From: Doug Lea <email@example.com>
>Consider the use of simple classes like String and Integer. One of the
>original motivations for declaring these classes as immutable wass for
>the sake of thread safety.
>Should there be two versions, one of which uses synch in its constructor
>and one not? Or should people put synch blocks only when constructing
>those that the believe might be accessible across threads?
It's not enough to synch the constructor! An unlock action in the writer
without a lock action in the reader is useless.
>No answers along these lines strike me as tolerable.
>I think the only choice here is for the semantics to guarantee safety.
I agree wholeheartedly.
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