About Question enthuware.ocpjp.v8.2.1548 :

[runnerdave]

Why if the run methods are run like any other method and there is no start call, the order is not guaranteed?

I compiled it an ran it many times and always returned the same result.

[admin]

It is indeed guaranteed in this case because all the calls are being made in the same main thread. That is why option 2 is marked as the correct option.

[runnerdave]

got it, thank you