code: private void addParameterToMap(String name, String value)
    {
      String[] params = getParameterValues(name);
      if(params == null)
      {
        params = new String[1];
        params[0] = value;
        _queryParameters.put(name, params);
      }
      else
      {
        int len = params.length;
        String[] newParams = new String[len + 1];
        System.arraycopy(params, 0, newParams, 0, len);
        newParams[len] = value;
        _queryParameters.put(name, newParams);
      }
    }
docs: Adds the query parameter
  
  @param name
  @param value