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Editorial Team
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Asked: 2026-05-17T18:40:27+00:00

Here’s the scenario: ThreadA is going to read from some socket, and write data

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Here’s the scenario:

  • ThreadA is going to read from some socket, and write data to “MyFile.txt”
  • ThreadB is going to read “MyFile”, and when it reaches the end, it will loops until new data are available in MyFile (because i don’t want to re-open “MyFile.txt”, and lose the time so i reach the position from where i was..).

Is it possible to do such a thing ?

If not, is there another way to do such a thing ?

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1 Answer

  1. Editorial Team

    The problem you mention is a famous Producer Consumer Problem

    Common solution to this is to use BlockingQueue

    An example of real world usage is in AjaxYahooSearchEngineMonitor

    What Thread A does is, it will submit a string to queue, and then return immediately.

    What Thread B does is, it will pick up the item from queue one by one, and process them.
    When there is no item in the queue, Thread B will just wait there. See line 83 of the source code.

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