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C# C# Basics (Retired) Perfect Variable Scope

Steve Agusta
Steve Agusta
6,221 Points
Posted by Steve Agusta
Steve Agusta
6,221 Points

Problem with C# basics challenge: variable scope

I have rewritten the code to remove the output string from outside of the if statement, I understand why that was not working. But input should be able to be used inside the if statement, correct?

static void Main() {
input = Console.ReadLine();

        if (input == "quit")
        {
            Console.WriteLine("Goodbye.");
        }
        else
        {
            Console.WriteLine("You entered " + input + ".");
        }
Program.cs 
using System;

namespace Treehouse.CodeChallenges
{
    class Program
    {
        static void Main()
        {            
            input = Console.ReadLine();

            if (input == "quit")
            {
                Console.WriteLine("Goodbye.");
            }
            else
            {
                Console.WriteLine("You entered " + input + ".");
            }


        }
    }
}

2 Answers

Jennifer Nordell
seal-mask
STAFF
.a{fill-rule:evenodd;}techdegree
Jennifer Nordell
Treehouse Teacher
Jennifer Nordell
.a{fill-rule:evenodd;}techdegree
Jennifer Nordell
Treehouse Teacher

You're correct, but there's still a problem here. Your input variable isn't declared anywhere. C# is one of those languages where you have to declare the variable before you can use it. Here's your code edited so that it passes. Take a look:

using System;

namespace Treehouse.CodeChallenges
{
    class Program
    {
        static void Main()
        {            
            String input = Console.ReadLine();

            if (input == "quit")
            {
                Console.WriteLine("Goodbye.");
            }
            else
            {
                Console.WriteLine("You entered " + input + ".");
            }
        }
    }
}

edited because of miscopying the code to paste into the challenge. Thought closing brace was missing

Good luck! :thumbsup:

Steve Agusta
Steve Agusta
6,221 Points
Steve Agusta
Steve Agusta
6,221 Points

Thanks! I actually did have the closing brace, just missed it when I copied the code. I missed the string declaration in front of the input variable. I was expecting the exercise to be more related to try/catch.