Use Aggregate Operators: Count : Count « LINQ « C# / CSharp Tutorial

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C# / CSharp Tutorial » LINQ » Count

22.29.4.Use Aggregate Operators: Count

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;



public class MainClass {

    public static void Main() {

        int[] factorsOf300 = { 2, 2, 3, 5, 5 };



        int uniqueFactors = factorsOf300.Distinct().Count();



        Console.WriteLine("There are {0} unique factors of 300.", uniqueFactors);

    }

}

22.29.Count
	22.29.1.	Count with string value
	22.29.2.	Count with string operator
	22.29.3.	The aggregation operators return a scalar value
	22.29.4.	Use Aggregate Operators: Count
	22.29.5.	Conditional Count
	22.29.6.	Nested Count
	22.29.7.	Numeric Aggregates: count
	22.29.8.	Count elements in a Range

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