Question

How to use LastOrDefault() to find the last element of int array that matches a condition in C#

Answer 1

using System;
using System.Linq;

namespace ConsoleApplication_C_Sharp
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] arr1 = { 1, 2, 3, 4, 5 };

            Console.WriteLine(arr1.LastOrDefault());

            int[] arr2 = { };
            Console.WriteLine(arr2.LastOrDefault());

            // Get the last even number
            Console.WriteLine(arr1.LastOrDefault(element => element % 2 == 0));
        }
    }
}


/*
run:

5
0
4

*/

 

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