code: public static String codePointsToString(String... points)
      {
          StringBuilder ret = new StringBuilder();
  
          for (String hexPoint : points)
          {
              ret.append(codePointToString(hexPoint));
          }
  
          return ret.toString();
      }
docs: Transforms a list of Unicode code points, as hex strings, into a proper
  encoded string.
  
  @param points
  The list of Unicode code point as a hex strings
  @return the concatenation of the proper encoded string for the given
  points
  @see Emoji#codePointToString(String)