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Cole Vanlandingham
1,059 PointsInitializing numSides
How am I supposed to initialize the numSides variable?
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(numSides)
{
SideLength = sideLenght;
numSides = 4;
}
}
}
3 Answers
Steven Parker
229,670 PointsAnything you pass to the base constructor is used to initialize NumSides (capital "N").
So in the definition of your own constructor, you would call "base(4)" to initialize it to 4.
Also it looks like you have a typo where you have "sideLenght" instead of "sideLength".
Steve Perry
8,739 PointsSo why in the video did he type base(x,y) if it's inheriting from the Point class? How does typing x,y for a point makes sense?
Steven Parker
229,670 PointsIn the video example, he's passing the arguments that came in to the constructor along to the base. But here, the argument to Square is the length of the sides, but the base constructor is expecting the number of sides (which we know is 4 since it's a square).
Steve Perry
8,739 PointsSteven Parker wow, thanks so much that literally helped a ton!!! I appreciate it!