List中的sort排序方法

Students students = new Students("李四1","20","男","123456789978654","1010","四川省",1000);
Students students3 = new Students("张三1","21","女","258741369741","1010","重庆市",12000);
Students students1 = new Students("李四2","20","男","123456789978654","1010","四川省",11000);
Students students2 = new Students("张三2","21","女","258741369741","1010","重庆市",19000);
Students students4 = new Students("王麻子","35","女","369856311785","2020","甘肃省",800);

List<Students> studentsList = new ArrayList<>();
(students);
(students1);
(students2);
(students3);
(students4);
((studentsList));

("排序前："+(studentsList));

//根据age来排序   策略模式
(studentsList, new Comparator<Students>() {
    @Override
    public int compare(Students o1, Students o2) {
        return ().compareTo(());
    }
});
("排序后："+(studentsList));

//根据money来排序   策略模式
(studentsList, new Comparator<Students>() {
    @Override
    public int compare(Students o1, Students o2) {
        return ()-();
    }
});
("排序后："+(studentsList));

/**
 * 根据tream()进行排序
 */
//根据年龄升序排序
List<Students> list1 = ().sorted((Students::getAge)).collect(());
("根据年龄升序排序后："+(studentsList));
//根据年龄进行降序排序
List<Students> list2 = ().sorted((Students::getAge).reversed()).collect(());
("根据年龄降序排序后："+(studentsList));
//年龄相同，在根据money升序排序
List<Students> list3 = ().sorted((Students::getAge).reversed().
        thenComparing(Students::getMoney)).collect(());
("根据年龄降序排序后，相同年龄再根据money排序："+(studentsList));