About Question enthuware.ocpjp.v7.2.1078 :
Posted: Thu Oct 10, 2013 5:37 pm
The problem does not state that the two threads calling increment() are the first two threads to do so, or that nothing else happened before they did.
In the context of the given options it would be valid to assume that there are no other factors at play. You can expect similar wording in the real exam question as well.
A statement has now been added anyway to make it clear.
thank you for your feedback.
Paul.