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

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

add a line