designPattern

1.Strategy Pattern:

KeyWords：

• package
• interface
• abstract class

2.Observer Pattern:

KeyWords:

• one to many
• interface
• abstract class
• Subject
• registerObserver(o)
• removeObserver(o)
• notifyObserver()
• Observer
• update()

3.Decorator Pattern

KeyWords:

• Componet
• ConcreteComponent
• Decorator
• ConcreteDecorator
• virtual & abstract
• base
• inherit

4.Simple Factory Pattern

KeyWords:

• swithch{case:default;}

Factory Pattern

KeyWords:

• Product
• ConcreteProduct
• abstract Product factoryMthod(string type)
• Creator(FactoryMthod:return Product)
• ConcreteCreator(FactoryMthod:return Product)

Abstract Factory Pattern

KeyWords:

• Product Family
• AbstractFactory(return:AbstractProductA,AbstractProductB)
• AbstractFactory1(return:AbstractProductA,AbstractProductB)
• AbstractFactory2(return:AbstractProductA,AbstractProductB)
• AbstractProductA
• ProductA1
• ProductA2
• AbstractProductB
• ProductB1
• ProductB2