Servlets%20Interview%20Questions%20and%20Answers
Question: What is filter? Can filter be used as request or response?Answer: A filter is a reusable piece of code that can transform the content of HTTP requests,responses, and header information. Filters do not generally create a response or respond to a request as servlets do, rather they modify or adapt the requests for a resource, and modify or adapt responses from a resource. |
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