// DDeleven20.java screensaver drawing lines

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class DDeleven20 extends JFrame {
   private String s = "Using drawString!";
  public DDeleven20() {
  super("drawing lines " );
  setSize( 400,165 );
  show();
}

public void paint (Graphics g ) {
super.paint(g );
  g.setColor( Color.red );
  g.drawLine(5,30,350,30 );
for (int i=0;i<100;i++) {
int x1= (int) (Math.random() *400);
int x2= (int) (Math.random() *400);
int y1=(int) (Math.random() *165);
int y2 = (int) (Math.random() *165);
g.drawLine(x1,y1,x2,y2); }// end of for i loop
super.repaint();

//super.setBackground(Color.yellow); changed background to yellow  

}

public static void main( String args[] ) {
  DDeleven20 app = new DDeleven20();
  app.addWindowListener(
     new WindowAdapter() {
      public void windowClosing(WindowEvent e )
    { System.exit( 0 ); }
    
  }
  );
 }
}