Study tips 1Z0-899

Which is true?

Which two can support this design goal?

How can this goal be accomplished?

which two must be true?

which statement must be inserted at line 42?

Which code snippet in the login servlet will accomplish this goal?

Which interface must a class implement so that instances of the class are notified after any object added to a session?

Which statement is true about web container session management?

How should this situation handled?

How should this be handled?