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C# C# Basics (Retired) Perfect Variable Scope

Mytch Hagan
Mytch Hagan
1,876 Points

What?

I am confusion.

Program.cs
using System;

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

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

1 Answer

Steven Parker
Steven Parker
220,598 Points

Hi, confusion. I am information. :laughing:

I see you fixed the missing declaration of "input" ... now take a look at "output". Things to think about:

  • a variable should only be declared or initialized once
  • a variable should be declared in the widest scope in which it is used
  • a variable can be assigned any number of times

Also don't move any statements, that alters the intended behavior of the code. That WriteLine call needs to go back to where it was. (Hint: that's not one of the lines you need to make changes to).