public int CompareTo(object obj)
{
if (obj == null)
{
return(1);
}
Dier beest = obj as Dier;
if (beest != null)
{
return(Massa.CompareTo(beest.Massa));
}
else
{
throw new ArgumentException("Geen Dier");
}
}
private static void ReproduceerKoe()
{
List <Koe> kraamkamer = new List <Koe>();
foreach (Vee vee in Stal)
{
if (vee is Koe)
{
Dier baby = vee.Reproduceer();
Koe kalf = baby as Koe;
kraamkamer.Add(kalf);
}
}
int teller = 0;
foreach (Koe kalf in kraamkamer)
{
teller++;
Stal.Add(kalf);
}
Console.WriteLine("{0} kalfjes geboren.", teller);
}
