4.31甚本概念 事件监听接口层次结构 Action listener AdjustmentListener ComponentListener Containerlistener FocusListener java util. EventListener Item Listener Keylistener Mouse Listener Mouse Motion Listener TextListener indow listener n Java面向对象程序设计 图Java面向对象程序设计 事件监听接口层次结构 4.3.1 基本概念 java.util.EventListener ActionListener AdjustmentListener ComponentListener ContainerListener FocusListener ItemListener KeyListener MouseListener MouseMotionListener TextListener WindowListener