code: public static String load(InputStream inputStream, Integer... maxCount) throws IOException
    {
      return load(new InputStreamReader(inputStream, "UTF-8"), maxCount);
    }
docs: Load string from UTF-8 bytes stream then closes it.
  
  @param inputStream source input stream,
  @param maxCount optional maximum number of characters to read, default to MAX_VALUE.
  @return string from input stream.
  @throws NullPointerException if input stream is null.
  @throws IOException if input stream read operation fails.