Question

How to empty an array in VB.NET

Answer 1

Imports System

Public Class Program
	Public Shared Sub Main()
        Dim arr As String() = {"c#", "c++", "java", "python"}
		
        Console.WriteLine(String.Join(" ", arr))
		
        Array.Clear(arr, 0, arr.Length)
		
        Console.WriteLine(arr.Length)
		
        Console.WriteLine(String.Join(" ", arr))
    End Sub
End Class






' run:
'
' c# c++ java python
' 4
'

 

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Answer 2

Imports System

Public Class Program
	Public Shared Sub Main()
        Dim arr As Integer() = New Integer() {3, 6, 2, 8, 1, 9, 3}
		
        Console.WriteLine(String.Join(" ", arr))
		
        Array.Clear(arr, 0, arr.Length)
		
        Console.WriteLine(arr.Length)
		
        Console.WriteLine(String.Join(" ", arr))
    End Sub
End Class






' run:
'
' 3 6 2 8 1 9 3
' 7
' 0 0 0 0 0 0 0
'

 

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