import java.awt.*;
import java.awt.event.*;
import java.applet.Applet;
public class Diagramm1 extends Applet implements ActionListener{
   int pikkus1=150;
   int alaserv=300;
   TextField tf1=new TextField(String.valueOf(pikkus1));
   public Diagramm1(){
      add(tf1);
      tf1.addActionListener(this);
   }
   public void paint(Graphics g){
      g.drawLine(50, alaserv, 50, alaserv-pikkus1);
   }
   public void actionPerformed(ActionEvent e){
      pikkus1=Integer.parseInt(tf1.getText());
      repaint();
   }
   public static void main(String[] arg){
     Frame f=new Frame("tulbad");
     f.setSize(400, 400);
     f.add(new Diagramm1());
     f.setVisible(true);
   }
}