How does sessions work in servlets

A session is a collection of HTTP requests, over a period of time, between a client and server. Maintaining the data within the session is known as session tracking. For example, maintaining the book details added to the cart in an online book shop application. Session tracking mechanisms include the following: URL rewriting (query strings) Hidden form fields Cookies HTTP session (Session objects)   URL Rewriting   In this method we keep track of the data by passing the data as a query string from one page to another page. A query string starts with ? symbol and is followed

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How does sessions work in servlets
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