this.mConcreteSubject=mConcreteSubject;
}publicvoidupdate({System.out.println("得到信息:"+mConcreteSubject.getInformation(;
}}主题
publicinterfaceSubject{
publicvoidattach(Observero;publicvoiddetach(Observero;
publicStringgetInformation(;
publicvoidnotifyObservers(;
2
本文来源:https://www.2haoxitong.net/k/doc/f15dfa2de2bd960590c677b7.html