Hi,
Do not let the servlet read&write the file. Make use of the Singleton
pattern to create a single static instance of a class which does this
for you. The different servlets then access this class to get the
values.
See for more patterns...
http://c2.com/cgi/wiki?DesignPatterns
At 01:36 PM 2000/07/10, Marcos wrote:
>hi,
>
> i have running a sevlets that reads from a file a number and it adds
>
>one more. after changes it saves.
> i want to use the same file from another servlet. any problem?? if
>both servlets try to open and save at the same time.
>
>file = 4455
>
>servlet 1 servlet2
>{ {
> read from file 4455 read from file 4455
> ++ ++
> 4456 4456
> save save
>} }
>
>it is wrong. in file should be 4457.
>
>thanks in advance,
>
>marcos
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