試題詳解

foo and bar are public references available to many other threads, foo refers to a Thread and bar is an Object. The thread foo is currently executing bar.wait().

 From another thread, what provides the most reliable way to ensure that foo will stop executing wait()?
(A) foo.notify()；
(B) bar.notify()；
(C) foo.notifyAll()；
(D) Thread.notify()；
(E) bar.notifyAll()； F. Object.notify()；