code: private static char[] chars(byte[] bytes) {
          char[] chars = new char[bytes.length];
          for (int i = 0; i < bytes.length; i++) {
              int pos = bytes[i] & 0xff;
              chars[i] = (char) pos;
          }
          return chars;
      }
docs: Returns the {@code char} array representation of the specified {@code byte} array.
  
  @param bytes The {@code byte} array to be converted.
  @return The {@code char} array representation of the specified {@code byte} array.