Remove Duplicates from Sorted List

package leet;public class RemoveDuplicatesFromSortedList {public ListNode deleteDuplicates(ListNode head) {if (head == null) {return null;}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;}}