code: public static byte[] bytes(String s) {
      try {
        return s.getBytes(ENCODING);
      } catch (UnsupportedEncodingException e) {
        log.error("UnsupportedEncodingException ", e);
        throw new RuntimeException(e);
      }
    }
docs: Gets UTF-8 bytes from the string.
  
  @param s
  @return