LeetCode/com/zerroi/leetcode/Three23/ReverseList.java

package com.zerroi.leetcode.Three23;

public class ReverseList {
    public static void main(String[] args) {

    }
}

class SolutionThird {
    public ListNode reverseList(ListNode head) {
        ListNode pre = null;
        ListNode cur = head;
        ListNode temp = null;
        while (cur != null) {
            temp = cur.next;
            cur.next = pre;
            pre = cur;
            cur = temp;
        }
        return pre;
    }
}