C# Online Compiler | .NET Fiddle

using System;
using System.Collections;
					
public class QueueProgramInCsharp
{
	public static void Main()
	{
		Queue myQueue= new Queue();
		
		//add elements in queue
		myQueue.Enqueue(1);
		myQueue.Enqueue(2);
		myQueue.Enqueue(3);
		
		//print queue
		Console.WriteLine("Queue after adding elements:");
		PrintQueue(myQueue);
		Console.WriteLine();
		
		//remove element from queue
		myQueue.Dequeue();
		Console.WriteLine();
		
		//check queue now
		Console.WriteLine("Queue after removing a element:");
		PrintQueue(myQueue);
		Console.WriteLine();
		
		//using peek method to get top item of queue
		Console.WriteLine("Top item of queue using peek:"+ myQueue.Peek());
	   	Console.WriteLine();
		
		//check if element exists in queue
		Console.WriteLine("Element  3 exists in queue :"+ myQueue.Contains(3));
	   	Console.WriteLine();
		
		//clear queue
		myQueue.Clear();
		Console.WriteLine("After using clear method, try to print queue items, no items exists and hence nothing is printed");
		PrintQueue(myQueue);
	}
	
	//print queue
	public static void PrintQueue(Queue myQueue)
	{
		foreach(var item in myQueue)
		{
			Console.WriteLine(item);
		}
	}
}

 
using System;
using System.Collections;
                    
public class QueueProgramInCsharp
{
    public static void Main()
    {
        Queue myQueue= new Queue();
        
        //add elements in queue
        myQueue.Enqueue(1);
        myQueue.Enqueue(2);
        myQueue.Enqueue(3);
        
        //print queue
        Console.WriteLine("Queue after adding elements:");
        PrintQueue(myQueue);
        Console.WriteLine();
        
        //remove element from queue
        myQueue.Dequeue();
        Console.WriteLine();
        
        //check queue now