Imports System
Imports System.Collections.Generic
Public Class Program
Public Shared Sub Main(ByVal args As String())
Dim st As ISet(Of String) = New HashSet(Of String)()
st.Add("Java")
st.Add("C++")
st.Add("Python")
st.Add("C")
st.Add("C#")
st.Add("VB.NET")
For Each s As String In st
Console.WriteLine(s)
Next
End Sub
End Class
' run:
'
' Java
' C++
' Python
' C
' C#
' VB.NET
'