Question

How to swap two values of an array in VB.NET

Answer 1

Imports System

Public Class Program
	Public Shared Sub Swap(Of T)(ByRef a As T, ByRef b As T)
        Dim temp As T = a
        a = b
        b = temp
    End Sub

    Public Shared Sub Main()
        Dim arr As Integer() = New Integer() {99, 3, 7, 0, 2, 1, 8, 6}
        
		Swap(arr(0), arr(4))

        For i As Integer = 0 To arr.Length - 1
            Console.Write(arr(i) & " ")
        Next
    End Sub
End Class





' run:
'
' 2 3 7 0 99 1 8 6
'

 

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