Rename sum_of_two_integers.java to Sum Of Two Integers.java

Author: varunu28

Easy/sum_of_two_integers.java renamed to Easy/Sum Of Two Integers.java

@@ -5,4 +5,4 @@ public int getSum(int x, int y) {
         else
             return getSum( x ^ y, (x & y) << 1);
     }
-}
+}