ArrayList嵌套HashMap遍歷

package com.yjf.esupplier.common.test;

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

/**
 * @author shusheng
 * @description  ArrayList嵌套HashMap
 * @Email [email protected]
 * @date 2018/12/18 15:22
 */
public class ArrayListIncludeHashMapDemo {

    public static void main(String[] args) {
        // 創建集合對象
        ArrayList<HashMap<String, String>> array= new ArrayList<HashMap<String, String>>();

        // 創建元素
        HashMap<String, String> hm1 = new HashMap<String, String>();
        hm1.put("周瑜", "小喬");
        hm1.put("呂布", "貂蟬");
        // 把元素添加到 array 裏面
        array.add(hm1);

        // 創建元素
        HashMap<String, String> hm2 = new HashMap<String, String>();
        hm2.put("郭靖", "黃蓉");
        hm2.put("楊過", "小龍女");
        // 把元素添加到 array 裏面
        array.add(hm2);

        // 創建元素
        HashMap<String, String> hm3 = new HashMap<String, String>();
        hm3.put("令狐沖", "任盈盈");
        hm3.put("林平之", "嶽靈珊");
        // 把元素添加到 array 裏面
        array.add(hm3);

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

}