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Servlets, filters, and listeners form the backbone of every Java EE web container. Below you’ll find concise explanations, annotated code snippets, and configuration options for each component. Servlet A servlet is a Java class that handles HTTP requests and produces responses. The container manages its life-cycle and maps URLs to servlet insta ...

In web development, a session refers to the sequence of interactions between a client (browser) and a server, starting from the moment the browser accesses the site until it is closed. Managing state during these interactions is crucial because the HTTP protocol is stateless. The two primary technologies for session management are Cookies and S ...