Author: yuantianle

Desgin Patterns

Design pattern is a reusable solution to a commonly occurring problem in software design. It provides a general framework for solving a particular design problem, which can be adapted to suit the specific needs of a particular application.

Design patterns are typically classified into three categories:

Creational patternsStructural patternsBehavioral patterns

• 1.1 Singleton
• 1.2 Factory Method
• 1.3 Abstract Factory
• 1.4 Builder
• 1.5 Prototype

• 2.1 Adapter
• 2.2 Bridge
• 2.3 Composite
• 2.4 Decorator
• 2.5 Facade
• 2.6 Flyweight
• 2.7 Proxy

• 3.1 Chain of Responsibility
• 3.2 Command
• 3.3 Interpreter
• 3.4 Iterator
• 3.5 Mediator
• 3.6 Memento
• 3.7 Observer
• 3.8 State
• 3.9 Strategy
• 3.10 Template Method
• 3.11 Visitor

The relationship among them can be seen in picture below:

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