标签:public sel nod java imp 反转 turn ever 反转链表
在断裂之前将下一个节点保存下来
import java.util.Stack;
public class Solution {
public ListNode ReverseList(ListNode head) {
if(head == null ) return null;
ListNode pre = null;
ListNode next = null;
while(head != null){
next = head.next;
head.next = pre;
pre = head;
head = next;
}
return pre;
}
}
标签:public sel nod java imp 反转 turn ever 反转链表
原文地址:http://www.cnblogs.com/lycroseup/p/6827504.html