Public Class MainClass
Public Shared Sub Main()
'Strings
Dim strConstant As String = "ABC"
Dim strRepeat As New String("A"c, 20)
Dim strMyString As String = "Hello World"
strMyString = Nothing
Dim sysNull As System.DBNull
If strMyString Is sysNull Then
strMyString = "Initialize my String"
End If
If Not IsDBNull(strMyString) Then
Console.WriteLine(strMyString)
End If
End Sub
End Class