public interface MouseMotionListener
{public void mouseMoved( MouseEvent e ) ;
public void mouseDragged( MouseEvent e ) ;
}
{public void mouseMoved( MouseEvent e ) ;
public void mouseDragged( MouseEvent e ) ;
}
如果某个类实现该接口,就可以生成该接口的实例例如public class A implements MouseMotionListener
{
... public void mouseMoved( MouseEvent e ) ;
public void mouseDragged( MouseEvent e ) ;
...}
public class B
{
...
MouseMotionListener listener = new A(...);
...
}