code: @SuppressWarnings("checkstyle:ReturnCount")
    public static int compareArrays(final byte[] o1, final byte[] o2) {
      requireNonNull(o1);
      requireNonNull(o2);
      if (o1 == o2) {
        return 0;
      }
      final int minLength = Math.min(o1.length, o2.length);
  
      for (int i = 0; i < minLength; i++) {
        final int lw = Byte.toUnsignedInt(o1[i]);
        final int rw = Byte.toUnsignedInt(o2[i]);
        final int result = Integer.compareUnsigned(lw, rw);
        if (result != 0) {
          return result;
        }
      }
  
      return o1.length - o2.length;
    }
docs: Lexicographically compare two byte arrays.
  
  @param o1 left operand (required)
  @param o2 right operand (required)
  @return as specified by {@link Comparable} interface