Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

C# C# Objects Inheritance Catching Exceptions

Ikechukwu Arum
Ikechukwu Arum
5,337 Points
Posted by Ikechukwu Arum
Ikechukwu Arum
5,337 Points

what is wrong with my try-catch code? please help

using System; int value = int.Parse(Console.ReadLine());

try{ (value < 0 || value > 20) }

catch(Exception) {

    Console.WriteLine("Value is out of bounds!");
}

Console.WriteLine(string.Format("You entered {0}",value));

Program.cs 
using System;
int value = int.Parse(Console.ReadLine());

try{ 
    (value < 0 || value > 20)
}

    catch(Exception) {

        Console.WriteLine("Value is out of bounds!");
    }

Console.WriteLine(string.Format("You entered {0}",value));
Thor Giversen
Thor Giversen
771 Points
Thor Giversen
Thor Giversen
771 Points 
int value = int.Parse(Console.ReadLine());

try
{
    if (!(value < 0 || value > 20))
    {
        Console.WriteLine(string.Format("You entered {0}",value));
    }
    else
    {
        Console.WriteLine("Value is out of bounds!");
    }
}    
catch (Exception e)
{
     Console.WriteLine("Value is out of bounds!");
}

Hope this helps

Steven Parker
Steven Parker
229,783 Points
Steven Parker
Steven Parker
229,783 Points

:warning: Note: this solution is not in accordance with the challenge instructions. It does, however, successfully exploit a bug in the validator to receive a "pass" result.

If you submit this in a bug report to Support, you might earn an "Exterminator" badge for the discovery.

1 Answer

Steven Parker
Steven Parker
229,783 Points
Steven Parker
Steven Parker
229,783 Points

Don't remove any of the code originally provided.

The entire "if" statement wth the following code block should be enclosed in the "try" block.