public class TestSubstring 
   {
       public static void main (String [] args)
      {
         String word, letters;
         word = "catnip";
         letters = word.substring(0,word.length());
         System.out.println (" 0, word.length () " +letters);
         letters = word.substring(0,0);
         System.out.println (" 0, 0 " + letters);
         letters = word.substring(0,1);
         System.out.println (" 0 ,1 " + letters);
         letters = word.substring(0,2);
         System.out.println (" 0, 2 " + letters);
         letters = word.substring(0,3);
         System.out.println (" 0, 3 " +letters);
         letters = word.substring(word.length());
         System.out.println (" word.length ()" + letters);
         letters = word.substring(word.length(),word.length());
         System.out.println (" word.length(), word.length () " + letters);
         letters = word.substring(word.length()-1, word.length());
         System.out.println (" word.length () -1, word.length() " +letters);
         letters = word.substring(1);
         System.out.println (" 1 " + letters);
         letters = word.substring(2);
         System.out.println (" 2 " + letters);
         word = "BARBARA";
         letters = word.substring( 3);
         System.out.println (" 3 " +letters);
      
      
      
      } // end main
   } // end Testsubstring