public static void Main() { admin a = new admin(); Salesmgr s = new Salesmgr(); Programmer p = new Programmer(); Console.WriteLine("enter the info of admin"); a.accept(); Console.WriteLine("enter the info of salesmgr"); s.accept(); Console.WriteLine("enter the info of programmer"); p.accept(); Console.WriteLine("----- the info of admin---------"); a.display(); Console.WriteLine("--------the info of salesmgr-----------"); s.display(); Console.WriteLine("----------the info of progrmr---------"); p.display(); Console.ReadLine(); }