static void Main(string[] args)
{
Coffee coffee = new Coffee();
Meat meat = new Meat();
Vegetables vegetables = new Vegetables();
VisitorA visitorA = new VisitorA();
coffee.Accept(visitorA);
meat.Accept(visitorA);
VisitorB visitorB = new VisitorB();
vegetables.Accept(visitorB);
Console.ReadKey();
}
public override void VisitVegetables(Vegetables vegetables)
{
Console.WriteLine("I do not want to eat vegetables");
}
public abstract void VisitVegetables(Vegetables vegetables);
public override void VisitVegetables(Vegetables vegetables)
{
Console.WriteLine("{0} take some {1}", this, vegetables);
vegetables.AddHot();
}