public void InterfacesInMethods() { var grape = new Grape(); var output = GetFruitName(grape); Console.WriteLine(output); Assert.IsTrue(output.Contains("This fruit is called Grape")); }
public void TypeOfInstance() { var tomato = new Grape(); var fruitSalad = new List <IFruit> { new Orange(), new Grape(), new Banana(true), new Orange(), new Banana(), tomato, }; Console.WriteLine("Is the banana peeled?"); foreach (var fruit in fruitSalad) { if (fruit is Banana) { var banana = (Banana)fruit; if (banana.Peeled) { Console.WriteLine("Yes the banana is peeled!"); } else { Console.WriteLine("Sorry bud, this banana isn't peeled."); } } else if (fruit.GetType() == typeof(Grape)) { Console.WriteLine("Congrats on the Grape!"); } else { Console.WriteLine("Ya got an orange, sorry it's not in juice form :("); } } }