How to loop through string array and add each element to object array

Question

Im trying to loop through a string array named string[] splitWords. The array is in the following format:

 // Write your main here
    Write("Enter a number between 1 & 10: ");
    int input = Convert.ToInt32(ReadLine());

    Random ranNumberGenerator = new Random();
    int randomNumber;
    randomNumber = ranNumberGenerator.Next(1, 11);

    if (input == randomNumber)
    {
        WriteLine("correct");
    }
    else if (input < randomNumber)
    {
        WriteLine("too low");
    }
    else
    {
        WriteLine("too high");
    }

Im currently trying to loop through the array which has each element split up individually and assign it to an object array. For example, need to be in their own object array element and so on (every 3 elements). And so in total, there will be 5 elements in the object array. Currently my code is not working, or giving me any errors.

 // Write your main here
        Write("Enter a number between 1 & 10: ");
        int input = Convert.ToInt32(ReadLine());

        Random ranNumberGenerator = new Random();
        int randomNumber;
        randomNumber = ranNumberGenerator.Next(1, 11);

        if (input == randomNumber)
        {
            WriteLine("correct");
        }
        else if (input < randomNumber)
        {
            WriteLine("too low");
        }
        else
        {
            WriteLine("too high");
        }

Charles May · Accepted Answer · 2019-04-29 09:59:52Z

2

Your code is close, all you need to do is remove the if block

instead of:

stationNames[stationCounter] = new Station(splitWords[i], splitWords[i + 1], splitWords[i + 2]);
if (stationCounter % 3 == 0)
{
    stationCounter++;
}

You just need:

stationNames[stationCounter] = new Station(splitWords[i], splitWords[i + 1], splitWords[i + 2]);
stationCounter++;

Because each iteration of the loop moves 3 increments so you just need to increment the while counter each time.

answered Apr 29, 2019 at 9:59

Charles May

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Comments

Michał Turczyn · Accepted Answer · 2019-04-29 09:24:58Z

2

Using LINQ will make this task very easy:

Station[] stationNames = splitWords
  .Select(word => word.Split(' '))
  .Select(a => new Station(a[0], a[1], a[2]))
  .ToArray();

answered Apr 29, 2019 at 9:24

Michał Turczyn

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5 Comments

ben04rogers Over a year ago

This doesnt seem to work when i try to add it? Any help would be greatly appreciated

Michał Turczyn Over a year ago

@nextgenben99 In what way it doesn't work? What errors does it generate?

ben04rogers Over a year ago

It says System.IndexOutOfRangeException: 'Index was outside the bounds of the array.'

Enigmativity Over a year ago

@nextgenben99 - Then you have a line that doesn't have three items on it. What does your real data look like?

Hans Keﬆing Over a year ago

There is a possibility that LINQ is out of scope (too advanced) for a (possible) homework assignment

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