接口 Observer


  • public interface Observer
    Obeserver.
    作者:
    liaochuntao, xiweng.yy
    • 方法详细资料

      • update

        void update​(Observable o)
        This method is called whenever the observed object is changed. An application calls an Observable object's notifyObservers method to have all the object's observers notified of the change.
        参数:
        o - the observable object.