Map集合,水果赋值的题目,动态变量

package com.homework.demo01;

import java.util.HashMap;
import java.util.Map;
import java.util.Random;

public class Demo07 {
public static void main(String[] args) {
String[] strings = {"A", "B", "C", "D"};

    Map<String, String> map = new HashMap<>();

    Random random = new Random();

    while (map.size() < strings.length) {
        String str = "";
        for (int j = 0; j < 8; j++) {
            int i = random.nextInt(10);
            String s = String.valueOf(i);
            str += s;
        }

        map.put(strings[map.size()],str);
    }

    System.out.println(map);

}

}