What is the result?()
A.Compilation fails. B.An exception is thrown at runtime. C.The code executes normally and prints "sleep". D.The code executes normally, but nothing is printed.
单项选择题What is the result?()
A.The code will deadlock. B.The code may run with no output. C.An exception is thrown at runtime. D.The code may run with output "0 6". E.The code may run with output "2 0 6 4". F.The code may run with output "0 2 4 6".
多项选择题Which two statements are true?()
A.The output could be 8-1,7-2,8-2,7-1 B.The output could be 7-1,7-2,8-1,6-1 C.The output could be 8-1,7-1,7-2,8-2 D.The output could be 8-1,8-2,7-1,7-2
单项选择题Given:fooandbararepublicreferencesavailabletomanyotherthreads,fooreferstoaThreadandbarisanObject.Thethreadfooiscurrentlyexecutingbar.wait().Fromanotherthread,whatprovidesthemostreliablewaytoensurethatfoowillstopexecutingwait()?()
A.foo.notify(); B.bar.notify(); C.foo.notifyAll(); D.Thread.notify(); E.bar.notifyAll(); F.Object.notify();
多项选择题Which two are possible results?()
A.0, 2, 4, 4, 6, 8, 10, 6 B.0, 2, 4, 6, 8, 10, 2, 4 C.0, 2, 4, 6, 8, 10, 12, 14 D.0, 0, 2, 2, 4, 4, 6, 6, 8, 8, 10, 10, 12, 12, 14, 14 E.0, 2, 4, 6, 8, 10, 12, 14, 0, 2, 4, 6, 8, 10, 12, 14
A.Compilation fails. B.An exception is thrown at runtime. C.The code executes normally and prints "bar". D.The code executes normally, but nothing prints.