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Hi friends, I am new to the development.Any one of you please clear my doubts..
1)What will happen if i create a contrutor to my servlet? 2) can i creata thread in service method and can i use it ? 3) How to call a user difined method in one servlet from another servelt? 4)init() method is called only once,but there r two overloaded init methods,which one will be called when servlet is loaded? 5)why should i go to EJB if i can write my business logic using servlets itself? 6) how to use the filter when server is sending response to the clinet? ThankYou.
We're pleased to have you here with us in the JSP forum, but there are a few rules that need to be followed, and one is that proper names are required. Please take a look at the JavaRanch Naming Policy and adjust your display name to match it.
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This forum is dedicated to JSP issues. I'll move your thread to the Servlets forum for you.
Again, welcome to JavaRanch and good luck with your question. -Ben
1)What will happen if i create a contrutor to my servlet? ** the servlet container will always call a no-args constructor, there is no good reason to do this - instead, follow the servlet API and use init
2) can i creata thread in service method and can i use it ? ** sure, just be careful - there have been many discussions of when this might be desirable, (not very often) do a search in this forum.
3) How to call a user difined method in one servlet from another servelt? ** This would be a bad design, keep your servlet code simple and put useful methods in helper classes.
4)init() method is called only once,but there r two overloaded init methods,which one will be called when servlet is loaded? ** use one or the other, not both in your servlet code
5)why should i go to EJB if i can write my business logic using servlets itself? ** no good reason to use EJB if you dont have to.
6) how to use the filter when server is sending response to the clinet? ** read the JavaDocs for filters
Joined: Jul 10, 2006
ThankYou bill.. I got very perfect answers from you i think.Thankyou very much
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