//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(); }