///1. Write a LINQ to find first three even elements from a collection

// var tempList = new List<int> {3,5,6,9,8,10,3};

// output => {6,8,10}

​

using System;

using System.Linq;

using System.Collections;

using System.Collections.Generic;

using System.Linq.Expressions;

public class Program

{

    public static void Main()

    {

        List<int> tempList = new List<int> {3,5,6,9,8,10,3,12,7,20,31,56};

​

        //var evenlist= tempList.Where(x=>x%2==0).ToList().Take(3);   //) .Select<int>(x=>x/2==0).tolist();

         var evenlistTest= tempList.AmitoshWhere(x=> x%2==0).Take(3);

        //var evenlistTest= tempList.AmitoshWhere(x=>x%2==0).ToList().Take(3);

        foreach(int evenint in  evenlistTest)

        {       

            Console.Write(evenint);

        }

​

    }

}

​

public static class Extension

{

        public static List<int>  AmitoshWhere(this List<int> intlist, System.Predicate  predicate)

        {

            List<int> returnlist= new List<int>();

            //intlist.Where(predicate)

        return  intlist.FindAll(predicate);

        //  return returnlist;

        }

}

​

// Assume that there is no exisiting Where clause

// You are rewritting the same functionality of the where clause.

​

​