Billy:
Have you looked at the JDBC tutorial on Sun's site? If you *really* want your
hand held, (;-) that's the place to go!
http://java.sun.com/docs/books/tutorial/jdbc/index.html
Good luck!
Geeta
"Graham, Billy" wrote:
> Hi Mike,
>
> To answer your first question "What does this do?" - I'm relatively new to
> java and database programming, as is pretty obvious, so (as most people do)
> I found a 'good' example to start from (see link below). I'm afraid I can't
> answer your question as to what it does, except that I hoped it was doing
> the 'right thing' as it comes from a university Computing site!
>
> http://ijsr209.infj.ulst.ac.uk/tutorial/listinginf.html
>
> After your e-mail, I referenced my servlet computing book and replaced the
> line of code with "Class.forName(driverName);" in both servlets (is this
> correct??). This change works OK but the bug also remains - again the only
> thing removing the bug is putting 'Synchronized' around the code block.
>
> Have you any other suggestions for me to try.
>
> Many thanks - regards, Billy.
>
> -----Original Message-----
> From: Mike Marchywka [mailto:[EMAIL PROTECTED]]
> Sent: 20 September 2001 11:44
> To: [EMAIL PROTECTED]
> Subject: Re: FW: Inconsistent behaviour in Servlet output
>
> //connect to the database, pose the query and obtain the results
> try
> { Class.forName(driverName).newInstance();
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> What does this do? It can only do ANYTHING via side-effects.
> Does the no-parameter constructor have side-effects?
> How long do the side-effects remain effective?
>
> con = DriverManager.getConnection(connectionURL);
> Beware also of static hidden in your calls. Apparently, this
> is synchronized but it is also a static method.
>
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