// PrintSpecialChar: print some special characters with effect 

import java.io.*;

class PrintSpecialChar
{
   public static void main(String[] arg)  throws InterruptedException
    {

      /* -----------------------------------------------
	 7 (bell)

      for ( int i = 0; i < 10; i++)
      {
         System.out.print( (char) 7 );
         Thread.sleep(100);
      }
         ----------------------------------------------- */


      /* -----------------------------------------------
	 8 (back space)

	 Try changing prompt to:  PS1=""
         ----------------------------------------------- */

      System.out.print( "abcdefghijklmnopqrstuvwxyz");
      for ( int i = 0; i < 20; i++)
         System.out.print( (char) 8 );

   }
}