/*

​

Instructions

------------

This program relies on an call to an external dependency that sometimes fails.

Handle the exception and ouput the appropriate response.

​

*/

using System;

​

public class Program

{

    public void Main()

    {

        Result result = GetResult();

        Console.WriteLine(result.Successful ? "It worked!!" : "Oops, something went wrong. Error message : {0}",result.Msg);

    }

​

    private Result GetResult()

    {

        Result result = new Result();

        try

        {

            ExternalDependency service = new ExternalDependency();

            service.DoWork();

            result.Successful = true;

        }

        catch (Exception ex)

        {

            result.Successful = false;

            result.Msg=ex.Message.ToString();

        }

​

        return result;

    }

}

​

public class Result

{

    public bool Successful

    {

        get;

        set;

    }

​

    public string Msg

    {

        get;

        set;

    }

}

​

// Please do not change the following class.

// Assume that it is an external dependency that is out of your control.

sealed class ExternalDependency

{

    public void DoWork()

    {

        int[] array = new int[1];

        array[new Random().Next(2)] = 0;

    }

}