观察者模式作业类图
2022-04-28 11:11:45 45 举报
设计模式作业
作者其他创作
大纲/内容
<interface>AlarmListener
+react():void
Door
+react():void+close():void
Voice
+react():void+alarm():void
Sensor
-observers:ArrayList<AlarmListener>
+add(AlarmListener a):void+remove(AlarmListener a):void+sendMessage():void
Security
+react():void+open():void
Test
main():void
Light
+react():void+light():void
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