题解 | #反转链表#
反转链表
http://www.nowcoder.com/practice/75e878df47f24fdc9dc3e400ec6058ca
/*
public class ListNode {
int val;
ListNode next = null;
ListNode(int val) {
this.val = val;
}
}*/
public class Solution {
public ListNode ReverseList(ListNode head) {
ListNode prev=null;
ListNode cur=head;
while(cur!=null){
ListNode curNext=cur.next;
cur.next=prev;
prev=cur;
cur=curNext;
}
return prev;
}
}
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