code: private static int intFromSubArray(final byte[] bytes, final int from, final int to) {
      final byte[] subBytes = Arrays.copyOfRange(bytes, from, to);
      final ByteBuffer wrap = ByteBuffer.wrap(subBytes);
      return wrap.getInt();
    }
docs: Take a slice of an array of bytes and interpret it as an int.
  @param bytes Array of bytes
  @param from  Start index in the array
  @param to    End index in the array
  @return int