本书是软件设计领域中的经典著作，对软件技术的发展起了重要作用。本书结合设计实例从面向对象的设计中精选出23个设计模式，总结了面向对象设计中最有价值的经验，并且用简洁可复用的形式表达出来。本书分类描述了一组设计良好、表达清楚的软件设计模式，这些模式在实用环境下特别有用。本书适合大学计算机专业的学生、研究生及相关人员参考。

本书是引导读者走出软件设计迷宫的指路明灯，凝聚了软件开发界几十年的设计经验。四位顶尖的面向对象领域专家精心挑选了最具价值的23种设计实践，加以分类整理和命名，并用简洁而易于重用的形式表达出来。这23个模式逐渐成为开发界进行技术交流所必备的基本知识和语汇。

本书已经成为广大技术人员的圣经和经典，一直名列Amazon和各大书店销售榜前列。十年来不断重印，销售逾七万册。

Preface

Foreword

Guide to Readers

1 Introduction

1.1 What Is a Design Pattern?

1.2 Design Patterns in Smalltalk MVC 

1.3 Describing Design Patterns

1.4 The Catalog of Design Patterns

1.5 Organizing the Catalog

1.6 How Design Patterns Solve Design Problems

1.7 How to Select a Design Pattern

1.8 How to Use a Design Pattern

2 A Case Study: Designing a Document Editor

2.1 Design Problems

2.2 Document Structure

2.3 Formatting

2.4 Embellishing the User Interface

2.5 Supporting Multiple Look-and-Feel Standards

2.6 Supporting Multiple Window Systems

2.7 User Operations

2.8 Spelling Checking and Hyphenation

2.9 Summary

Design Pattern Catalog

3 Creational Patterns

Abstract Factory

Builder

Factory Method

Prototype

Singleton

Discussion of Creational Patterns

4 Structural Patterns

Adapter

Bridge

Composite

Decorator

Facade

Flyweight

Proxy

Discussion of Structural Patterns

5 Behavioral Patterns

Chain of Responsibility

Command

Interpreter

Itcrator

Mediator

Memento

Observer

State

Strategy

Template Method

Visitor

Discussion of Behavioral Patterns

6 Conclusion

6.1 What to Expect from Design Patterns

6.2 A Brief History

6.3 The Pattern Community

6.4 An Invitation

6.5 A Parting Thought

A Glossary

B Guide to Notation

B.1 Class Diagram

B.2 Object Diagram

B.3 Interaction Diagram

C Foundation Classes

C.1 List

C.2 Iterator

C.3 ListIterator

C.4 Point

C.5 Rect

Bibliography

Index