class test{
   public static void main(String[] args){
     System.out.println("hello, world!");
   }
}

@@ -90,15 +90,77 @@
 rld!%22);%0A
+     System.out.println(%22my first open source contribution%22);%0A
    %7D%0A%7D%0A

add an extra line of message printed