explain filters in java?
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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()
| Is This Answer Correct ? | 16 Yes | 0 No |
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()
| Is This Answer Correct ? | 7 Yes | 0 No |
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Core Java 
