C# Enumerable Average(IEnumerable>)

Description

Computes the average of a sequence of nullable Int64 values.

Syntax


public static Nullable<double> Average(
  this IEnumerable<Nullable<long>> source
)

Parameters

  • source - A sequence of nullable Int64 values to calculate the average of.

Example

The following code example demonstrates how to use Average(IEnumerable) to calculate an average.


/*w  ww .j a v a2s.  c om*/
using System;
using System.Linq;
using System.Collections.Generic;
public class MainClass{
  public static void Main(String[] argv){  
    long?[] longs = { null, 10007L, 37L, 12123123123123L };
    double? average = longs.Average();
    Console.WriteLine("The average is {0}.", average);

  }
}
    

The code above generates the following result.





















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