Chapter 6. Session Management: Conversational state

Question 1

How do you start a session with the client?

Answer 1

request.getSession() – Container handles all the rest.

Question 2

How can you determine if the session you got is brand new for this client?

Answer 2

session.isNew();

Question 3

How would you get ONLY a pre-existing session, AKA don’t create new but get it if it already exists?

Answer 3

request.getSession(false);

Question 4

How would you terminate a session with a client?

Answer 4

session.invalidate();

Question 5

How would you configure the session timeout in the Deployment Descriptor?

Answer 5

session-config, and under that session-timeout.

Question 6

How would you configure the timeout for a sessinon on a particular session?

Answer 6

session.setMaxInactiveInterval(TimeInSeconds);

Question 7

How do you create, set an expiration time, and send a cookie to the client?

Answer 7

new Cookie(“name”, value);

cookie. setMaxAge(secondsToExpire) – Also -1 to expire on browser restart.
response. addCookie(cookie)

Question 8

How do you find a Cookie from a request?

Answer 8

There is no way to get a particular cookie, we need to get them all and loop to find the one we need.