Command Pattern
2014-08-13 23:18:41 8 举报Command Patttern,命令模式,设计模式,Desgin Pattern,Java
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Receiver
+ action()
ConcreteCommand
+ arg1:Receiver
+ execute()+ undo()
Command
public void execute(){arg1.action();}
Invoker
+ arg1:Command
+ setCommand(Command)
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