This question is one of the sample questions at the sun site and i must say it worries me a bit. The grammer is atrocious!
D.It changes the implementation without changing the interface and causes no consequential changes to other code. Sun says they got all sorts of language experts going thru all questions in the real exam. One would think the few sample questions would at least make sense.

[This message has been edited by Rolf Weasel (edited March 25, 2000).]