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C# MCQs

Which of the following code snippets converts an IEnumerable<string> into a string containing comma separated values?

public static string ConvertToString(IEnumerable<T> source) { return new List<T>(source).ToArray(); }

public static string ConvertToString(IEnumerable<T> source) { return string.Join(",",source.ToArray()); }

public static string ConvertToString(IEnumerable<T> source) { return source.ToString(); }

public static string ConvertToString(IEnumerable<T> source) { return string.Join(source.ToArray()); }

Answer

Correct Answer: public static string ConvertToString(IEnumerable<T> source) { return string.Join(",",source.ToArray()); }

Explanation:

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