How can I interrupt a synchronized statement in Java?

For this kind of thing, you should use the classes in java.util.concurrent. Locks - they have far more capabilities, including interruptable locks.

Indeed you should use the locks or implement your stuff with the Object.wait(), Object.notify() and Object.notifyAll() methods (locks are actually implemented with them). Do not forget to handle the so-called 'spurious wakeups' (wait() may return even if noone called notify() or notifyAll(), so it should always be called in a loop that checks that the condition you're waiting for is satisfied).

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