Depends on what you're doing. Synchronized locks on the instance (or class if you're using a static method) and the locks are reentrant -- a thread holding a l

Depends on what you're doing. Synchronized locks on the instance (or class if you're using a static method) and the locks are reentrant -- a thread holding a lock can reacquire it as many times as it wants. But yeah my comment was a little imprecise :) If you're using a bunch of different objects which have interactions, using synchronized "everywhere" could very well lead to a deadlock :)