Re: THE SINGLETON PATTERN ?

From: Andrey Dobrov (adob_at_isd.dp.ua)
Date: 10/07/04

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    Date: Thu, 7 Oct 2004 10:15:19 +0300

    Hi Alicia
    1) I uses protected constructor when I use singleton pattern

    2) You can read more about singleton here
    http://www.javaworld.com/javaworld/jw-02-2001/jw-0209-double_p.html, 

    -- 
With best reguards,
Andrey Dobrov
ext 1111
"Alicia Roberts" <alic2301@hotmail.com> wrote in message 
news:Xns957AF128F478Falic2301hotmailcom@216.77.188.18...
> Hello everyone, I have been researching the Singleton Pattern.  Since the
> singleton pattern uses a private constructor which in turn reduces
> extendability, if you make the Singleton Polymorphic what sort of
> problems/issues should be considered?
>
> Also, I see that a singleton needs to be set up with certain data such as
> file name, database URL etc.  What issues are involved in this, and how
> would you do this?
>
> If someone knows about the Singleton pattern please reply.  Thanks
>
> Alicia
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