【单选题】
Users of your web application have requested that they should be able to set the duration of their sessions.So for example， one user might want a webapp to stay connected for an hour rather than the webapp’sdefault of fifteen minutes； another user might want to stay connected for a whole day. Furthermore， youhave a special login servlet that performs user authentication and retrieves the User object from the database. You want to augment this code to set up the user’s specified session duration.<br /> Which codesnippet in the login servlet will&e
A、User user = // retrieve the User object from the database session.setDurationInterval（user.getSessionDuration（））；
B、User user = // retrieve the User object from the database session.setMaxDuration（user.getSessionDuration（））；
C、User user = // retrieve the User object from the database session.setInactiveInterval（user.getSessionDuration（））；
D、User user=//retrieve the User object from the database session.setDuration（user.getSessionDuratio（））；
E、User user = // retrieve the User object from the database session.setMaxInactiveInterval（user.getSessionDuration（））；
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