David wrote:
>
> Vectors are synchronized data structures. By grabbing the synchronization
> lock on v then using getElements() you are effectively deadlocking yourself.
Deadlock is not so easy thing. You need two locks, one kept by thread A
and second kept by thread B and then they need to try to acquire locks
held by other ones.
It is obvious that first synchronizing and the calling getElements from
same thread will not deadlock. Same thread hold the lock, so it will
just recurse synchronization one level deeper. Such thing might happen
with single-bit lock, but not with full monitor as it is implemented in
java.
Artur
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