Java – condition – should be unlocked before waiting?

• Java

Can you tell me if I should release the lock before waiting for the condition?

try {
    lock.lock();
    while (isNotEmpty()) {
        condition.await();
    }
} finally {
    lock.unlock();
}

or

try {
    lock.lock();
    while (isNotEmpty()) {
        lock.unlock();
        condition.await();
    }
} finally {
    lock.unlock();
}

Solution

No, you do not need to explicitly release the lock, waiting will automatically release From Javadoc:

And:

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