Public Class frmMain
Private Sub btnTest_Click(sender As Object, e As EventArgs) Handles btnTest.Click
Dim name As String
Dim age As Integer
Dim i As Integer
Dim user As ArrayList
user = New ArrayList()
For i = 1 To 3
user.Add("user" + i.ToString())
If i = 1 Then
MsgBox("a" + i.ToString())
Else
MsgBox(i.ToString())
End If
Next
name = "jzh"
age = 35
MsgBox(name + " " + age.ToString())
For i = 0 To user.Count - 1
MsgBox(user.Item(i))
Next
End Sub
End Class