MouseListener interface and MouseEvent class in java

 //MouseListener interface and MouseEvent class

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

/*
<applet code = "MouseListener_and_MouseEvent"
width = 200 height = 200></applet>
*/

public class MouseListener_and_MouseEvent extends JApplet
implements MouseListener
{
    Container con;

    public void init()
    {
        con = getContentPane();
        con.setLayout(new FlowLayout());
        addMouseListener(this);
    }
    public void mouseEntered(MouseEvent me)
    {
        con.setBackground(Color.red);
    }
    public void mouseExited(MouseEvent me)
    {
        con.setBackground(Color.green);
    }
    public void mousePressed(MouseEvent me)
    {
        con.setBackground(Color.blue);
    }
    public void mouseReleased(MouseEvent me)
    {
        con.setBackground(Color.yellow);
    }
    public void mouseClicked(MouseEvent me)
    {
        con.setBackground(Color.black);
    }
}

OUTPUT: