Bo Xu wrote:

>
> Hi Nic :-)
>
> 0  Did you mean -->
>     *   if my Servlet class doesn't  implement SingleThreadModel, then
>          any Servlet engine  will never make more than one  instance
>          for my class?
>     *   if my Servlet class implements SingleThreadModel, then
>          perhaps some Servlet engines  will make instance pool for
>          my class, and some still make one instance?
>

Bo, ***please*** take Nic's advice and go download the servlet specification
(<http://java.sun.com/products/servlet/download.html>).  The answer to about 90% of
your servlet-related questions are found there.  It is pointless to keep asking
them over and over again here when we've already answered you (twice each).

As for general issues of multi-threading, there are textbooks and online tutorials
that cover it (these topics are not specific to servlets).

Craig McClanahan

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