import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
import java.awt.event.ActionEvent;

public class Ringid3 extends Applet implements AdjustmentListener{
  int nr=100;
  int r=0;
    Scrollbar sb=new Scrollbar(
    Scrollbar.VERTICAL, 3, 2, 2, 20);
TextField tf=new TextField("100");
  public Ringid3(){
    
 add(tf);
    
   setLayout(new BorderLayout());
    add("West", sb);
    sb.addAdjustmentListener(this);
   
  }

public void adjustmentValueChanged(AdjustmentEvent e){
   nr=sb.getValue();
       //nr=e.getValue();

    repaint();
  }



  public void paint(Graphics g){
	r=0;
	while(r<nr){
    g.drawOval(10*r, 50, 10, 10);

      r=r+1;}
  }
  
  public static void main(String argumendid[]){
    Frame f=new Frame("Ringide joonistamine");
    f.setSize(300, 300);
    f.add(new Ringid3());
    f.setVisible(true);
  }    

}