Imports System
Imports System.Linq
Public Class Program
Public Shared Sub Main()
Dim arr As String() = {"vb.net", "c#", "c", "c++", "php", "c", "c", "java", "vb.net"}
arr = arr.Distinct().ToArray()
Array.ForEach(arr, Sub(s) Console.WriteLine(s))
End Sub
End Class
' run:
'
' vb.net
' c#
' c
' c++
' php
' java
'