PolymorphismExplanation

class BaseShape
{
    public virtual void Display()
    {
        Console.WriteLine("Displaying Base Class!");

    }
}

class Circle : BaseShape
{
    public override void Display()
    {
        Console.WriteLine("Displaying Circle Class!");            
    }
}

class Rectangle : BaseShape
{
    public override void Display()
    {
        Console.WriteLine("Displaying Rectangle Class!");            
    }
}

class Result
{
	public static List<BaseShape> Shapes = new List<BaseShape>();
    public static void Main()
    {            
		
        Shapes.Add(new Circle());
		Shapes.Add(new Circle());
        DisplayShapes_BAD();
    }
	
	public static void DisplayShapes_BAD(){
	
		foreach(var item in Shapes)
		{
			if(typeof(Circle) == item.GetType())
			{
				((Circle)item).Display();
			}
			if(typeof(Rectangle) == item.GetType())
			{
				((Circle)item).Display();
			}
		}
	}
	
	public static void DisplayShapes_GOOD(){
	
		foreach(var item in Shapes)
		{
			item.Display();
		}
	}
}