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import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.geom.Area;
import java.awt.geom.Ellipse2D;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class MainClass extends JPanel {
public void paint(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
Ellipse2D e1 = new Ellipse2D.Double (20.0, 20.0, 80.0, 70.0);
Ellipse2D e2 = new Ellipse2D.Double (20.0, 70.0, 40.0, 40.0);
Area a1 = new Area (e1);
Area a2 = new Area (e2);
a1.subtract (a2);
g2.setColor (Color.orange);
g2.fill (a1);
g2.setColor (Color.black);
g2.drawString ("subtract", 20, 140);
}
public static void main(String[] args) {
JFrame frame = new JFrame();
frame.getContentPane().add(new MainClass());
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(200,200);
frame.setVisible(true);
}
}
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