MouseEventDemo

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class MouseEventDemo9 extends JApplet implements MouseListener
{
    private int x;              // x coordinate of mouse event
    private int y;              // y coordinate of mouse event
    private String event;       // description of mouse event 

    public void init()                                // set up GUI         
    {
        setLayout(new FlowLayout()); 
   
        addMouseListener(this);                      // listen for mouse events

        x = -1;                                      // set x negative for no initial message
    }
    public void paint(Graphics g)                    // draw message to screen                      
    {
       super.paint(g);

       g.drawRect(0, 0, getWidth(), getHeight());   // show bounds of applet

       if(x != - 1)                                 // display event during repainting only 
       {
          g.drawString("Mouse event " + event + 
                       " at (" + x + ", " + y + ")", 
                       10, 50);
       }
    }
public void mousePressed(MouseEvent e)          // save coordinates of presses
    {
       x = e.getX();
       y = e.getY();
       event = "press"; 

       repaint();
    }
    public void mouseClicked(MouseEvent e)          // save coordinates of clicks
    {
       x = e.getX();
       y = e.getY();
       event = "click"; 

       repaint();
    }

 public void mouseReleased(MouseEvent e)          // save coordinates of releases
    {
       x = e.getX();
       y = e.getY();
       event = "release"; 

       repaint();
    }
    public void mouseEntered(MouseEvent e)     // save coordinates when mouse enters applet
    {
       x = e.getX();
       y = e.getY();
       event = "enter"; 

       repaint();
    }

    public void mouseExited(MouseEvent e)     // save coordinates when mouse leaves applet
    {
       x = e.getX();
       y = e.getY();
       event = "exit"; 

       repaint();
    }
}
/*<applet code=MouseEventDemo height=300 width=300></applet>*/