static void Main(string[] args)
{
Duck mallard = new MallardDuck();
mallard.PerformQuack();
mallard.PerformFly();
Duck model = new ModelDuck();
model.PerformFly();
model.SetFlyBehaviour(new FlyRocketPowered());
model.PerformFly();
}
static void Main(string[] args)
{
MallardDuck mallard = new MallardDuck();
RedHeadDuck redHead = new RedHeadDuck();
RubberDuck rubber = new RubberDuck();
DecoyDuck decoy = new DecoyDuck();
RobotDuck robot = new RobotDuck();
ModelDuck model = new ModelDuck();
PerformDuckFunctions(mallard);
PerformDuckFunctions(redHead);
PerformDuckFunctions(rubber);
PerformDuckFunctions(decoy);
PerformDuckFunctions(robot);
PerformDuckFunctions(model);
model.SetFlyBehaviour(new FlyRocketPowered());
PerformDuckFunctions(model);
Console.ReadKey();
}