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MergeTwoSortedLinkedList.java

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/**

* 剑指Offer，合并两个排序的链表

*/

/*

public class ListNode {

int val;

ListNode next = null;

ListNode(int val) {

this.val = val;

}

}*/

public class MergeTwoSortedLinkedList {

public ListNode Merge(ListNode list1,ListNode list2) {

if (list1 == null) {

return list2;

}else if (list2 == null) {

return list1;

}

ListNode head = null;

if (list1.val < list2.val) {

head = list1;

head.next = Merge(list2, list1.next);

}else {

head = list2;

head.next = Merge(list1, list2.next);

}

return head;

}

}