JavaDesignPattern/observer at master · fanerwei222/JavaDesignPattern · GitHub

Name		Name	Last commit message	Last commit date
parent directory ..
Observer.java		Observer.java
ObserverClient.java		ObserverClient.java
Observerable.java		Observerable.java
WechatServer.java		WechatServer.java
WechatUser.java		WechatUser.java
readme.md		readme.md

readme.md

观察者模式 (行为型模式（3/11种）)