Stream File VB.Net Tutorial

Imports System.IO
Imports System
public class Test
   public Shared Sub Main
        Dim sr As IO.StreamReader
        Try
            sr = New IO.StreamReader("test.txt")
            Console.WriteLine(sr.ReadToEnd())
        Catch ex As IO.FileNotFoundException
            Console.WriteLine("FileNotFoundException")
        Catch ex As IO.IOException
            Console.WriteLine("IOException")
        Catch ex As Exception
            Console.WriteLine("Error Loading File")
        Finally
            sr.Close()
        End Try
   End Sub
End class
Hello world!