static void Main(string[] args)
{
/*
* Design principle: Identify the aspects of your application that vary and separate them from what stays the same.
*
* Design principle: Program to an interface, not an implementation.
*
* Design principle: Favor composition over inheritance.
*
* The Strategy pattern: defines a family of algorithms, encapsulates each one, and makes them interchangeable.
* Strategy lets the algorithm vary independently from clients that use it.
*/
Duck mallard = new MallardDuck();
mallard.display();
mallard.PerformQuack();
mallard.PerformFly();
Duck model = new ModelDuck();
model.display();
model.PerformQuack();
model.PerformFly();
model.SetFlyBehavior(new FlyRocketPowered());
model.PerformFly();
Console.ReadKey();
}
static void Main(string[] args)
{
Duck myduck = new MallardDuck();
myduck.display();
myduck.performFly();
myduck.performQuack();
myduck = new RedHeadDuck();
myduck.display();
myduck.performFly();
myduck.performQuack();
myduck = new RubberDuck();
myduck.display();
myduck.performFly();
myduck.performQuack();
myduck = new DecoyDuck();
myduck.display();
myduck.performFly();
myduck.performQuack();
myduck.setFlyBehavior(new FlyJet());
myduck.performFly();
}
static void Main(string[] args)
{
Duck num1 = new MallardDuck();
num1.display();
num1.performFly();
num1.performQuack();
num1.Swim();
Duck num2 = new RedheadDuck();
num2.display();
num2.performFly();
num2.performQuack();
num2.Swim();
Duck num3 = new DecoyDuck();
num3.display();
num3.performFly();
num3.performQuack();
num3.Swim();
num3.setFlyBehavior(new FlyWithWings());
num3.performFly();
Console.Read();
}