How can I convert ArrayList<Object> to ArrayList?

后端 未结 11 790
-上瘾入骨i
-上瘾入骨i 2020-11-28 06:31
ArrayList list = new ArrayList();
list.add(1);
list.add(\"Java\");
list.add(3.14);
System.out.println(list.toString());


11条回答
  •  挽巷
    挽巷 (楼主)
    2020-11-28 07:36

    You can use wildcard to do this as following

    ArrayList strList = (ArrayList)(ArrayList)(list);
    

提交回复
热议问题