Review

class Hex {
   /**
    * Converts a byte array to capitalized hexadecimal text.
    * The length of the resulting string will be twice the length of
    * <code>text</code> and will only contain the characters '0', '1',
    * '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'.
    *
    * @param text The byte array to convert.
    *
    * @return capitalized hexadecimal text representation of
    *    <code>text</code>.
    */
   public static String bytesToHexString(byte[] text) {
      return bytesToHexString(text,0,text.length);
   }

}