using System;

​

​

​

interface IProduct{

    void Action();

}

​

class ConcreteProductA : IProduct{

    public void Action(){

        Console.WriteLine("Product A");

    }

}

​

class ConcreteProductB : IProduct{

    public void Action(){

        Console.WriteLine("Product B");

    }

}

​

abstract class Creator {

    public abstract IProduct FactoryMethod();

}

​

class ConcreteCreatorA : Creator{

    public override IProduct FactoryMethod(){

        return new ConcreteProductA();  

    }

}

​

class ConcreteCreatorB : Creator{

    public override IProduct FactoryMethod(){

        return new ConcreteProductB();  

    }

}

​

Creator[] creators = new Creator[2];

creators[0] = new ConcreteCreatorA();

creators[1] = new ConcreteCreatorB();

foreach (Creator creator in creators)

        {

            IProduct product = creator.FactoryMethod();

            product.Action();

        }