code: public boolean add(String name, Object value)
      {
          if(name == null)
              throw new NullPointerException("name == null");
          add(name);
          add(value.toString());
          return true;
      }
docs: Adds the given query parameter name and value.
  @param name The name of the parameter
  @param value The value of the parameter
  @return <CODE>true</CODE> if the add was successful