Animation in Java

import java.awt.*;
import java.awt.event.*;
class Draw2 extends Frame
{
Draw2()
{
this.addWindowListener(new WindowAdapter()
{
public void windowClosing(WindowEvent e)
{
System.exit(0);
}
});
}
public void paint(Graphics g)
{
g.setColor(Color.green);
g.fillRect(40,40,200,200);
g.setColor(Color.yellow);
g.fillOval(90,70,80,80);
g.setColor(Color.black);
g.fillOval(110,95,5,5);
g.fillOval(145,95,5,5);
g.drawLine(130,95,130,115);
g.setColor(Color.red);
g.fillArc(113,115,35,20,0,-180);
}
public static void main(String args[])
{
Draw2 d= new Draw2();
d.setSize(400,400);
d.setTitle("My drawing");
d.setVisible(true);
}
}