原创 PropertyChangeSupport類(觀察者模式）
先看PropertyChangeSupport類的官方文檔解釋： This is a utility class that can be used by beans that support bound properties. Yo
2018-09-01 22:21:56
4
2018-09-01 22:21:56
4
先看PropertyChangeSupport類的官方文檔解釋： This is a utility class that can be used by beans that support bound properties. Yo
2018-09-01 22:21:56
4