make checkstyle happy

Author: fishercoder1534

src/main/java/com/fishercoder/solutions/_493.java

@@ -52,7 +52,7 @@ private int mergeSort(int[] nums, int start, int end) {
     }
 
     public static void main(String... args) {
-        System.out.println(2147483647*2);//this is -1
-        System.out.println(2147483647*2.0);//this is 4.294967294E9
+        System.out.println(2147483647 * 2);//this is -1
+        System.out.println(2147483647 * 2.0);//this is 4.294967294E9
     }
 }