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Fain Y. - Java Programming for Kids, Parents and GrandParents
This free Java e-book is written for kids from 11 to 80 years old and for school computer teachers, parents who want to get their child into the world of computer programming and college students who are looking for a supplement to overcomplicated textbooks.
Оглавление 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 ........................................................................................................................ 76 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 .............................................................................................................. 170 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
Автор: Fain Y. Язык: English Издательство: в бумажном виде книга не издавалась (Electronic Edition) Жанр: Программирование Год: 2004 Формат: pdf Размер: 13 мб
