Data Types VB.Net

Class Sample
   Public Shared Sub Main()
      Dim xDouble1 As Double = 6.0
      Console.WriteLine(xDouble1)
      Console.WriteLine(Test(Math.Sign(xDouble1)))
   End Sub 
   Public Shared Function Test([compare] As Integer) As [String]
      If [compare] = 0 Then
         Return "equal to"
      ElseIf [compare] < 0 Then
         Return "less than"
      Else
         Return "greater than"
      End If
   End Function
End Class