reate a session between an HTTP client and an HTTP server. The session
 persists for a specified time period, across more than one connection or page request from the user. A session
 usually corresponds to one user, who may visit a site many times. The server can maintain a session in many ways such
 as using cookies or rewriting URLs.

 <p>
 This interface allows servlets to
 <ul>
 <li>View and manipulate information about a session, such as the session identifier, creation time, and last accessed
 time
 