public class RecurseTest2
{
   public static void main (String [] args)
	{
	   String barb = "BARBARA";
		scramble(barb);
		System.out.println (barb);
	} // end main
	
	public static String scramble (String str)
	{
	  if (str.length() >= 2)
	  {
	     int n = str.length() / 2;
		  str = scramble(str.substring(n)) + str.substring (0,n);
	  }
	  return str;
	 } // end scramble
} // end class