java对象是什么 javamap对象转换成list?

javamap对象转换成list?public class Demo{public static void main(String[]args){HashMap<String,Object>

javamap对象转换成list?

public class Demo{public static void main(String[]args){HashMap<String,Object> map=new HashMap<String,Object>()ArrayList<Object> list=new ArrayList<Object>()(字符串键:映射密钥集()){ 列表.添加(地图。获取(键))}}