JAVA CODE

//Ex3_1
import java.applet.Applet;
import java.awt.Graphics;

public class Ex3_1 extends Applet
{
   public void paint (Graphics g)
   {
      int x[] = { 10, 10, 150 };
      int y[] = { 10, 150, 150 };

      g.drawPolygon (x, y, 3);
   }
}