package com.hy;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;

public class Test2 {
    public static void main(String[] args) {

        String[] arr= {"19-10-19","19-10-01","19-05-03","18-07-20","17-11-19","18-02-06"};

        List<String> list=Arrays.asList(arr);// Arrays.asList方法可以将数组直接转化为链表
        Collections.sort(list);// 使用Collections.sort对链表进行排序
        System.out.print(String.join(",", list)+"\n");

        String[] arr2=list.toArray(new String[list.size()]);// 将字符串链表转化为字符串数组
        System.out.print(String.join(";", arr2));
    }
}

17-11-19,18-02-06,18-07-20,19-05-03,19-10-01,19-10-19
17-11-19;18-02-06;18-07-20;19-05-03;19-10-01;19-10-19