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 l1 ListNode类
* @param l2 ListNode类
* @return ListNode类
*/
public ListNode ListAdd (ListNode l1, ListNode l2) {
int carray = 0;
ListNode head = new ListNode(0);
ListNode pre = head;
while(l1 != null || l2 != null || carray != 0) {
int sum = carray;
if(l1 != null) {
sum += l1.val;
l1 = l1.next;
}
if(l2 != null) {
sum += l2.val;
l2 = l2.next;
}
pre.next = new ListNode(sum%10);
pre = pre.next;
carray = sum/10;
}
return head.next;
}
}