Simple Demo for Stack: Push, Pop and Peek
Imports System
Imports System.Collections
Public Class MainClass
Shared Sub Main(ByVal args As String())
Dim intStack As New Stack( )
' populate the stack
Dim i As Integer
For i = 0 To 7
intStack.Push((i * 5))
Next i
' Display the Stack.
Console.WriteLine("intStack values:")
DisplayValues(intStack)
' Remove an element from the stack.
Console.WriteLine("(Pop){0}", intStack.Pop( ))
' Display the Stack.
Console.WriteLine("intStack values:")
DisplayValues(intStack)
' Remove another element from the stack.
Console.WriteLine("(Pop){0}", intStack.Pop( ))
' Display the Stack.
Console.WriteLine("intStack values:")
DisplayValues(intStack)
' View the first element in the
' Stack but do not remove.
Console.WriteLine("(Peek) {0}", intStack.Peek( ))
' Display the Stack.
Console.WriteLine("intStack values:")
DisplayValues(intStack)
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 'DisplayValues
End Class
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