package com.it.code01;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Set;

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

        //创建ArrayList集合
        ArrayList<HashMap<String, String>> array = new ArrayList<>();

        //创建HashMap集合，并添加键值对元素
        HashMap<String, String> hm1 = new HashMap<>();
        hm1.put("xun", "hao");
        hm1.put("gun", "yun");

        //把HashMap作为元素添加到ArrayList集合
        array.add(hm1);

        HashMap<String, String> hm2 = new HashMap<>();
        hm2.put("是", "号");
        hm2.put("1024", "2048");

        //把HashMap作为元素添加到ArrayList集合
        array.add(hm2);

        HashMap<String, String> hm3 = new HashMap<>();
        hm2.put("挂", "号");
        hm2.put("10", "20");

        //把HashMap作为元素添加到ArrayList集合
        array.add(hm3);

        //遍历ArrayList集合
        for (HashMap<String, String> hm : array) {
            Set<String> keySet = hm.keySet();
            for (String key : keySet) {
                String value = hm.get(key);
                System.out.println(key + "," + value);
            }
        }

    }
}