打印ArrayList<HashMap>

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

public class PrintArrayListHashMap {
    public static void main(String[] args) {
        // 创建一个 ArrayList 来存储 HashMap
        ArrayList<HashMap<String, String>> list = new ArrayList<>();

        // 创建并添加第一个 HashMap
        HashMap<String, String> map1 = new HashMap<>();
        map1.put("Name", "Alice");
        map1.put("Age", "25");
        list.add(map1);

        // 创建并添加第二个 HashMap
        HashMap<String, String> map2 = new HashMap<>();
        map2.put("Name", "Bob");
        map2.put("Age", "30");
        list.add(map2);

        // 打印 ArrayList 中的每个 HashMap
        for (HashMap<String, String> map : list) {
            System.out.println(map);
        }
    }
}

{Name=Alice, Age=25}
{Name=Bob, Age=30}

for (HashMap<String, String> map : list) {
    for (String key : map.keySet()) {
        System.out.println(key + ": " + map.get(key));
    }
    System.out.println("--------------------");
}