IraLab2

import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.math.*;
import java.lang.*;

public class ForWhile extends Frame {


public void paint(Graphics g) {
    Graphics2D graph = (Graphics2D)g;
      graph.setStroke(new BasicStroke(3.0f));
      graph.setColor(Color.black);
      Line2D line1 = new Line2D.Double( 110  , 0 , 110 , 510);
      Line2D line2 = new Line2D.Double( 190  , 0 , 190 , 510);
      graph.draw(line1);
      graph.draw(line2);
      for(int i = 1 ; i<=20 ; i++)
      {
    //    graph.setColor(new Color((int)(Math.random()*255),(int)(Math.random()*255),(int)(Math.random()*255)));

     Line2D line = new Line2D.Double( 100  ,  i*25 , 200 ,  i*25);
     graph.draw(line);


      }
      }




    public static void main(String[] args) {
          Frame frame = new ForWhile();

          frame.addWindowListener(
                  new WindowAdapter(){
                      public void windowClosing(WindowEvent we){
                      System.exit(0);
                     }
                    }
                  );
          frame.setSize(1000, 1000);
          frame.setVisible(true);
    }



}