为了监听鼠标移动事件,监听器必须实现()接口,或者继承()类. A: MouseListener/MouseAdapter B: MouseMotionListener/MouseMotionAdapter C: WindowListener/WindowAdapter D: ComponentListener/ComponentAdapter

为监听键盘事件,监听器必须实现哪个接口或继承哪个类() A: MouseListener/MouseAdapter B: KeyListener/KeyAdapter C: WindowListener/WindowAdapter D: ComponentListener/ComponentAdapter