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 pHead1 ListNode类 * @param pHead2 ListNode类 * @return ListNode类 */ public ListNode Merge (ListNode pHead1, ListNode pHead2) { // write code here ListNode root = new ListNode(-1); ListNode cur = root; while (pHead1 != null || pHead2 != null) { if (pHead1 == null) { cur.next = pHead2; break; } if (pHead2 == null) { cur.next = pHead1; break; } if (pHead1.val < pHead2.val) { cur.next = pHead1; pHead1 = pHead1.next; } else { cur.next = pHead2; pHead2 = pHead2.next; } cur = cur.next; } return root.next; } }