Remove Linked List Elements

    Example

    题解

    1. /**
    2.  * Definition for singly-linked list.
    3.  *     int val;
    4.  *     ListNode next;
    5.  *     ListNode(int x) { val = x; }
    6.  * }
    7.  */
    9.     /**
    10.      * @param head a ListNode
    11.      * @param val an integer
    12.      * @return a ListNode
    13.      */
    14.     public ListNode removeElements(ListNode head, int val) {
    15.         dummy.next = head;
    16.         ListNode curr = dummy;
    17.         while (curr.next != null) {
    19.                 curr.next = curr.next.next;
    20.             } else {
    21.                 curr = curr.next;
    22.             }
    23.         }
    25.         return dummy.next;
    26.     }