Use ElementAt to print the fourth number less that 5 in an integer array : ElementAt « LINQ « C# / CSharp Tutorial

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C# / CSharp Tutorial » LINQ » ElementAt 
22.32.4.Use ElementAt to print the fourth number less that 5 in an integer array
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

public class MainClass {
    public static void Main() {
        int[] numbers = 541398672};

        int fourthLowNum = (
            from n in numbers
            where n < 5
            select n)
            .ElementAt(3)// 3 because sequences use 0-based indexing

        Console.WriteLine("Fourth number < 5: {0}", fourthLowNum);
    }
}
22.32.ElementAt
22.32.1.Using ElementAt
22.32.2.The element operators extract one element from the input sequence
22.32.3.Calling the ElementAt Operator
22.32.4.Use ElementAt to print the fourth number less that 5 in an integer array
22.32.5.Get the 5th element
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