Draw Line Graph in Java Applet

import java.awt.*;
import java.applet.*;
public class Line_Graph extends Applet
{
 int x[]={ 0, 60, 120, 180, 240, 300, 360, 400};
 int y[]={ 400, 280, 220, 140, 60, 60, 100, 220};
 int z=x.length;
 public void paint(Graphics g)
{
  g.drawPolygon(x, y, z);
}
}

<html>
   <head>
   </head>
   <body>
         <applet code = "Line_Graph.class" width = "640" height = "480"></applet>
   </body>
</html>

Output:
Draw Line Graph in Java Applet