重拾算法之剑指Offier——反转链表

剑指Offier——反转链表

public class Solution {
public ListNode ReverseList(ListNode head) {

ListNode listNode = null;
ListNode p = null;

while(head!=null){
p = head.next;
head.next = listNode;
listNode = head;
head = p;
}
return listNode;
}
}