Public Sub ArrayListExample()
Dim arlist1 As New ArrayList
arlist1.Add("abc")
arlist1.Add("def")
arlist1.Add("ghi")
arlist1.Add("jkl")
arlist1.Add("mno")
arlist1.Add("pqr")
arlist1.Add("ghi") ' this is a dupe
Dim xc = arlist1.Count
Dim b1 = arlist1.Contains("xyz") ' should be false
Dim b2 = arlist1.Contains("def") ' should be true
Dim xi = arlist1.IndexOf("def")
arlist1.Item(xi) = "stu" ' set the value if index xi
b2 = arlist1.Contains("def") ' should be false
Dim b3 = arlist1.Contains("stu") ' true because replaced def
Dim xi2 = arlist1.IndexOf("ghi")
Dim xl = arlist1.LastIndexOf("ghi")
End Sub