题目链接：从头到尾打印链表

import java.util.*;
/**
*    public class ListNode {
*        int val;
*        ListNode next = null;
*
*        ListNode(int val) {
*            this.val = val;
*        }
*    }
*
*/
import java.util.ArrayList;
public class Solution {public ArrayList<Integer> printListFromTailToHead(ListNode listNode) {ArrayList<Integer> result = new ArrayList<Integer>();Stack<Integer> stack = new Stack<Integer>();while(listNode != null){stack.push(listNode.val);listNode = listNode.next;}while(!stack.empty()){result.add(stack.pop());}return result;}
}