Expert Dot Net

using System;

using System.Linq;

using System.Collections;

using System.Collections.Generic;

public class LINQDemo4 {

    public static void Main() {

        IEnumerable<int> intSequence = Enumerable.Range(1, 10);

        foreach (int item in intSequence)

            Console.WriteLine(item);

        int sum = intSequence.Aggregate(0, (s, i) => s + i);

        Console.WriteLine(sum);

    }

}

using System;

using System.Linq;

using System.Collections;

using System.Collections.Generic;

public class LINQDemo3 {

    public static void Main() {

        int N = 5;

        IEnumerable<int> intSequence = Enumerable.Range(1, N);

        foreach (int item in intSequence)

            Console.WriteLine(item);

        int agg = intSequence.Aggregate((av, e) => av * e);

        Console.WriteLine("{0}! = {1}", N, agg);

    }

}

using System;

using System.Collections;

using System.Collections.Generic;

using System.Text;

using System.Linq;

public class LINQDemo2{

   public static void Main(){

       int[] numbers = { 9, 3, 5, 4, 2, 6, 7, 1, 8 };

       var query = numbers.Aggregate(5, (a,b) => ( (a < b) ? (a * b) : a));

    }

}

using System;

using System.Collections;

using System.Collections.Generic;

using System.Text;

using System.Linq;

public class LINQDemo1 {

    public static void Main() {

        int[] numbers = { 1, 2, 3, 4, 5, 6, 7, 8, 9 };

        var query = numbers.Aggregate((a, b) => a * b);

    }

}