Java Programming For Kids
[Pages:211]JavaTM Programming for Kids,
Parents
and GrandParents
Yakov Fain
Java Programming for Kids, Parents and Grandparents iii
Java Programming for Kids, Parents and Grandparents
by Yakov Fain
Copyright ? 2004 Smart Data Processing, Inc. 14 Molly Pitcher Dr. Manalapan, New Jersey, 07726, USA
All rights reserved. No part of this book may be reproduced, in any form or by any, without permission in writing from the publisher.
Cover design and illustrations: Adult technical editor: Kid technical editor:
Yuri Fain Yuri Goncharov David Fain
May 2004: First Electronic Edition
The information in this book is distributed without warranty. Neither the author nor the publisher shall have any liability to any person or entitle to any liability, loss or damage to be caused directly or indirectly by instructions contained in this book or by the computer software or hardware products described herein. Java and all Java-based trademarks and logos are trademarks or registered trademarks of Sun Microsystems, Inc. in the United States and other countries. Windows 98, Windows NT, Windows 2000 and Windows XP are trademarks of Microsoft Corporation. All other product names and company names are the property of their respective owners.
The publisher offers discount on this book when ordered in bulk quantities. For more information, send an e-mail at books@.
ISBN: 0-9718439-5-3
Table of Contents
PREFACE ............................................................................................... IX
ACKNOWLEDGEMENTS............................................................................. XI
CHAPTER 1. YOUR FIRST JAVA PROGRAM.................................................... 1
How to Install Java on Your Computer ....................................................................................... 2 Three Main Steps in Programming .............................................................................................. 6
Step 1 ? Type the Program ........................................................................................................... 6 Step 2 ? Compile the Program...................................................................................................... 8 Step 3 ? Run the Program............................................................................................................. 9 Additional Reading ...................................................................................................................... 10
CHAPTER 2. MOVING TO ECLIPSE.............................................................. 11
Installing Eclipse .......................................................................................................................... 11 Getting Started with Eclipse........................................................................................................ 13 Creating Programs in Eclipse ..................................................................................................... 15 Running HelloWorld in Eclipse............................................................................................... 16 How HelloWorld Works? ........................................................................................................ 17 Additional Reading ...................................................................................................................... 20 Practice.......................................................................................................................................... 20 Practice for Smarty Pants............................................................................................................ 21
CHAPTER 3. PET AND FISH ? JAVA CLASSES .............................................. 22
Classes and Objects ...................................................................................................................... 22 Data Types .................................................................................................................................... 25 Creation of a Pet.......................................................................................................................... 28 Inheritance ? a Fish is Also a Pet ................................................................................................ 33 Method Overriding ...................................................................................................................... 37 Additional Reading ...................................................................................................................... 38 Practice.......................................................................................................................................... 38 Practice for Smarty Pants............................................................................................................ 39
Java Programming for Kids, Parents and Grandparents v
CHAPTER 4. JAVA BUILDING BLOCKS ....................................................... 40
Program Comments ..................................................................................................................... 40 Making Decisions with if Statements........................................................................................ 41 Logical Operators......................................................................................................................... 43 The logical not here is applied to the expression in parentheses. ............................................. 44 Conditional operator.................................................................................................................... 44 Using else if ............................................................................................................................ 44 Making Decisions With switch Statement.............................................................................. 45 How Long Variables Live? .......................................................................................................... 46 Special Methods: Constructors ................................................................................................... 47 The Keyword this...................................................................................................................... 48 Arrays............................................................................................................................................ 49 Repeating Actions with Loops..................................................................................................... 51 Additional Reading ...................................................................................................................... 54 Practice.......................................................................................................................................... 54 Practice for Smarty Pants............................................................................................................ 54
CHAPTER 5. A GRAPHICAL CALCULATOR................................................... 55
AWT and Swing ........................................................................................................................... 55 Packages and Import Statements................................................................................................ 55 Major Swing Elements................................................................................................................. 56 Layout Managers.......................................................................................................................... 59
Flow Layout ............................................................................................................................... 59 Grid Layout ................................................................................................................................ 60 Border Layout ............................................................................................................................ 62 Combining Layout Managers ..................................................................................................... 62 Box Layout................................................................................................................................. 65 Grid Bag Layout......................................................................................................................... 66 Card Layout................................................................................................................................ 68 Can I Create Windows Without Using Layouts? ....................................................................... 68 Window Components ................................................................................................................... 68 Additional Reading ...................................................................................................................... 72 Practice.......................................................................................................................................... 72 Practice for Smarty Pants............................................................................................................ 73
CHAPTER 6. WINDOW EVENTS................................................................. 74
Interfaces....................................................................................................................................... 75 Action Listener ............................................................................................................................. 77
Registering Components with ActionListeneter ............................................................. 78 What's the Source of an Event? ................................................................................................. 79 How to Pass Data Between Classes ............................................................................................. 81 Finishing Calculator..................................................................................................................... 83 Some Other Event Listeners....................................................................................................... 89 How to Use Adapters.................................................................................................................... 90 Additional Reading ...................................................................................................................... 91 Practice.......................................................................................................................................... 91 Practice for Smarty Pants............................................................................................................ 91
CHAPTER 7. THE TIC-TAC-TOE APPLET ..................................................... 92
Learning HTML in 15 Minutes................................................................................................... 93 Writing Applets Using AWT ....................................................................................................... 96 How to Write AWT Applets ........................................................................................................ 97 Writing a Tic-Tac-Toe Game ...................................................................................................... 99
The Strategy ............................................................................................................................... 99 The Code .................................................................................................................................. 100 Additional Reading .................................................................................................................... 110 Practice........................................................................................................................................ 110 Practice for Smarty Pants.......................................................................................................... 111
CHAPTER 8. PROGRAM ERRORS - EXCEPTIONS........................................ 112
Reading the Stack Trace............................................................................................................ 113 Genealogical Tree of Exceptions ............................................................................................... 114 The keyword throws ................................................................................................................ 117 The Keyword finally .......................................................................................................... 118 The Keyword throw ............................................................................................................... 119 Creating New Exceptions........................................................................................................... 121 Additional Reading .................................................................................................................... 123 Practice........................................................................................................................................ 123
Java Programming for Kids, Parents and Grandparents vii Practice for Smarty Pants.......................................................................................................... 123
CHAPTER 9. SAVING THE GAME SCORE ................................................... 124
Byte Streams ............................................................................................................................... 124 Buffered Streams........................................................................................................................ 127 Command-Line Arguments....................................................................................................... 129 Reading Text Files ...................................................................................................................... 132 Class File .................................................................................................................................. 135 Additional Reading .................................................................................................................... 137 Practice........................................................................................................................................ 137 Practice for Smarty Pants.......................................................................................................... 138
CHAPTER 10. MORE JAVA BUILDING BLOCKS ......................................... 139
Working with Date and Time Values ....................................................................................... 139 Method Overloading .................................................................................................................. 140 Reading Keyboard Input ........................................................................................................... 143 More on Java Packages.............................................................................................................. 145 Access Levels............................................................................................................................... 148 Getting Back to Arrays ............................................................................................................. 151 Class ArrayList ...................................................................................................................... 154 Additional Reading .................................................................................................................... 158 Practice........................................................................................................................................ 158 Practice for Smarty Pants.......................................................................................................... 159
CHAPTER 11. BACK TO GRAPHICS ? THE PING PONG GAME ..................... 160
The Strategy................................................................................................................................ 160 The Code ..................................................................................................................................... 161 Java Threads Basics ................................................................................................................... 169 Finishing Ping Pong Game ........................................................................................................ 175 What to Read Next on Game Programming ............................................................................ 185 Additional Reading .................................................................................................................... 186 Practice........................................................................................................................................ 186
Practice for Smarty Pants.......................................................................................................... 186
APPENDIX A. JAVA ARCHIVES - JARS ...................................................... 188
Additional Reading .................................................................................................................... 189
APPENDIX B. ECLIPSE TIPS .................................................................... 190
Eclipse Debugger ........................................................................................................................ 191
APPENDIX C. HOW TO PUBLISH A WEB PAGE ......................................... 194
Additional Reading .................................................................................................................... 197 Practice........................................................................................................................................ 197
INDEX.................................................................................................... 198
................
................
In order to avoid copyright disputes, this page is only a partial summary.
To fulfill the demand for quickly locating and searching documents.
It is intelligent file search solution for home and business.
Related download
- java programming for kids
- ics45j sample exam questions
- java code conventions oracle
- developing secure java code best practices for a team
- java for beginners
- programming in java
- a guide to programming in java mr barrett s class
- java problems university of cambridge
- learning computer programming using java with 101 examples
Related searches
- basic java programming examples
- java programming examples pdf
- java programming for beginners pdf
- learning java programming pdf
- basic java programming examples pdf
- java programming examples for beginners
- java programming questions for practice
- java programming tutorial for beginners
- java programming tutorial pdf
- java programming language book pdf
- java programming textbook pdf
- download free java programming book