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C# C# Objects Encapsulation with Properties Expression Bodied Members

Use the syntactic sugar just learned about to convert the Area property to a single line property.

Use the syntactic sugar just learned about to convert the Area property to a single line property.

Square.cs
namespace Treehouse.CodeChallenges
{
    class Square : Polygon
    {
        public double SideLength { get; private set; }

        public double Area 
        { 
            get { return SideLength * SideLength; } 
        }

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

        public void Scale(double factor)
        {
            SideLength *= factor;
        }
    }
}
Polygon.cs
namespace Treehouse.CodeChallenges
{
    class Polygon
    {
        public int NumSides { get; private set; }

        public Polygon(int numSides)
        {
            NumSides = numSides;
        }
    }
}

1 Answer

Steven Parker
Steven Parker
220,634 Points

The challenge is to convert it to the "arrow" notation.

This is very similar to what was done for the Location property at about time index 1:27 of the Expression Bodied Members video. You just need to add the "=>" operator, and remove get, return, and all the braces.