public static void xMain() { AdminLogin login = new AdminLogin(); login.LoginFromEmailCode(); login.LoginFromSMSCode(); login.LoginByIdPassword(); Console.WriteLine("***************************************"); Vitz1999Standard vitz99 = new Vitz1999Standard(); Console.WriteLine(vitz99.model); Console.WriteLine(vitz99.price); Console.WriteLine(vitz99.dimensions); vitz99.Start(); vitz99.AirConditioning(); vitz99.Transmission(); vitz99.Braking(); Console.WriteLine("***************************************"); Vitz2004Auto vitz04 = new Vitz2004Auto(); Console.WriteLine(vitz04.model); Console.WriteLine(vitz04.price); Console.WriteLine(vitz04.dimensions); vitz04.Start(); vitz04.AirConditioning(); vitz04.Transmission(); vitz04.Braking(); Console.WriteLine("********************************"); Vitz2005 vitz05 = new Vitz2005(); Console.WriteLine(vitz05.model); Console.WriteLine(vitz05.price); Console.WriteLine(vitz05.dimensions); vitz05.Start(); vitz05.AirConditioning(); vitz05.Transmission(); vitz05.Braking(); Console.WriteLine("********************************"); NaseemSahab naseem = new NaseemSahab(); naseem.FavouriteWork(); Console.WriteLine("********************************"); Farasat1 farast = new Farasat1(); farast.FavouriteWork(); Calculator cal = new Calculator(); cal.Add(1, 2); cal.Add(1, 2.5); cal.Add(3.5, 2); cal.Add(1, 2, 3); ScientificCalculator scCal = new ScientificCalculator(); scCal.Add(1, 2); scCal.Add(1, 2.5); scCal.Add(3.5, 2); scCal.Add(1, 2, 3); scCal.Add(1, 2, 3.3); // Overloaded version in the child class Console.WriteLine("********************************"); IPhone5S iphone5s = new IPhone5S(); iphone5s.Calling(); iphone5s.InternetSurfing(); iphone5s.Gaming(); Console.ReadLine(); SingleSignOn singleSignOn = new SingleSignOn(); singleSignOn.fbSignOn.SignIn(); singleSignOn.instaSignOn.SignIn(); singleSignOn.googleSignOn.SignIn(); SofaCumBed sofaCumBed = new SofaCumBed(); sofaCumBed.bed.Lay(); sofaCumBed.sofa.Lay(); }