# 18.2 删除链表中重复的结点
[NowCoder](https://www.nowcoder.com/practice/fc533c45b73a41b0b44ccba763f866ef?tpId=13&tqId=11209&tPage=1&rp=1&ru=/ta/coding-interviews&qru=/ta/coding-interviews/question-ranking&from=cyc_github)
## 题目描述
## 解题描述
```java
public ListNode deleteDuplication(ListNode pHead) {
if (pHead == null || pHead.next == null)
return pHead;
ListNode next = pHead.next;
if (pHead.val == next.val) {
while (next != null && pHead.val == next.val)
next = next.next;
return deleteDuplication(next);
} else {
pHead.next = deleteDuplication(pHead.next);
return pHead;
}
}
```
