Garbage Collection

[fraternity lawson]

Which statement about the garbage collection mechanism are true?
A.Garbage collection require additional programe code in cases where m
ultiple threads are running.
B.The programmer can indicate that a referance through a local variabl
e is no longer of interest.
C.The programmer has a mechanism that explicity and immediately frees
the memory used by Java objects.
D.The garbage collection mechanism can free the memory used by Java Ob
ject at explection time.
E.The garbage collection system never reclaims memory from objects whi
le are still accessible to running user thread.

I think the answer should be option(b),(e),(d).But the given answer's are (A),(b),(e),(d).
Look at the given code and put the right option's out there.

[Ajith Kallambella]

Very vague question.
As is, only answers (b) and (e) are correct.
Answer (d) - what is "explection time?"
Answer (e) - one could argue it is wrong. Garbage collection has no connection what so ever with the "type" of thread that holds references to the object ie., User or Daemon.
Where is this question coming from ??