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C# C# Basics (Retired) Perfect Final

Posted by Rick Love
Rick Love
5,312 Points

What is wrong woth this code?

Why isn't this code passing?

Program.cs 
using System;

namespace Treehouse.CodeChallenges
{
    class Program
    {
        static void Main()
        {
            try
            {

                Console.Write("Enter the number of times to print \"Yay!\": ");
                var input = Console.ReadLine();

                var count = double.Parse(input);

                if (count <= 0)
                {
                    Console.WriteLine("You must enter a positive number.");
                }
                else
                {

                    var i = 0;
                    while(i < count)
                    {
                        i += 1;   
                        Console.WriteLine("Yay!");
                    }
                }

            }
            catch(FormatException)
            {
                Console.WriteLine("You must enter a whole number.");
            }

        }
    }
}

1 Answer

Steven Parker
Steven Parker
229,695 Points
Steven Parker
Steven Parker
229,695 Points

For the "try...catch" to detect exceptions caused by non-whole numbers, you need to use "int.Parse". By using "double.Parse", numbers with decimals will be converted successfully without causing an exception.