/// <summary>
/// Definition:
/// The strategy pattern defines a family of algorithms, encapsulates each one and makes them interchangeable.
/// Strategy lets the algorithm very independently from clients that use it.
/// </summary>
static void Main(string[] args)
{
WildDuck wildDuck = new WildDuck();
CityDuck cityDuck = new CityDuck();
Console.WriteLine("\n--- The wild duck ---");
wildDuck.Quack();
wildDuck.Fly();
wildDuck.Display();
Console.WriteLine("\n--- The city duck ---");
cityDuck.Quack();
cityDuck.Fly();
cityDuck.Display();
Console.ReadKey();
}
