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servlets

 
chowdaryv
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how credit card validation goes on excatly.
 
siva kumar
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hi friend
one thing i know if u use servlet for validation.
the servlet should be threadsafe or it should be synchronized.
this is for draw the money.
but for validation while taking the password it will check
with general database that should be unique.if that is
matches it will send the response for further process.
otherwise gives the error page.samethig i am doing it for
chatserver.
thank u
 
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