Question

How to convert ArrayList of integers to ArrayList of strings in VB.NET

Answer 1

Module Module1

    Sub Main()

        Dim intArr As New ArrayList({1, 2, 3, 4})
        Dim strArr As New ArrayList(intArr.ToArray().Select(Function(x) x.ToString()).ToArray())

        For Each element As String In strArr
            Console.WriteLine(element)
        Next

    End Sub

End Module

'run:
' 
' 1
' 2
' 3
' 4

 

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Answer 2

Module Module1

    Sub Main()

        Dim intArr As New ArrayList({1, 2, 3, 4})
        Dim strArr As New ArrayList

        For i As Integer = 0 To intArr.Count - 1
            strArr.Add(intArr(i).ToString())
        Next

        For Each element As String In strArr
            Console.WriteLine(element)
        Next

    End Sub

End Module

'run:
' 
' 1
' 2
' 3
' 4

 

70+ SQL courses for beginners and professionals