Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

C# C# Objects Inheritance Inheritance

michael edmondson
michael edmondson
4,510 Points

Use base to initialize NumSides to 4. im lost on how to go about this i tried a number of different things

Hey i feel like im kinda close but i tried a number of things and nothing has worked to Use base to initialize NumSides to 4. Can someone assist?

Polygon.cs
namespace Treehouse.CodeChallenges
{
    class Polygon
    {
        public readonly int NumSides;

        public Polygon(int numSides)
        {
            NumSides = numSides;
        }
    }
    class Square : Polygon
    {
        public readonly int SideLength;

        public Square(int sideLength) : base(4);
        {
            SideLength = sideLength;

        }     
    }
}

1 Answer

What you have for base is correct. It is the semicolon that follows that is causing the challenge to fail.