static void Main() { Duck duck = new MallardDuck(); duck.Display(); duck.PerformFly(); duck.PerformSwim(); duck = new RubberDuck(); duck.Display(); duck.PerformFly(); duck.PerformSwim(); Console.ReadLine(); }
static void Main() { Duck duck = new MallardDuck(); duck.Display(); duck.PerformFly(); duck.PerformSwim(); duck = new RubberDuck(); duck.Display(); duck.PerformFly(); duck.PerformSwim(); Console.ReadLine(); }