The Peek method is used to look at the next item in the queue

   

Imports System
Imports System.Collections.Generic

Module Example
    Sub Main
        Dim numbers As New Queue(Of String)
        numbers.Enqueue("one")
        numbers.Enqueue("two")
        numbers.Enqueue("three")
        numbers.Enqueue("four")
        numbers.Enqueue("five")

        Console.WriteLine("Peek at next item to dequeue: {0}", numbers.Peek())    
    End Sub
End Module

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1.	Queue Demo: enqueue, dequeue and peek
2.	Queue Item Count
3.	Simple Demo for Queue: Enqueue, Dequeue and Peek
4.	Creates a queue of strings with default capacity and uses the Enqueue method to queue five strings.
5.	The elements of the queue are enumerated, which does not change the state of the queue.
6.	The Dequeue method is used to dequeue the first string.
7.	The ToArray method is used to create an array and copy the queue elements to it
8.	the array is passed to the Queue<(Of <(T>)>) constructor that takes IEnumerable<(Of <(T>)>)
9.	CopyTo method is used to copy the array elements beginning at the middle of the array.
10.	Create a second copy of the queue containing three null elements at the beginning.
11.	Queue Class represents a first-in, first-out collection of objects.

The Peek method is used to look at the next item in the queue : Queue « Data Structure « VB.Net

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