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);
}
}

Output: