code: public static boolean isNotBlank(String... str) {
          if (str == null) return false;
          for (String s : str) {
              if (isBlank(s)) {
                  return false;
              }
          }
          return true;
      }
docs: Determine whether a list of string is not blank
  
  @param str a list of string value
  @return return any one in this list of string is not blank