code: public ListItem<MovieInfo> getList(String listId) throws MovieDbException {
          TmdbParameters parameters = new TmdbParameters();
          parameters.add(Param.ID, listId);
  
          URL url = new ApiUrl(apiKey, MethodBase.LIST).buildUrl(parameters);
          String webpage = httpTools.getRequest(url);
  
          try {
              return MAPPER.readValue(webpage, new TypeReference<ListItem<MovieInfo>>() {
              });
          } catch (IOException ex) {
              throw new MovieDbException(ApiExceptionType.MAPPING_FAILED, "Failed to get list", url, ex);
          }
      }
docs: Get a list by its ID
  
  @param listId
  @return The list and its items
  @throws MovieDbException