/***    public class ListNode {*        int val;*        ListNode next = null;**        ListNode(int val) {*            this.val = val;*        }*    }**/import java.util.ArrayList;public class Solution {      ArrayList<Integer> arrayList=new ArrayList<Integer>();    public ArrayList<Integer> PRintListFromTailToHead(ListNode listNode) {                  if(listNode!=null){            this.printListFromTailToHead(listNode.next);            arrayList.add(listNode.val);        }        return arrayList;    }}
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