Imports System
Imports System.Linq
Imports System.Collections.Generic
Public Class Program
Public Shared Sub Main()
Dim s1 As String = "c# c++ c java php vb.net c javascript"
Dim s2 As String = "c python vb.net c++ c# vb.net java node.js"
Dim words = (s1 + " " + s2).Split()
Dim unique_words As IEnumerable(Of String) = words.Distinct()
For Each word In unique_words
Console.WriteLine(word)
Next
End Sub
End Class
' run:
'
' c#
' c++
' c
' java
' php
' vb.net
' javascript
' python
' node.js
'