没有特殊说明，题目均来自牛客面试必刷101 链表 反转链表 12345678910public ListNode ReverseList (ListNode head) { ListNode cur = head, pre = null; while (cur != null) { ListNode nxt = cur.next; cur.next = pre; pre = cur; cur = nxt; } return pre;} 1234567891011121314151617181920212223242526272829class Node { int val; Node nxt; public Node(int val) { this.val = val; }}public class Solution { public static void main(String[] args) ...