Answer / srikanth

filters are used to preprocessing and postprocessing of
tasks like login,authorization,data compression,data
encoding etc

for this u need to override intit(),dofilter(),and destroy()

Answer / suresh royal

Filter is a special web resource program that is capable of
trapping the request and taking the response of other web
resource programs.

Filter is a interface .

A servlet program which is implemented javax.servlet.Filter
interface is called "Servlet Filter"

Filter having three methods..
==================================
init(FilterConfig fg)
DoFilter(SReq req ,Sres res,FilterChain fc)
destroy()

Why HttpServlet class is declared abstract?

0 Answers  

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Explain the different ways for servlet authentication?

0 Answers  

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What’s the difference between sendredirect and forward methods

0 Answers  

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What are different ways for authentication of servlet?

0 Answers  

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What is the difference between forward () and sendredirect () functions in servlet? Explain

0 Answers  

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Which is better approach among four(HttpSession,cookie,URL Rewriting, Hidden Fields) Session Tracking technic's ? Why ?

3 Answers   L&T,

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When a client request is sent to the servlet container, how does the container choose which servlet to invoke?

0 Answers  

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Can we use threads in Servlets?

0 Answers  

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Hi Frieds, I am new to servlet why to use servlet in webapplication. what i know is " use servlet as a controller in mvc and to implemnent business logic . is it correct ? One more thing reason for implementing business logic with servlets , why not jsp.

4 Answers  

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What is Client-Server Computing?

0 Answers   TCS,

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Difference between jakarta tomcat and apache Tomcat?

4 Answers   IBM,

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what is meant by servlet to servlet communication?

1 Answers   KPIT,

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