problem about reservation-Collection of common programming errors

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  PNS
  java diskspace reservation
  Assume a multithreaded application scenario, in which every thread acquires some data (one or more files) from the network, performs some processing and then saves the results on the hard disk of the hosting machine.In such a scenario, there is always the possibility that the disk space is exhausted, leading to unexpected service behavior (e.g., a system crash).To avoid a case like that, it would be helpful if Java provided a means of reserving hard disk space, but, as verified in an earlier que

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