dedup.java

/**
 * https://oj.leetcode.com/problems/remove-duplicates-from-sorted-list/
 * Definition for singly-linked list.
 * public class ListNode {
 *     int val;
 *     ListNode next;
 *     ListNode(int x) {
 *         val = x;
 *         next = null;
 *     }
 * }
 */
public class Solution {
    public ListNode deleteDuplicates(ListNode head) {
        ListNode t = head;
        while(t != null && t.next != null) {
            if(t.val == t.next.val)
                t.next = t.next.next;
            else
                t = t.next;
        }
        return head;
    }
}

https://oj.leetcode.com/problems/remove-duplicates-from-sorted-list/