A Servlet Filter is a component that can perform filtering tasks on either the request to a resource (a servlet, JSP page, etc.), or on the response from a resource, or both. It acts as a layer between the client and the resource on the server, allowing for
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In the context of servlets, an Event is something that occurs due to a change in the state of an object. For example, when a user session starts or ends, or when an attribute is added, removed, or replaced in a servlet context or session. A Listener is an object
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Cookies in Servlets are used for session management. They are small pieces of information stored as text strings on the client’s browser. When a servlet sends a cookie to the browser, the browser stores it and sends it back with every subsequent request to the server.
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