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Editorial Team
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Asked: 2026-05-18T04:04:10+00:00

I need to implement the following scenario ThreadN acquires a lock ThreadM tries to

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I need to implement the following scenario

  • ThreadN acquires a lock
  • ThreadM tries to acquire the lock and wait
  • ThreadX (monitor) sees that ThreadN is holding lock too long time and releases the lock
  • ThreadM acquires the lock and continue

Fate of ThreadN does not matter.

Which classes (from java.util.concurrent ?) should I use ?

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1 Answer

  1. Editorial Team

    I think you can implement this based on Semaphore, though you’ll have to implement the monitoring functionality yourself by setting a timestamp when a lock is acquired, checking it periodically and interrupting the thread holding the lock if it’s held too long.

    The LockSupport class also looks like it could help.

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