SpigetJavaClientExample.java

  private final SpigetClient client = new Java11SpigetClient(GsonMapper.INSTANCE);

  public void listAndPrintCategories() {
    client.categoryList().size(5).exec().whenComplete((result, exception) -> {
      if (exception != null) {
        System.err.println("Unable to fetch because " + exception.getMessage());
      } else {
        result.forEach(category -> System.out.println(category.name()));
      }
    });
  }