Chapter 32

Question 1

Why we need session

Answer 1

To track user information and steps etc

Question 2

What are 2 possible problems of session when user bookmark a page

Answer 2

1. Session might expire

2. Session might recycle and use by another user

Question 3

Which method expires session

Answer 3

session.invalidate()

Question 4

What are HttpServeletResponse 2 methods for encoding

Answer 4

1. String encodeURL

2. String encodeRedirectURL