package com
.wsq
.linkedllisk
;
public class ReverseList {
public ListNode
reverseList(ListNode head
) {
ListNode preNode
= null
;
ListNode currNode
= head
;
while(currNode
!= null
){
ListNode tmpNode
= currNode
.next
;
currNode
.next
= preNode
;
preNode
= currNode
;
currNode
= tmpNode
;
}
return preNode
;
}
}
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