操作回顧
為了看看執行情況
Public Overrides Function Warning() As String
Return _warningSound
End Function
這表示繼承類可以重寫這個方法
Public Class Car
Inherits Vehicle
Public Sub New()
_wheels =
_topSpeed =
_warningSound =
End Sub
End Class
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From:http://tw.wingwit.com/Article/program/net/201311/14578.html