static void Main(string[] args)
{
var audi = new Audi();
var peugeot = new Peugeot();
var bmw = new BMW();
// var vehicule = new Vehicule();
var parking = new List<object>();
// var vh = new Vehicule();
parking.Add(audi); // upcasting
parking.Add(peugeot);
parking.Add(bmw);
foreach (var obj in parking)
{
//Vehicule vehicule = obj as Vehicule;
//if (vehicule != null)
//{
// vehicule.Display();
//}
if (obj is Vehicule)
{
Vehicule vehicule = (Vehicule)obj;
vehicule.Display();
}
}
Vehicule v = DoSomething(audi);
DoSomething(peugeot);
DoSomething(bmw);
}
static Audi DoSomething(Vehicule vehicule)
{
//...
return new Audi();
}
