import java.awt.*;
import java.awt.geom.*;
import java.awt.image.*;
import java.awt.event.*;
import java.applet.*;
public class Pind extends Applet implements ItemListener{
  Area r1=new Area(new Rectangle2D.Float(20, 50, 100, 100));
  Area r2=new Area(new Rectangle2D.Float(60, 60, 100, 70));
  Choice valik=new Choice();
  public Pind(){
    valik.add("Ühend");
    valik.add("Ühisosa");
    valik.add("Vahe");
    valik.add("Välistus");
    add(valik);
    valik.addItemListener(this);
  }
  public void paint(Graphics g){
    Area pind=new Area();
    pind.add(r1);
    String s=valik.getSelectedItem();
    if(s.equals("Ühend"))pind.add(r2);
    if(s.equals("Ühisosa"))pind.intersect(r2);
    if(s.equals("Vahe"))pind.subtract(r2);
    if(s.equals("Välistus"))pind.exclusiveOr(r2);
    Graphics2D g2=(Graphics2D)g;
    g2.setColor(Color.blue);
    g2.fill(pind);
    g2.setColor(Color.red);
    g2.draw(pind);
  }
  public void itemStateChanged(ItemEvent e){
    repaint();
  }
  public static void main(String argumendid[]){
    Frame f=new Frame("Muster taustaks");
    f.add(new Pind());
    f.setSize(250, 250);
    f.setVisible(true);
  }
}