using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace DuckModel { public class DecoyDuck : DuckBehaviour { public override void Display() { Console.WriteLine("I am a decoy duck"); } public DecoyDuck() { base.SetFlyBehaviour(new NoFly()); base.SetQuackBehaviour(new MuteQuack()); } } }