Map<String,Object>map=new HashMap<String,Object>(){{
put("name","ljj");
put("age",28);
}};
List<Object>list=new ArrayList<Object>(map.values());
List<String>list1=new ArrayList<String>(map.keySet());
Set<Object>set=new HashSet<Object>(list);
java map的key和value转list 或者list转set
最新推荐文章于 2025-06-22 12:32:22 发布