https://leetcode-cn.com/problems/delete-node-in-a-linked-list/
/**
* Definition for singly-linked list.
* public class ListNode {
* int val;
* ListNode next;
* ListNode(int x) { val = x; }
* }
*/
class Solution {
public void deleteNode(ListNode node) {
//让nodenode的值等于下一个节点的值
node.val = node.next.val;
//让node的下一个节点指向下一个节点的下一个节点
node.next = node.next.next;
}
}