从数据库返回有序的键值对- Java

import java.util.Map;
import java.util.TreeMap;

public class DatabaseExample {
    public static void main(String[] args) {
        // 模拟数据库查询结果
        Map<String, Integer> databaseResult = new TreeMap<>();
        databaseResult.put("key3", 3);
        databaseResult.put("key1", 1);
        databaseResult.put("key2", 2);

        // 从数据库返回有序的键值对
        for (Map.Entry<String, Integer> entry : databaseResult.entrySet()) {
            String key = entry.getKey();
            Integer value = entry.getValue();
            System.out.println(key + ": " + value);
        }
    }
}

key1: 1
key2: 2
key3: 3