Use Action delegate to create Anonymous Methods for calculating the mean value in CSharp

    //w  w w .j  av  a 2s . c o  m

using System;
using System.Collections.Generic;
using System.ComponentModel;

    class MainClass
    {
        static void Main()
        {
            Action<IList<double>> printMean = delegate(IList<double> numbers)
                {
                    double total = 0;
                    foreach (double value in numbers)
                    {
                        total += value;
                    }
                    Console.WriteLine(total / numbers.Count);
                };

            double[] samples = { 1.5, 2.5, 3, 4.5 };

            printMean(samples);
        }
    }