Last

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;

class Program
{
    static void Main()
    {
        int[] numbers = { 1, 2, 3, 4, 5 };

        int last = numbers.Last();  // 5

        int lastEven = numbers.Last(n => n % 2 == 0); // 4

        Console.WriteLine(last);
        Console.WriteLine(lastEven);
    }
}