code: public void write(char ... data) throws IllegalStateException, IOException{
          write(StandardCharsets.US_ASCII, CharBuffer.wrap(data));
      }
docs: <p>Sends an array of ASCII characters to the serial port/device identified by the given file descriptor.</p>
  
  @param data
  One or more ASCII characters (or an array) of data to be transmitted. (variable-length-argument)