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

@@ -152,15 +152,53 @@
 tion%22);%0A
+     System.out.println(%22add a line%22)%0A
    %7D%0A%7D%0A

add a line