Undo file deletion

Author: cjae

371-Sum-of-Two-Integers.java

@@ -0,0 +1,10 @@
+class Solution {
+    public int getSum(int a, int b) {
+        while (b != 0) {
+            int tmp = (a & b) << 1;
+            a = (a ^ b);
+            b = tmp;
+        }
+        return a;
+    }
+}

java/21-Merge-Two-Sorted-Lists.java

@@ -1,3 +1,5 @@
+package java;
+
 /**
  * Definition for singly-linked list.
  * public class ListNode {