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..
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init(FilterConfig fg)
DoFilter(SReq req ,Sres res,FilterChain fc)
destroy()

What's the servlet interface?

0 Answers  

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What is called a session?

0 Answers  

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What is the need of session tracking in HttpServlet ?

3 Answers  

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When to use doget() and when dopost()?

0 Answers  

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What are the classes and interfaces for servlets?

4 Answers  

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What is difference between PrintWriter and ServletOutputStream?

0 Answers  

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difference between forward and sendredirect

6 Answers   Accenture,

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what is session tracking?what are types of session tracking ?and when to cookies,when to use sessionmanagement,whent use url rewriting technique,plz explain briefly?

6 Answers   Satyam, TCS,

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if we know the any consultancies, it will place in company work through consultancy(contract base). please help me I'm 2008 pass out java candidate...

1 Answers  

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What is meant by a web application

0 Answers  

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Why don't we write a constructor in a servlet?

0 Answers  

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How ThreadSafe page attribute will be working in Servlet as well as in JSP?Automatically ThresdSafe is true in JSP so service method will be destroy in each and every request or not?so how thresd will handle srevice method?

1 Answers   AZTEC,

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