Head First Design Patterns
2013-07-30 19:37
316 查看
1.The Strategy Pattern defines a family of algorithms, encapsulates each one, and makes them interchangeable. Strategy lets the algorithm vary independently from clients that use it.----Head first design patterns
策略模式定义了一族算法,并将每一个都进行封装使他们变得通用。策略允许这些算法独立于使用他们的客户端自由变化。
2.The Observer Patter defines a one-to-many dependency between objects so that when one object changes state, all of its dependents are notified and updated automatically.[观察者模式定义了一个一对多的依赖关系,当对象的状态发生改变时,所有依赖于他的观察者都会被通知并自动更新状态].
常见的运用了观察这模式的例子就好比为按钮设置一个监听器,按钮作为主体对象,监听器listener作为观察者,当按钮发生状态改变,比如被单击时,相应的click listerner就会被触发。
策略模式定义了一族算法,并将每一个都进行封装使他们变得通用。策略允许这些算法独立于使用他们的客户端自由变化。
2.The Observer Patter defines a one-to-many dependency between objects so that when one object changes state, all of its dependents are notified and updated automatically.[观察者模式定义了一个一对多的依赖关系,当对象的状态发生改变时,所有依赖于他的观察者都会被通知并自动更新状态].
常见的运用了观察这模式的例子就好比为按钮设置一个监听器,按钮作为主体对象,监听器listener作为观察者,当按钮发生状态改变,比如被单击时,相应的click listerner就会被触发。
相关文章推荐
- 《Head First Design Patterns》笔记十:迭代器模式(Iterator Pattern)
- 《Head First Design Patterns》笔记十四:复合模式(Compound Pattern)
- OOP Design (Head First Design Patterns) 学习笔记--04 The decorator pattern
- 组合模式——Head First Design Patterns
- 《Head First Design Patterns》读书笔记之单例模式
- Head First Design Patterns Notes
- Head First Design patterns笔记-Observer Patterns (从TFS的Project alerts功能看观察者模式)
- Head First Design Patterns - Facade Pattern
- 深入浅出设计模式 Head First Design Patterns
- Head First Design Patterns(深入浅出设计模式)-目录
- 《Head First Design Patterns》读书笔记之模板模式
- Head First Design Patterns
- 《Head First Design Patterns》笔记三:装饰者模式(Decorator Pattern)
- 《Head First Design Patterns》笔记四:工厂模式(Factory Pattern)
- head first design patterns(1):策略模式,观察者模式,工厂模式,抽象工厂模式
- OOP Design (Head First Design Patterns) 学习笔记--05 The factory Pattern
- 《Head.First-Design.Patterns》总结
- Head_First_Design_Patterns --- 连接
- Head First Design Patterns 阅读笔记之八: the Template Method Pattern
- 工厂方法模式——Head First Design Patterns