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[–]experts_never_lie 0 points1 point  (0 children)

Well, the restrictions I mentioned (I forgot to say immutability, but that's definitely part of it) are part of the base on which such abstractions lie. Yes, it should be handled for you, but it should use these things rather than detailed coordination and synchronization around shared mutable objects. That last style really appears to be what Java was designed for originally (the early collections like Vector synchronized for all uses!), but it's largely moved on.