链表逆序输出

import java.util.ArrayList;
import java.util.Stack;
public class Solution {
    public ArrayList<Integer> printListFromTailToHead(ListNode listNode) {
         Stack<Integer> resstack=new Stack<>();
        while (listNode!=null){
            resstack.push(listNode.val);
            listNode=listNode.next;
        }
        ArrayList<Integer> reslist=new ArrayList<>();
        while (!resstack.isEmpty()){
            reslist.add(resstack.pop());
        }
        return reslist;
    }
}