What is a session object in Java?

 What is a session object in Java?

A session object in Java is an object that stores data for a specific user's session on a web application. It allows the application to keep track of the user's actions and preferences as they navigate through the site. The session object is created when the user first accesses the web application and is destroyed when the user logs out or the session expires.

The session object is typically implemented using the HttpSession interface, which is part of the Java Servlet API. It allows developers to store and retrieve information about the user's session, such as their login status, shopping cart contents, and other preferences. The session object can also be used to store data that needs to be shared across multiple pages within a user's session.

The session object is stored on the server and is identified by a unique session ID, which is sent to the user's browser as a cookie. This allows the server to keep track of the user's session even if they navigate to different pages within the application. The session object also has a configurable timeout period, after which it will be automatically destroyed if the user is inactive. This helps to maintain the security and performance of the web application by preventing the accumulation of stale session data

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