private static void DemoInheritance()
{
var mailman = new Mailman("Thomas", 29, 78.5f, 190.11f);
var mail = new Mail("Hello", "Somewhere far far way");
mailman.SendMail(mail);
}
private static void DemoPolymorphism()
{
Mailman mailman = new Mailman("Thomas", 29, 78.5f, 190.11f);
Teacher teacher = new Teacher("Gareth", 35, 100.5f, 186.49f);
// Specialized types can be stored as their generalized forms.
Human[] humans = { mailman, teacher };
foreach (var human in humans)
{
human.Work();
}
foreach (var human in humans)
{
Console.WriteLine(human);
}
}
private static void DemoNoPolymorphism()
{
Mailman mailman = new Mailman("Thomas", 29, 78.5f, 190.11f);
Teacher teacher = new Teacher("Gareth", 35, 100.5f, 186.49f);
Human[] humans = { mailman, teacher };
foreach (var human in humans)
{
Type humanType = human.GetType();
if (humanType == typeof(Mailman))
{
Console.WriteLine("Mailman is working...");
}
else
{
Console.WriteLine("Teaching");
}
}
}
