLEMENTAL LICENSETERMS

JAVA DEVELOPMENT

TOOLS JAVAC COMPILER

SUPPLEMENTAL LICENSETERMS

JAVA INTERFACE CLASSESJ2EE DEPLOYMENT

SPECIFICATION

INTERFACE CLASSES 1.1SUPPLEMENTAL LICENSETERMS

JAVA 2, ENTERPRISE

EDITION (J2EE)

MANAGEMENT, VERSION1.0 JAVA INTERFACE

CLASSES SUPPLEMENTALLICENSE TERMS

JAVA INTERFACE CLASSESENTERPRISE JAVABEANS,VERSION 2.0, INTERFACECLASSES SUPPLEMENTALLICENSE TERMS

JAVA OPTIONAL PACKAGE

JMX, VERSION 1.2

SUPPLEMENTAL LICENSETERMS

J2EEeditor.jar

SUPPLEMENTAL LICENSETERMS

resolver-1_1_nb.jar Based onSun's XML Resolver 1.0Software License AgreementWhat's on the CD-ROM

Windows InstallationInstructions

UNIX and UNIX-likeInstallation InstructionsIndex

index_Eindex_Findex_Gindex_Hindex_Iindex_Jindex_Kindex_Lindex_Mindex_N

index_Oindex_Pindex_Qindex_Rindex_Sindex_Tindex_Uindex_Vindex_Windex_X

SAMS Teach Yourself Programming with Java™ in 24

Hours, FOURTH EDITION

ISBN: 0-672-32844-5

Pages: 576

Table of Contents | Index

If you have been wanting to learn Java,check out the newly

Teach Yourself Programming with Java

in 24 Hours This step-by-step tutorial

create simple Java programs and applets.Comprised of 24 one-hour lessons, thisnew edition focuses on key programmingconcepts and essential Java basics, hasbeen improved

and is reorganized to better cover thelatest developments in Java The book's

coverage of core Java programming topicshas also been expanded A great startingpoint

great primer to reading sams Teach

Yourself Java in 21 Days

SAMS Teach Yourself Programming with Java™ in 24

Hours, FOURTH EDITION

By Rogers Cadenhead

Publisher: Sams

Pub Date: September 30, 2005

We Want to Hear from You!Reader Services

Introduction

Part I Getting Started

Hour 1 Becoming a ProgrammerChoosing a Language

Telling the Computer What to DoHow Programs Work

How Programs Don't WorkNext Stop: Java

Workshop: Installing a Java DevelopmentTool

Creating the Saluton Program

Storing Information in a Variable

Saving the Finished Product

Compiling the Program into a Class FileFixing Errors

Workshop: Running a Java ProgramSummary

Q&A

Quiz

Activities

Hour 3 Vacationing in Java

First Stop: Sun Microsystems

Going to School with Java

Lunch in JavaWorld

Watching the Skies at NASA

Getting Down to Business

Stopping by Gamelan to Ask DirectionsWorkshop: Venturing into Another WorldSummary

Creating an Application

Sending Arguments to Applications

Applet Basics

Sending Parameters to Applets

Workshop: Viewing the Code Used to RunApplets

Summary

Q&A

Quiz

Statements and Expressions

Assigning Variable Types

Naming Your Variables

Storing Information in Variables

Workshop: Using Expressions

All about Operators

Displaying Strings in Programs

Using Special Characters in StringsPasting Strings Together

Using Other Variables with Strings

Advanced String Handling

Workshop: Presenting Credits

if Statements

if-else Statements

switch Statements

The Conditional Operator

Workshop: Watching the Clock

Part III WORKING WITH

Activities

Hour 10 Creating Your First Object

How Object-Oriented ProgrammingWorks

Objects in Action

What Objects Are

Understanding Inheritance

Building an Inheritance Hierarchy

Converting Objects and Simple VariablesWorkshop: Creating an Object

Creating Class Variables

Creating Behavior with Methods

Putting One Class inside Another

Using the this Keyword

Workshop: Using Class Methods andVariables

Storing Objects of the Same Class inVectors

Workshop: Creating a Subclass

Workshop: A Little Lotto MadnessSummary

Q&A

Quiz

Activities

Part V Creating Multimedia Programs

Hour 17 Creating Interactive WebPrograms

Standard Applet Methods

Putting an Applet on a Web Page

A Sample Applet

The Java Plug-in

Sending Parameters from a Web Page

Receiving Parameters in the Applet

Workshop: Handling Parameters in anApplet

Java Web Start

Using Java Web Start

Working with Threads

Starting with init()

Catching Errors as You Set Up URLsHandling Screen Updates in the paint()Method

Starting the Thread

Handling Mouse Clicks

Workshop: Revolving Links

Summary

Q&A

Quiz

Activities

Hour 20 Reading and Writing FilesStreams

Writing Data to a Stream

Reading and Writing Configuration

Hour 21 Reading and Writing XML DataCreating an XML File

Hour 22 Using Fonts and Color

Using the Font Class

Using the Color Class

Other Ways to Choose Colors

Workshop: Displaying a Danger MessageSummary

Workshop: Baking a Pie Graph

Summary

Q&A

Quiz

Activities

Hour 24 Creating Animation

Animating a Sequence of ImagesSending Parameters to the AppletWorkshop: Follow the Bouncing BallSummary

Quiz

Activities

Part VII Bonus…

Hour 25 Creating Web Services withXML-RPC

Working with Apache XML-RPC

Part VIII Appendixes

Appendix A Using the Java DevelopmentKit

Choosing a Java Development Tool

Configuring the Java Development KitUsing a Text Editor

Creating a Sample Program

Setting Up the CLASSPATH VariableAppendix B Programming with the JavaDevelopment Kit

An Overview of the JDK

The java Interpreter

The javac Compiler

The appletviewer Browser

The javadoc Documentation Tool

The jar Java File Archival Tool

Other Books to Consider

Sun's Official Java Site

Other Java Websites

Java Newsgroups

Internet Relay Chat

Job Opportunities

Appendix E This Book's Website

Sun Microsystems, Inc Binary CodeLicense

Agreement

JAVA™ DEVELOPMENT TOOLS

JAVA™ INTERFACE CLASSES

1.0 Software License Agreement

What's on the CD-ROM

Windows Installation Instructions

UNIX and UNIX-like Installation

electronic, mechanical, photocopying,recording, or otherwise, without writtenpermission from the publisher No patentliability is assumed with respect to the use

of the information contained herein

Although every precaution has been taken

in the preparation of this book, the

publisher and author assume no

responsibility for errors or omissions.Nor is any liability assumed for damages

resulting from the use of the informationcontained herein.

Library of Congress Catalog Card

have been appropriately capitalized SamsPublishing cannot attest to the accuracy ofthis information Use of a term in this bookshould not be regarded as affecting thevalidity of any trademark or service mark.

Warning and Disclaimer

Every effort has been made to make thisbook as complete and as accurate as

possible, but no warranty or fitness isimplied The information provided is on

an "as is" basis The author and the

publisher shall have neither liability norresponsibility to any person or entity withrespect to any loss or damages arisingfrom the information contained in thisbook or from the use of the CD or

programs accompanying it

Bulk Sales

Sams Publishing offers excellent discounts

on this book when ordered in quantity for

bulk purchases or special sales For moreinformation, please contact

U.S Corporate and Government Sales 1-800-382-3419

Nonie Ratcliff

Dedication

To my wife M.C Moewe for the first 18 years of happily ever after May this book sell considerably better than the first book I dedicated to you back in

1996, Sams Teach Yourself SunSoft Java Workshop in 21 Days I'm not implying that your dedication had anything to do with the sales performance of that title,

but if this book suffers a similar fate, I might have second thoughts about not dedicating it to my mother But I digress Someone was looking out for me when I stumbled drunkenly into the love of my life at a three-keg toga bacchanalia at the University of Texas-Arlington in

1987 I will always cherish the first moment when you stared at me through thick beer goggles and decided I wasn't

as weird looking as you originally suspected ​Rogers

About the Author

Rogers Cadenhead is a writer, webapplication developer, and the mostvaluable player in an NBA playoffgame[*] He has written 20 books on

Internet-related topics, including Sams Teach Yourself Java 2 in 21 Days, Fourth Edition, Sams Teach Yourself

Microsoft FrontPage 2003 in 24 Hours, and Radio UserLand Kick Start He

maintains this book's official website athttp://www.java24hours.com

[*] Cadenhead attended Game 6 of the 1988

NBA Western Conference Finals at Reunion

Arena in Dallas The Dallas Mavericks beat

the Los Angeles Lakers 105-103 to force a

seventh game of the series CBS Sports gave

half the MVP award to Mavericks power

forward Mark Aguirre for 23 points and 13

rebounds, and half to the sellout crowd of

17,007 for shouting a whole lot in loud voices and making enthusiastic hand gestures.

Cadenhead's statistics in the game:

PLAYER MIN FGM-FGA FTM-FTAOFF-DEF-TOT AST PF ST TO PTSBEERS AVG DECIBEL LEVEL TRIPS

To the folks at Sams​especially MarkTaber, Scott Meyers, John Purdum, andAndy Beaster No author can produce abook like this on his own, regardless ofwhat my agent told Sams during contractnegotiations Their excellent work willgive me plenty to take credit for later on.

To Laura Lewin at the Studio B agency,who worked hard on my behalf in regard

to this title and many others

To my wife, Mary, and my sons, Max, Eli,and Sam Although our family has notfulfilled my dream of becoming a high-wire trapeze team like the Flying

Wallendas, I'm the world's proudest

husband in a non-acrobatic family

Reader

Acknowledgements

I'd also like to thank readers who havesent helpful comments about corrections,

typos, and suggested improvements to thebook The list includes Brian Converse,Philip B Copp III, Wallace Edwards,M.B Ellis, Kevin Foad, Adam Grigsby,Mark Hardy, Kelly Hoke, Donovan

Kelorii, Russel Loski, Jason Saredy, MikeSavage, Peter Schrier, Gene Wines, JimYates, and others who shall remain

nameless because they helped me improvethe book before I started this list

We Want to Hear from

You!

As the reader of this book, you are our

most important critic and commentator

We value your opinion and want to knowwhat we're doing right, what we could dobetter, what areas you'd like to see uspublish in, and any other words of

wisdom you're willing to pass our way.You can email or write me directly to let

me know what you did or didn't like aboutthis book​as well as what we can do tomake our books stronger.

Please note that I cannot help you with technical problems related to the topic of this book, and that due to the high

volume of mail I receive, I might not be able to reply to every message.

When you write, please be sure to includethis book's title and author as well as your

name and phone or email address I willcarefully review your comments and sharethem with the author and editors whoworked on the book.

Introduction

As the author of computer books, I spend alot of time lurking in the computer section

of bookstores, observing the behavior ofshoppers browsing through the books as ifthey were hominid jawbones and I was apaleontologist

Because of my research, I've learned that

if you have picked up this book and turned

to the introduction, I only have about 12more seconds before you put it down and

head to the coffee bar for a double talllatte decaf skim with two shots of vanillahold the whip.

So I'll keep this brief: Computer

programming with Java is a lot easier than

it looks I'm not supposed to tell you that,because there are thousands of

programmers who have used their Javaskills to get high-paying jobs in softwaredevelopment, web application

programming, and e-commerce The lastthing any of them want is for their bosses

to know that anyone who has persistenceand a little free time can learn this

language, the most popular programminglanguage in use today By working yourway through each of the one-hour tutorials

in Sams Teach Yourself Programming with Java in 24 Hours, Fourth Edition,

you'll be able to learn Java programming