hi,
try this...
import java.awt*;
import
java applet Applet;
Public class Circle extends Applet
{
Public void paint (Graphics g)
{
g.setColor (Color.red); // sets color red
g.fillOval (100,100,50,50); //Draws circle with loacation 100,100, and diam 50
} // method paint
} // class circe
Regards,
yunus