Drawing Applicatio C#

Question

I have done the drawing applicatiln code coach and it didnt output anything:

using System;
using System.Collections.Generic;

namespace Code_Coach_Challenge
{
class Program
{
static void Main(string[] args)
{
new Draw().StartDraw();
new Brush().StartDraw();
new Spray().StartDraw();

}
}

interface IDraw
{
void StartDraw();
}

class Draw : IDraw
{
public virtual void StartDraw()
{
Console.WriteLine("Using pencil");
}
}

class Brush : Draw
{
public override void StartDraw()
{
Console.WriteLine("Using brush");
}

}

class Spray : Draw
{
public override void StartDraw()
{
Console.WriteLine("Using spray");
}

}
}

Others have same/similar codes to me and when i try theirs it doesnt work either
pls help

Answer 1

i troed it again and it worked sorry