题解 | #删除有序链表中重复的元素-I#

import java.util.*;

public class Solution {
    public ListNode deleteDuplicates (ListNode head) {
        if(head==null||head.next==null){
            return head;
        }
        ListNode node=head;
        while(head!=null&&head.next!=null){
            if(head.val==head.next.val){
                head.next=head.next.next;
            }else{
                head=head.next;
            }
        }
        
        return node;
    }
}