从尾到头打印链表每个节点的值(Java实现)

import java.util.ArrayList;

/*
 * 输入一个链表,从尾到头打印链表每个节点的值
 */
public class Solution03 {
	/*
	 * 思路:利用递归的思想实现
	 */
	ArrayList<Integer> arrayList = new ArrayList<Integer>();

	public ArrayList<Integer> printListFromTailToHead(ListNode listNode) {

		//递归遍历每个节点
		if (listNode != null) {
			this.printListFromTailToHead(listNode.next);
			//获取对应节点的值添加到ArrayList数组中(add方法添加到尾部)
			arrayList.add(listNode.val);
		}
		return arrayList;
	}

	public static void main(String[] args) {
		ListNode listNode = new ListNode(1);
		listNode.next = new ListNode(3);
		listNode.next.next = new ListNode(4);
		listNode.next.next.next = new ListNode(0);
		Solution03 s = new Solution03();
		System.out.println(s.printListFromTailToHead(listNode));
	}
}

class ListNode {
	int val;
	ListNode next = null;

	ListNode(int val) {
		this.val = val;
	}
}





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转载自blog.csdn.net/qq_38190057/article/details/80825285