//class end here

        static void Main(string[] args)
        {
            //create an object of class
            StudentClass stdObj1 = new StudentClass();
            StudentClass stdObj2 = new StudentClass();
            StudentClass stdObj3 = new StudentClass();
            StudentClass stdObj4 = new StudentClass();

            stdObj1.SetData();
            stdObj2.SetData();
            stdObj3.SetData();
            stdObj4.SetData();
            Console.ReadKey();
            Console.Clear();

            stdObj1.Display();
            stdObj2.Display();
            stdObj3.Display();
            stdObj4.Display();


            Console.ReadKey();
        }