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Table of Content
Table of Content...................................................................................................................................................................................... 2
Preface...................................................................................................................................................................................................... 4
Why We Wrote This Book ................................................................................................................................................................... 4
What This Book Is About..................................................................................................................................................................... 4
Who Should Read This Book ............................................................................................................................................................... 4
Conventions Used................................................................................................................................................................................. 4
How This Book Is Organized ............................................................................................................................................................... 5
How to Use This Book ......................................................................................................................................................................... 5
Companion Web Site............................................................................................................................................................................ 5
Acknowledgments ................................................................................................................................................................................ 5
Why Patterns?....................................................................................................................................................................................... 6
History of the Patterns Movement........................................................................................................................................................ 7
Basic Concepts in Patterns.................................................................................................................................................................... 8
Software Abstraction and Reuse........................................................................................................................................................... 9
Summary............................................................................................................................................................................................. 10
Part I: Commonly Used Patterns......................................................................................................................................................... 11
Chapter 1. Creational Patterns ............................................................................................................................................................ 11
Introduction to Creational Patterns..................................................................................................................................................... 11
Abstract Factory ................................................................................................................................................................................. 12
Builder................................................................................................................................................................................................ 17
Factory Method................................................................................................................................................................................... 23
Prototype............................................................................................................................................................................................. 27
Singleton............................................................................................................................................................................................. 31
Chapter 2. Behavioral Patterns............................................................................................................................................................ 34
Introduction to Behavioral Patterns .................................................................................................................................................... 34
Chain of Responsibility ...................................................................................................................................................................... 35
Command............................................................................................................................................................................................ 41
Interpreter ........................................................................................................................................................................................... 46
Iterator ................................................................................................................................................................................................ 52
Mediator.............................................................................................................................................................................................. 57
Memento............................................................................................................................................................................................. 63
State.................................................................................................................................................................................................... 74
Strategy............................................................................................................................................................................................... 81
Visitor................................................................................................................................................................................................. 86
Template Method................................................................................................................................................................................ 93
Chapter 3. Structural Patterns............................................................................................................................................................. 97
Introduction to Structural Patterns...................................................................................................................................................... 97
Adapter ............................................................................................................................................................................................... 98
Bridge ............................................................................................................................................................................................... 103
Composite......................................................................................................................................................................................... 108
Decorator.......................................................................................................................................................................................... 114
Facade............................................................................................................................................................................................... 120
Flyweight.......................................................................................................................................................................................... 125
Half-Object Plus Protocol (HOPP)................................................................................................................................................... 129
Proxy................................................................................................................................................................................................. 134
Chapter 4. System Patterns ................................................................................................................................................................ 139
Introduction to System Patterns........................................................................................................................................................ 139
Model-View-Controller (MVC) ....................................................................................................................................................... 140
Session.............................................................................................................................................................................................. 148
Worker Thread.................................................................................................................................................................................. 155
Callback............................................................................................................................................................................................ 160
Successive Update ............................................................................................................................................................................ 167
Transaction ....................................................................................................................................................................................... 178
Part II: Patterns in the Java Programming Language..................................................................................................................... 183
Chapter 5. Introduction to Java Programming Language Patterns............................................................................................... 183
Chapter 6. Java Core APIs................................................................................................................................................................. 184
Event Handling................................................................................................................................................................................. 184
JavaBeans ......................................................................................................................................................................................... 186
AWT and Swing – The Graphical User Interface APIs.................................................................................................................... 188
Collections Framework..................................................................................................................................................................... 192
Input-Output (I/O) ............................................................................................................................................................................ 195
Reflection.......................................................................................................................................................................................... 197
Chapter 7. Distributed Technologies ................................................................................................................................................. 199
