【java8】多字段排序

public class Java8_32_stream_sort {
    public static void main(String[] args) {
        List list = new ArrayList<>();
        User user = new User(0L, "秦英杰", 5,
                "", "", new Date(), new BigDecimal("9"));
        list.add(user);
        User user1 = new User(1L, "秦杰", 6,
                "", "", new Date(), new BigDecimal("8"));
        list.add(user1);
        User user2 = new User(1L, "秦杰", 3,
                "", "", new Date(), new BigDecimal("8"));
        list.add(user2);
        //多字段排序，根据id，年龄排序
        list.sort(Comparator.comparing(User::getId).thenComparing(User::getAge));
        System.out.println(JSONArray.toJSONString(list));
    }
}