Easy_MergeTwoSortedLists_21

/**

* Merge two sorted linked lists and return it as a new list. The new list should be made by

* splicing together the nodes of the first two lists.

合并两个有序链表

*/

首先创建一个单链表节点结构

使用 递归方式遍历链表，使用compareTo 方法比较链表里的数值大小