namespace Txst_2._1 { class Animal { private Boolean m_sex; private string m_sound; public Animal() { m_sex = false; m_sound = "Howl..."; } public bool Sex { get{ return m_sex; } set { m_sex = value; }

} public string Sound { get { return m_sound; } set { m_sound = value; } } public virtual string Roar() { return "Animal" + m_sound; } } class Dog:Animal { public Dog() { Sex = true; Sound = "Wow..."; } public override string Roar() { return "Dog:" + Sound; } } class Cat:Animal { public Cat() { Sound = "Miaow..."; } public override string Roar() { return "Cat:" + Sound; } } class Cow:Animal { public Cow() { Sound = "Moo..."; } public override string Roar() { return "Cow:" + Sound; } } class Program { static void Main(string[] args) {

Animal animal; animal = new Dog(); Console.WriteLine(animal.Roar()); animal = new Cat(); Console.WriteLine(animal.Roar()); animal = new Cow(); Console.WriteLine(animal.Roar()); Console.Read(); } } }

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