Design Patterns: Elements of Reusable Object-Oriented Software
- By Erich Gamma, Richard Helm, Ralph Johnson, John Vlissides
- Published Oct 31, 1994 by Addison-Wesley Professional.
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Description
- Copyright 1995
- Pages: 416
- Edition: 1st
- eBook
- ISBN-10: 0-321-77046-3
- ISBN-13: 978-0-321-77046-2
The Gang of Four’s seminal catalog of 23 patterns to solve commonly occurring design problems
Patterns allow designers to create more flexible, elegant, and ultimately reusable designs without having to rediscover the design solutions themselves. Highly influential, Design Patterns is a modern classic that introduces what patterns are and how they can help you design object-oriented software and provides a catalog of simple solutions for those already programming in at last one object-oriented programming language.
Each pattern:
- Describes the circumstances in which it is applicable, when it can be applied in view of other design constraints, and the consequences and trade-offs of using the pattern within a larger design
- Is compiled from real systems and based on real-world examples
- Includes downloadable C++ source code that demonstrates how patterns can be implemented and Python
From the preface: “Once you the design patterns and have had an ‘Aha!’ (and not just a ‘Huh?’) experience with them, you won't ever think about object-oriented design in the same way. You'll have insights that can make your own designs more flexible, modular, reusable, and understandable - which is why you're interested in object-oriented technology in the first place, right?”
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Table of Contents
Preface.
Foreword.
Guide to Readers.
1. Introduction.
What Is a Design Pattern?
Design Patterns in Smalltalk MVC.
Describing Design Patterns.
The Catalog of Design Patterns.
Organizing the Catalog.
How Design Patterns Solve Design Problems.
How to Select a Design Pattern.
How to Use a Design Pattern.
2. A Case Study: Designing a Document Editor.
Design Problems.
Document Structure.
Formatting.
Embellishing the User Interface.
Supporting Multiple Look-and-Feel Standards.
Supporting Multiple Window Systems.
User Operations.
Spelling Checking and Hyphenation.
Summary.
Design Pattern Catalog.
3. Creational Patterns.
Abstract Factory.
Builder.
Factory Method.
Prototype.
Singleton.
Discussion of Creational Patterns.
4. Structural Pattern.
Adapter.
Bridge.
Composite.
Decorator.
Facade.
Flyweight.
Proxy.
Discussion of Structural Patterns.
5. Behavioral Patterns.
Chain of Responsibility.
Command.
Interpreter.
Iterator.
Mediator.
Memento.
Observer.
State.
Strategy.
Template Method.
Visitor.
Discussion of Behavioral Patterns.
6. Conclusion.
What to Expect from Design Patterns.
A Brief History.
The Pattern Community.
An Invitation.
A Parting Thought.
Appendix A: Glossary.
Appendix B: Guide to Notation.
Class Diagram.
Object Diagram.
Interaction Diagram.
Appendix C: Foundation Classes.
List.
Iterator.
ListIterator.
Point.
Rect.
Bibliography.
Index.
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