命令模式代码及类图

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1、命令模式类图代码4publicinterfaceCommand{publicvoidexecute();}publicclassNoCommandimplementsCommand{publicvoidexecute(){}}publicclassRemoteControl{Command[]onCommands;Command[]offCommands;publicRemoteControl(){4onCommands=newCommand[7];offCommands=newCommand[7];CommandnoCommand=newNoCommand();for(int

2、i=0;i<7;i++){onCommands[i]=noCommand;offCommands[i]=noCommand;}}publicvoidsetCommand(intslot,CommandonCommand,CommandoffCommand){onCommands[slot]=onCommand;offCommands[slot]=offCommand;}publicvoidonButtonWasPushed(intslot){onCommands[slot].execute();}publicvoidOffBottonPushed(intslot){offCom

3、mands[slot].execute();}publicStringtoString(){StringBufferstringBuff=newStringBuffer();stringBuff.append("------RemoteControl------");for(inti=0;i

4、nstringBuff.toString();}}44publicclassLight{Stringname;publicLight(){}publicLight(Stringname){this.name=name;}publicvoidon(){System.out.println(name+"lightison");}publicvoidoff(){System.out.println(name+"lightisoff");}}publicclassLightOnCommandimplementsCommand{Lightlight;publicLightOnComman

5、d(Lightlight){this.light=light;}publicvoidexecute(){light.on();}}publicclassLightOffCommandimplementsCommand{Lightlight;publicLightOffCommand(Lightlight){this.light=light;}publicvoidexecute(){light.off();}}44publicclassStereo{Stringname;publicStereo(Stringname){this.name=name;}publicvoidon()

6、{System.out.println(name+"StereoOn");}publicvoidoff(){System.out.println(name+"StereoOff");4}publicvoidsetCD(){System.out.println(name+"StereosetCD");}publicvoidsetDvd(){System.out.println(name+"StereosetDvd");}publicvoidsetRadio(){System.out.println(name+"Stereosetradio");}publicvoidsetVolu

7、me(){System.out.println(name+"Stereosetvolume");}}publicclassStereoOffCommandimplementsCommand{Stereostereo;publicStereoOffCommand(Stereostereo){this.stereo=stereo;}publicvoidexecute(){stereo.off();}}publicclassStereoOnWithCDCommandimplementsComman