Add different data types to ArrayList : ArrayList « Collections « VB.Net Tutorial

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VB.Net Tutorial » Collections » ArrayList   8. 11. 2. Add different data types to ArrayList     Imports System.Collections public class AddElementsToArrayLista    public Shared Sub Main                Dim alist1 As New ArrayList()                alist1.Add("Hello")       'Add a System.String                alist1.Add(714)   'Add a System.Int32                alist1.Add(New DateTime(2003, 1, 1))      'Add a System.DateTime                alist1.Add(#1/1/2003#)    'Add a System.DateTime                alist1.Add(4.5)   'Add a System.Double                alist1.Add(4.5F)          'Add a System.Single                Dim o As Object                For Each o In alist1                        Console.WriteLine(o & ": " & o.GetType().ToString())                Next    End Sub End class             Hello: System.String 714: System.Int32 01/01/2003: System.DateTime 01/01/2003: System.DateTime 4.5: System.Double 4.5: System.Single 8. 11. ArrayList 8. 11. 1.  Add user defined object to ArrayList 8. 11. 2.  Add different data types to ArrayList 8. 11. 3.  Use ArrayList to store objects 8. 11. 4.  Use For Each to loop through the ArrayList 8. 11. 5.  Convert ArrayList to array 8. 11. 6.  Use DirectCast to convert ArrayList to array 8. 11. 7.  Use ArrayList.Contains to check if a object already exists 8. 11. 8.  Remove element in an ArrayList by index

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