Data Structure VB.Net

Imports System
Public Class Example
    Public Shared Sub Main()
        Dim numbers() As String = { "Five", "Two","One","Ten","Seven","Twenty","Zero","Last" }
        For Each num As String In numbers
            Console.WriteLine(num)
        Next
        Console.WriteLine(Array.FindIndex(numbers, AddressOf EndsWithT))
        Console.WriteLine(Array.FindIndex(numbers, 2, AddressOf EndsWithT))
        Console.WriteLine(Array.FindIndex(numbers, 2, 3, AddressOf EndsWithT))
    End Sub
    Private Shared Function EndsWithT(ByVal s As String) As Boolean
        If s.Substring(s.Length - 2, s.Length - 1).ToLower() = "t" Then
            Return True
        Else
            Return False
        End If
    End Function
End Class