Imports System
Imports System.Collections
Public Class MainClass
Shared Sub Main()
Dim s1 As String = "abcd"
Dim s2 As String = "ABCD"
' concatenation method
Dim s3 As String = String.Concat(s1, s2)
Console.WriteLine("s3 concatenated from s1 and s2: {0}", s3)
' use the overloaded operator
Dim s4 As String = s1 & s2
Console.WriteLine("s4 concatenated from s1 & s2: {0}", s4)
End Sub
End Class