code: public static Iterable<String> toHexStrings(Iterable<ByteArray> arrays) {
          ArrayList<String> ret = new ArrayList<String>();
          for(ByteArray array: arrays)
              ret.add(ByteUtils.toHexString(array.get()));
          return ret;
      }
docs: Translate the each ByteArray in an iterable into a hexadecimal string
  
  @param arrays The array of bytes to translate
  @return An iterable of converted strings