题解 | #删除链表的节点#

import java.util.*;

/*
 * public class ListNode {
 *   int val;
 *   ListNode next = null;
 *   public ListNode(int val) {
 *     this.val = val;
 *   }
 * }
 */

public class Solution {
    /**
     * 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
     *
     * 
     * @param head ListNode类 
     * @param val int整型 
     * @return ListNode类
     */
    public ListNode deleteNode (ListNode head, int val) {
        // write code here
        ListNode dummyNode = new ListNode(-1);
        dummyNode.next = head;
        ListNode cur = dummyNode;
        while (cur.next != null) {
            if (cur.next.val == val) {
                cur.next = cur.next.next;
                break;
            }
            cur = cur.next;
        }
        return dummyNode.next;
    }
}