@@ -0,0 +1,910 @@
+/**%0A * Definition for singly-linked list.%0A * public class ListNode %7B%0A *     int val;%0A *     ListNode next;%0A *     ListNode(int x) %7B%0A *         val = x;%0A *         next = null;%0A *     %7D%0A * %7D%0A */%0Apublic class Solution %7B%0A    public ListNode addTwoNumbers(ListNode l1, ListNode l2) %7B%0A        ListNode sumHead = new ListNode(0); //dummy head node%0A        ListNode p = sumHead;%0A        int carry = 0;%0A        while(l1 != null %7C%7C l2 != null) %7B%0A            int sum = carry;%0A            if(l1 != null) %7B%0A                sum += l1.val;%0A                l1 = l1.next;%0A            %7D%0A            if(l2 != null) %7B%0A                sum += l2.val;%0A                l2 = l2.next;%0A            %7D%0A            p.next = new ListNode(sum%2510);%0A            carry = sum/10;%0A            p = p.next;%0A        %7D%0A        %0A        if(carry %3E 0) %7B%0A            p.next = new ListNode(carry);%0A        %7D%0A        %0A        return sumHead.next;%0A    %7D%0A%7D%0A

Create Add_Two_Numbers.java