//不建议使用Map保存这些,使用实体bean更好 package com.rxlamo.zhidao; import java.util.*; public class Main { public static void main(String[] args) { List<Map<String, Object>> list = new ArrayList<>(4); /* * map1
package test; import java.util.*;import java.util.stream.Collectors; public class Test5 { public static void main(String[] args) { List<LinkedHashMap<String, Object>> list = new ArrayList<>(); list.add(new LinkedHashMap<String, Object
map<T, T>是C++的STL中存储key-value键值对数据结构的最基础的模板类,相对于multimap可以重复的key值,map的key是非重复的. C++的reference这样说明的: std::map is a sorted associative container that contains key-value pairs with unique keys. Keys are sorted by using the comparison function Compare.