offer--The chain list from the tail to the head

Source: Internet
Author: User
Title Description:

Enter a list of values for each node of the linked list from the end of the tail to print the idea:

Implemented with a secondary storage stack. Code implementation:

/**
* Public    class ListNode {
*        int val;
*        ListNode next = null;
*
*        listnode (int val) {
*            this.val = val;
*        }
*    }
* * *
import java.util.Stack;
Import java.util.ArrayList;
public class Solution {public
    arraylist<integer> printlistfromtailtohead (ListNode listnode) {
        Stack <Integer>  nodes = new stack<integer> ();
        while (listnode!=null) {
            nodes.push (listnode.val); 
            ListNode = Listnode.next;
        }
        arraylist<integer> list = new ArrayList ();
        while (!nodes.isempty ()) {
            List.add (Nodes.pop ());
        }
        return list;
    }
}

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