根据日期时间对对象的arraylist进行排序

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;

public class DateTimeSortingExample {
    public static void main(String[] args) {
        // 创建包含对象的ArrayList
        ArrayList<MyObject> list = new ArrayList<>();
        list.add(new MyObject("Object 1", new Date(2022, 1, 1)));
        list.add(new MyObject("Object 2", new Date(2022, 2, 1)));
        list.add(new MyObject("Object 3", new Date(2022, 3, 1)));

        // 使用比较器定义排序规则
        Comparator<MyObject> comparator = new Comparator<MyObject>() {
            @Override
            public int compare(MyObject o1, MyObject o2) {
                return o1.getDateTime().compareTo(o2.getDateTime());
            }
        };

        // 对ArrayList进行排序
        Collections.sort(list, comparator);

        // 打印排序结果
        for (MyObject obj : list) {
            System.out.println(obj.getName() + ": " + obj.getDateTime());
        }
    }
}

class MyObject {
    private String name;
    private Date dateTime;

    public MyObject(String name, Date dateTime) {
        this.name = name;
        this.dateTime = dateTime;
    }

    public String getName() {
        return name;
    }

    public Date getDateTime() {
        return dateTime;
    }
}