#374 Design Patterns

Book notes - Design Patterns: Elements of Reusable Object-Oriented Software by Erich Gamma, Grady Booch, Richard Helm, Ralph Johnson, John Vlissides

Notes

Design Patterns: Elements of Reusable Object-Oriented Software is the classic “Gang of Four” work that first introduced me to design patterns in software.

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
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
- Creational Patterns
  - Abstract Factory
  - Builder
  - Factory Method
  - Prototype
  - Singleton
  - Discussion of Creational Patterns
- Structural Patterns
  - Adapter
  - Bridge
  - Composite
  - Decorator
  - Facade
  - Flyweight
  - Proxy
  - Discussion of Structural Patterns
- Behavioral Patterns
  - Chain of Responsibility
  - Command
  - Interpreter
  - Iterator
  - Mediator
  - Memento
  - Observer
  - State
  - Strategy
  - Template Method
  - Visitor
  - Discussion of Behavioral Patterns
Conclusion
- What to Expect from Design Patterns
- A Brief History
- The Pattern Community
- An Invitation
- 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
- С.3 Listiterator
- C.4 Point .
- C.5 Rect