Adding varying string values to a List inside a dictionary

Question

I have varying string values that I want to add to a key inside a dictionary.

What is the correct answer(key)
AnswerA(value)
AnswerB(value)
AnswerC(value)

I am doing this by using the split on a string(which happens in a loop).

string[] arr = l.ContentDescription.Split('|').ToArray();
Dictionary<string, List<string>> questions = new Dictionary<string, List<string>>();

for (int i = 0; i < arr.Length - 1; i++)
{
    var arrB = arr[i + 1].Split('*').ToArray();
    //all theanswers should now be added to the list 
    questions.Add(arrB[0], new List<string>() { });
}

arr looks something like this

Choose the correct answer and submit|What is the correct answer*AnswerA*AnswerB*AnswerC

What is the best way of adding these answer values if they vary in length

Maybe questions.Add(arrB[0], arrB.Skip(1).ToList() ); ?

Yacoub Massad
– Yacoub Massad

2016-04-28 09:20:41 +00:00
Commented Apr 28, 2016 at 9:20 — Yacoub Massad
– Yacoub Massad, Commented Apr 28, 2016 at 9:20

Manfred Radlwimmer · Accepted Answer · 2016-04-28 09:22:06Z

2

Just skip the first element in your array (Linq):

questions.Add(arrB[0], arrB.Skip(1).ToList());

answered Apr 28, 2016 at 9:22

Manfred Radlwimmer

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Comments

Yacoub Massad · Accepted Answer · 2016-04-28 09:26:02Z

1

As I mentioned in the comment, a quick solution is to use Skip like this:

questions.Add(arrB[0], arrB.Skip(1).ToList());

Here is how I would do it all in LINQ:

var questions =
    l.ContentDescription
    .Split('|')
    .Skip(1) //get rid of "Choose the correct answer and submit"
    .Select(x => x.Split('*'))
    .ToDictionary(x => x[0], x => x.Skip(1).ToList());

answered Apr 28, 2016 at 9:26

Yacoub Massad

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