Design Patterns

In computer science, Design Patterns is a book by Gamma, Helm, Johnson and Vlissides, better known as the "Gang of Four" or simply "GoF".

The first half of the book covers the definition of software design patterns then the second half shows the list of a host of practical reusable design patterns. Below is the list:

Creational Patterns

• Abstract Factory
• Builder
• Factory Method
• Prototype
• Singleton

Structural Patterns

• Adapter
• Bridge
• Composite
• Decorator
• Facade
• Flyweight
• Proxy

Behavioral Patterns

• Chain of Responsibility
• Command
• Interpreter
• Iterator
• Mediator
• Memento
• Observer
• State
• Strategy
• Template Method
• Visitor

For information about software design patterns in general, see Software design pattern, which provides a more extensive list of design patterns.