private void CreateMallardDuckWithRocketAndSqueak()
{
Duck mallardDuck = new MallardDuck();
mallardDuck.SetFlyBehavior(new FlyRocketPowered());
mallardDuck.SetQuackBehavior(new Squeak());
mallardDuck.Display();
mallardDuck.PerformFly();
mallardDuck.PerformQuack();
}
//Design principle
//Identify the aspects of your
//application that vary and separate
//them from what stays the same.
//Design principle
//Program to an interface (abstract class/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.
static void Main(string[] args)
{
MallardDuck mallardDuck = new MallardDuck();
mallardDuck.PerformFly();
mallardDuck.SetFlyBehavior(new FlyRocketPowered());
mallardDuck.PerformFly();
mallardDuck.PerformQuack();
mallardDuck.Display();
mallardDuck.Swim();
}
static void Main(string[] args)
{
Duck myDuck = new MallardDuck();
myDuck.Display();
myDuck.PerformFly();
myDuck.PerformQuack();
myDuck.SetFlyBehavior(new FlyWithWingsTypeTwo());
myDuck.SetQuackBehavior(new NoQuack());
myDuck.PerformFly();
myDuck.PerformQuack();
myDuck = new RubberDuck();
myDuck.Display();
myDuck.PerformFly();
myDuck.PerformQuack();
myDuck.SetFlyBehavior(new FlyWithJet());
myDuck.SetQuackBehavior(new QuackLikeMallardDuck());
myDuck.PerformFly();
myDuck.PerformQuack();
}
