C# program to check element exists in Queue or not

Syntax:

bool Queue.Contains(object item);

Program to check element exists in Queue or not in C#

using System;
using System.Collections;

namespace ConsoleApplication1
{
    
    class Program
    {
        static void Main()
        {
            Queue Q = new Queue(5);

            Q.Enqueue(10);
            Q.Enqueue(20);
            Q.Enqueue(30);
            Q.Enqueue(40);

            if (Q.Contains(30))
                Console.WriteLine("Item exists in queue");
            else
                Console.WriteLine("Item does not exist in queue");

        }
    }
}

Output

Item exists in queue.