public interface IPizza

{

    void Prepare();

}

​

public class StuffedCrustPizza : IPizza

{

    public void Prepare()

    {

        // Set settings in system for stuffed crust preparations

    }

}

​

public class DeepDishPizza : IPizza

{

    public void Prepare()

    {

        // Set settings in system for deep dish preparations

    }

}