LeetCode_237. Delete Node in a Linked List

237. Delete Node in a Linked List

Total Accepted: 53467 Total
Submissions: 121930 Difficulty: Easy

Write a function to delete a node (except the tail) in a singly linked list, given only access to that node.

Supposed the linked list is

1 -> 2
-> 3 -> 4

and you are given the third node with value

3

, the linked
list should become

1 -> 2 -> 4

after calling your function.

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删除链表的节点：刚开始题目理解错误，这题以前有个老师讲过类似的题目。

public void deleteNode(ListNode node) {

node.val = node.next.val;
node.next = node.next.next;

}

问题是这里的：

node.next = node.next.next;

可不可以换成：

node = node.next;

discuss 中给出了可能的原因：

哥哥没看懂！