When an Thread.interrupt() is called on some thread, what happens to that thread?
When an Thread.interrupt() is called on some thread, what happens to that thread?
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When an Thread.interrupt() is called on some thread, what happens to that thread?
The target thread is “interrupted”. Mostly, a flag is set in that thread, which the thread can look at (with
Thread.interrupted()). If the target thread was currently blocked on some I/O orObject.wait(), then it is awakened with, respectively, anInterruptedIOExceptionor anInterruptedException.Thread interruption is a gentle way to nudge a thread. It is used to give threads a chance to exit cleanly, as opposed to
Thread.stop(), which is more like shooting the thread with an assault rifle.