using System;

​

public class Program

{

    public static void Main()

    {

        RectangleShape rect = new RectangleShape() {Height = 10, Width = 20};

        Console.WriteLine("Rectangle Area: {0}", rect.Area());

        DrawScreen.Draw(rect);

        Print.Draw(rect);

        OvalShape oval = new OvalShape(){Height = 10, Width = 10};

        Console.WriteLine("Oval Area: {0}", oval.Area());

        DrawScreen.Draw(oval);

        Print.Draw(oval);

    }

}

​

​

public interface IShape

{

    int Height {get;set;}

    int Width {get;set;}

    double Area();

}

​

public class RectangleShape : IShape

{

    public int Height{ get; set; }

    public int Width { get; set; }

    // Responibiliy  - Calc Area    

    public double Area()

    {

        return Width * Height;

    }

}

​

public class OvalShape : IShape

{

    public int Height{ get; set; }

    public int Width { get; set; }

    // Responibiliy  - Calc Area    

    public double Area()

    {

        return Math.PI * Width * Height;

    }

}

​

public static class DrawScreen

{

    // Responsibility - Draw Screen

    public static void Draw(IShape shape)

    {

        Console.WriteLine("Drawing to screen Shape - Height: {0} Width: {1}", shape.Height, shape.Width);

    }

}

​

public static class Print

{

    // Responsibility - Print

    public static void Draw(IShape shape)

    {

        Console.WriteLine("Printing to printer Shape - Height: {0} Width: {1}", shape.Height, shape.Width);

    }

}

​