import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.geom.Ellipse2D;
public class MainClass extends Frame {
public static void main(String[] args) {
(new MainClass()).setVisible(true);
}
public MainClass() {
setSize(250, 250);
}
public void paint(Graphics g) {
Graphics2D g2d = (Graphics2D) g;
Ellipse2D e = new Ellipse2D.Float(10, 10, 200, 200);
g2d.clip(e);
g2d.fillRect(40, 60, 500, 500);
}
}