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init(servletconfig)

 
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My interviewer asked .which method to be used, either init() or init(servletconfig) or both in generic servlet .
 
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init(servletconfig) is available in Servlet interface and init() is available in GenericServlet class. GenericServlet implements Servlet interface, so both can be used in GenericServlet
 
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both init() and init(servletconfig) can be used.
But you should use the init() because init(servletconfig) saves the servlet config in an instance variable.

And the sole purpose of init() method is to be overrided be the subclass if needed.
 
Rajendra Prakash
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if i override servletconfig() in init() means ,it gives configuration information from server to servlet.
Cofiguration information means can i say about struts-config.xml or hibernate.cfg.xml or something else.
I mean what configuration information you get during initialization.
 
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Please refer Servlet FAQ
and ServletConfig
 
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