Program to explain Mouse Event in Java

//  Program to explain Mouse Event.
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
/*
<applet  code="MouseEventTest1"  width="300" height="200">
</applet>
*/
public class MouseEventTest1 extends Applet implements MouseListener 
{
String msg = "";
int mouseX = 0, mouseY = 0;
public void init() 
{
 addMouseListener(this);
}

// Handle mouse clicked.
public void mouseClicked(MouseEvent me) 
{
 mouseX = 0;
 mouseY = 10;
 msg = "Mouse clicked.";
 repaint();
}

// Handle mouse entered.
public void mouseEntered(MouseEvent me) 
{
 mouseX = 0;
 mouseY = 10;
 msg = "Mouse entered.";
 repaint();
}

// Handle mouse exited.
public void mouseExited(MouseEvent me) 
{
 mouseX = 0;
 mouseY = 10;
 msg = "Mouse exited.";
 repaint();
}

// Handle button pressed.
public void mousePressed(MouseEvent me) 
{
 mouseX = me.getX();
 mouseY = me.getY();
 msg = "Down";
 repaint();
}
// Handle button released.
public void mouseReleased(MouseEvent me) 
{
 mouseX = me.getX();
 mouseY = me.getY();
 msg = "Up";
 repaint();
}
// Display msg in applet window at current X,Y location.
public void paint(Graphics g) 
{
 g.drawString(msg, mouseX, mouseY);
}
}