VB.NET Queue.Peek方法代碼示例

本文整理匯總了VB.NET中System.Collections.Queue.Peek方法的典型用法代碼示例。如果您正苦於以下問題：VB.NET Queue.Peek方法的具體用法？VB.NET Queue.Peek怎麽用？VB.NET Queue.Peek使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類System.Collections.Queue的用法示例。

在下文中一共展示了Queue.Peek方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的VB.NET代碼示例。

示例1: SamplesQueue

' 導入命名空間
Imports System.Collections

Public Class SamplesQueue
    
    
    Public Shared Sub Main()
        
        ' Creates and initializes a new Queue.
        Dim myQ As New Queue()
        myQ.Enqueue("The")
        myQ.Enqueue("quick")
        myQ.Enqueue("brown")
        myQ.Enqueue("fox")
        
        ' Displays the Queue.
        Console.Write("Queue values:")
        PrintValues(myQ)
        
        ' Removes an element from the Queue.
        Console.WriteLine("(Dequeue)    {0}", myQ.Dequeue())
        
        ' Displays the Queue.
        Console.Write("Queue values:")
        PrintValues(myQ)
        
        ' Removes another element from the Queue.
        Console.WriteLine("(Dequeue)    {0}", myQ.Dequeue())
        
        ' Displays the Queue.
        Console.Write("Queue values:")
        PrintValues(myQ)
        
        ' Views the first element in the Queue but does not remove it.
        Console.WriteLine("(Peek)       {0}", myQ.Peek())
        
        ' Displays the Queue.
        Console.Write("Queue values:")
        PrintValues(myQ)
    End Sub

    Public Shared Sub PrintValues(myCollection As IEnumerable)
        Dim obj As [Object]
        For Each obj In  myCollection
            Console.Write("    {0}", obj)
        Next obj
        Console.WriteLine()
    End Sub

End Class

開發者ID:VB.NET開發者，項目名稱:System.Collections，代碼行數:50，代碼來源:Queue.Peek

輸出：

Queue values:    The    quick    brown    fox
(Dequeue)    The
Queue values:    quick    brown    fox
(Dequeue)    quick
Queue values:    brown    fox
(Peek)       brown
Queue values:    brown    fox

示例2: MainClass

' 導入命名空間
Imports System
Imports System.Collections

Public Class MainClass
    
    Shared Sub Main()
             Dim intQueue As New Queue(  )

             Dim i As Integer
             For i = 0 To 4
                 intQueue.Enqueue((i * 5))
             Next i

             Console.WriteLine("intQueue values:")
             DisplayValues(intQueue)

             Console.WriteLine("(Dequeue) {0}", intQueue.Dequeue(  ))

             Console.WriteLine("intQueue values:")
             DisplayValues(intQueue)

             Console.WriteLine("(Dequeue) {0}", intQueue.Dequeue(  ))

             Console.WriteLine("intQueue values:")
             DisplayValues(intQueue)

             Console.WriteLine("(Peek)   {0}", intQueue.Peek(  ))

             Console.WriteLine("intQueue values:")
             DisplayValues(intQueue)
   End Sub

   Public Shared Sub DisplayValues(ByVal myCollection As IEnumerable)
       Dim myEnumerator As IEnumerator = myCollection.GetEnumerator(  )
       While myEnumerator.MoveNext(  )
           Console.WriteLine("{0} ", myEnumerator.Current)
       End While
       Console.WriteLine(  )
   End Sub

End Class

開發者ID:VB程序員，項目名稱:System.Collections，代碼行數:42，代碼來源:Queue.Peek

注：本文中的System.Collections.Queue.Peek方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。