Question

How to convert a HashSet to an array in VB.NET

Answer 1

Imports System
Imports System.Collections.Generic

Public Class Program
	Public Shared Sub Main()
        Dim hset As HashSet(Of String) = New HashSet(Of String) From {
            "c#",
            "vb.net",
            "c",
            "c++",
            "python"
        }
		
        Dim array As String() = New String(hset.Count - 1) {}
		
        hset.CopyTo(array)
		
        Console.WriteLine(String.Join(", ", array))
    End Sub
End Class



' run:
'
' c#, vb.net, c, c++, python
'

 

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Answer 2

Imports System
Imports System.Linq
Imports System.Collections.Generic

Public Class Program
	Public Shared Sub Main()
        Dim hset As HashSet(Of String) = New HashSet(Of String) From {
            "c#",
            "vb.net",
            "c",
            "c++",
            "python"
        }
		
		Dim array As String() = hset.ToArray()
		
        hset.CopyTo(array)
		
        Console.WriteLine(String.Join(", ", array))
    End Sub
End Class




' run:
'
' c#, vb.net, c, c++, python
'

 

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