Whichstatementsconcerningthemethodsnotify()andnotifyAll()aretrue?A.InstancesofclassThreadhaveamethodcallednotify（）.B.Acalltothemethodnotify（）willwakethethreadthatcurrentlyownsthemonitoroftheobject.C.Themethodnotify（）issynchronized.D.ThemethodnotifyAll（）is

题目
Whichstatementsconcerningthemethodsnotify()andnotifyAll()aretrue?

A.InstancesofclassThreadhaveamethodcallednotify（）.

B.Acalltothemethodnotify（）willwakethethreadthatcurrentlyownsthemonitoroftheobject.

C.Themethodnotify（）issynchronized.

D.ThemethodnotifyAll（）isdefinedinclassThread.

E.Whenthereismorethanonethreadwaitingtoobtainthemonitorofanobject，thereisnowaytobe surewhichthreadwillbenotifiedbythenotify（）method.

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