import java.awt.*;
import java.awt.event.*;
public class multiListener  
{
  private Frame f;
  private TextField tf;
  public static void main(String[] args) 
  {
    multiListener m1=new multiListener();
    m1.go();
  }

  public void go()
  {
    Frame f=new Frame("多个监听者");
    f.add(new Label("单击和拖动鼠标"),"North");
    tf=new TextField(30);
    f.add(tf,"South");

    f.addMouseListener(new MouseAdapter()
    {
      public void mouseEntered(MouseEvent e)
      {
        String s="The mouse entered";
        tf.setText(s);
      }

      public void mouseExited(MouseEvent e)
      {
        String s="The mouse exited";
        tf.setText(s);
      }
    });
    
    f.addMouseListener(new MouseMotionAdapter()
    {
      public void mouseDragged(MouseEvent e)
      {
        String s="Mouse dragging:X="+e.getX()+"Y="+e.getY();
        tf.setText(s);
      }
    });

    f.addWindowListener(new WindowAdapter()
    {
      public void windowClosing(WindowEvent e)
      {
        System.exit(0);
      }
    });
    f.resize(200,200);
    f.show();
  }
}