FAQ: Working with Text - Manipulate Strings

This community-built FAQ covers the “Manipulate Strings” exercise from the lesson “Working with Text”.

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FAQs on the exercise Manipulate Strings

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1 Like

This was interesting while I wrote the code in, then ran the code
It marked a nice green check mark claiming that it was correct RIGHT!
WRONG, While errors was popping up on the other side. So why is that?

1 Like

Ran into the same problem.
Don’t initialize the same variable a second time in the same scope.
WRONG:

      // Make camera directions uppercase
      string cameraDirections = cameraDirections.ToUpper();

      // Make scene description lowercase
      string sceneDescription = sceneDescription.ToLower();

Instead simply override the value of the variable.
CORRECT:

      // Make camera directions uppercase
      cameraDirections = cameraDirections.ToUpper();

      // Make scene description lowercase
      sceneDescription = sceneDescription.ToLower();

Hope that helps. :+1:

11 Likes

To be more specific, this is the error: "Program.cs(22,11): error CS0128: A local variable or function named ‘cameraDirections’ is already defined in this scope [/home/ccuser/workspace/csharp-working-with-text-manipulate-strings/e7-workspace.csproj]
Program.cs(25,11): error CS0128: A local variable or function named ‘sceneDescription’ is already defined in this scope [/home/ccuser/workspace/csharp-working-with-text-manipulate-strings/e7-workspace.csproj]

The build failed. Please fix the build errors and run again."

Am I the only one that finds it odd that there asking us to override the value of the variable yet they haven’t taught us how to do so.

2 Likes

Exactly my thoughts. I ended up having the solution being given to me instead of solving it myself. Now I’m sad.

Same problem here. Anyone else?

it might be because you are doing:

string cameraDirections = cameraDirections.ToUpper();

Do this instead:

cameraDirections = cameraDirections.ToUpper();