Imports System
Public Class Program
Public Shared Sub Main()
Dim arr As String() = {"c#", "c", "c++", "java", "rust"}
Dim first As String = arr(0)
Dim last As String = arr(arr.Length - 1)
Console.WriteLine("FIRST: " & first)
Console.WriteLine("LAST: " & last)
End Sub
End Class
' run:
'
' FIRST: c#
' LAST: rust
'