leetcode刷题（40）——83. 删除排序链表中的重复元素

  temp.next = temp.next.next;

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