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Runnabler=newRunnable(){publicvoidrun(){System.out.print(”Cat”);}};Threadt=newThread(r){publicvoidrun(){System.out.print(”Dog”);}};t.start();Whatistheresult?()
A.Cat
B.Dog
C.Compilationfails.
D.Thecoderunswithnooutput.
E.Anexceptionisthrownatruntime.
参考答案
更多 “ Runnabler=newRunnable(){publicvoidrun(){System.out.print(”Cat”);}};Threadt=newThread(r){publicvoidrun(){System.out.print(”Dog”);}};t.start();Whatistheresult?() A.CatB.DogC.Compilationfails.D.Thecoderunswithnooutput.E.Anexceptionisthrownatruntime. ” 相关考题
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classOrderimplementsRunnable｛publicvoidrun（）｛try｛Thread.sleep（2000）；｝catch（Exceptione）｛｝System.out.print（in）；｝publicstaticvoidmain（String[]args）｛Threadt＝newThread（newOrder（））；t.start（）；System.out.print（pre）；try｛t.join（）；｝catch（Exceptione）｛｝System.out.print（post）；｝｝可产生哪两项结果？（）A.inpreB.preinC.inprepostD.preinpost
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classOrderimplementsRunnable{publicvoidrun（）{try{Thread.sleep（2000）；}catch（Exceptione）System.out.print（in）；publicstaticvoidmain（String[]args）{Threadt=newThread（newOrder（））；t.start（）；System.out.print（pre）；try{t.join（）；}catch（Exceptione）{}System.out.print（post）；可产生哪两项结果？（）A.preinpostB.preinC.inpostpreD.inprepostE.prepostin
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publicclassTestOneimplementsRunnable{publicstaticvoidmain（String[]args）throwsException{Threadt=newThread（newTestOne（））；t.start（）；System.out.print（”Started”）；t.join（）；System.out.print（”Complete”）；}publicvoidrun（）{for（inti=0；i4；i++）{System.out.print（i）；}}}Whatcanbearesult？（）A.Compilationfails.B.Anexceptionisthrownatruntime.C.Thecodeexecutesandprints“StartedComplete”.D.Thecodeexecutesandprints“StartedComplete0123”.E.Thecodeexecutesandprints“Started0l23Complete”.
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publicclassThreads5{publicstaticvoidmain(String[]args){newThread(newRunnable(){publicvoidrun(){System.out.print(”bar”);}}).start();}}Whatistheresult?()
A.Compilationfails.B.Anexceptionisthrownatruntime.C.Thecodeexecutesnormallyandprints“bar”.D.Thecodeexecutesnormally，butnothingprints.
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publicclassThreads4{publicstaticvoidmain（String[]args）{newThreads4（）.go（）；}publicvoidgo（）{Runnabler=newRunnable（）{publicvoidrun（）{System.out.print（”foo”）；}}；Threadt=newThread（r）；t.start（）；t.start（）；}}Whatistheresult？（）A.Compilationfails.B.Anexceptionisthrownatruntime.C.Thecodeexecutesnormallyandprints?foo”.D.Thecodeexecutesnormally，butnothingisprinted.
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publicclassThreads3implementsRunnable{publicvoidrun(){System.out.print(”running”);}publicstaticvoidmain(String[]args){Threadt=newThread(newThreads3());t.run();t.run();t.start();}}Whatistheresult?()
A.Compilationfails.B.Anexceptionisthrownatruntime.C.Thecodeexecutesandprints“running”.D.Thecodeexecutesandprints“runningrunning”.E.Thecodeexecutesandprints“runningrunningrunning”.
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WhichtwocodefragmentswillexecutethemethoddoStuff()inaseparatethread?()
A.newThread（）{publicvoidrun（）{doStuff（）；}}B.newThread（）{publicvoidstart（）{doStuff（）；}}C.newThread（）{publicvoidstart（）{doStuff（）；}}.run（）；D.newThread（）{publicvoidrun（）{doStuff（）；}}.start（）；E.newThread（newRunnable（）{publicvoidrun（）{doStuff（）；}}）.run（）；F.newThread（newRunnable（）{publicvoidrun（）{doStuff（）；}}）.start（）；
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GiventhatastaticmethoddoIt（）inaclassWorkrepresentsworktobedone，whatblockofcodewillsucceedinstartinganewthreadthatwilldothework？CODEBLOCKa：Runnabler=newRunnable（）{publicvoidrun（）{Work.doIt（）；}}；Threadt=newThread（r）；t.start（）；CODEBLOCKb：Threadt=newThread（）{publicvoidstart（）{Work.doIt（）；}}；t.start（）；CODEBLOCKc：Runnabler=newRunnable（）{publicvoidrun（）{Work.doIt（）；}}；r.start（）；CODEBLOCKd：Threadt=newThread（newWork（））；t.start（）；CODEBLOCKe：Runnablet=newRunnable（）{publicvoidrun（）{Work.doIt（）；}}；t.run（）；
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classMyThreadextendsThread{publicvoidrun（）{System.out.println（AAA”）；}publicvoidrun（Runnabler）{System.out.println（BBB”）；}publicstaticvoidmain（String[]args）{newThread（newMyThread（））.start（）；}}Whatistheresult？（）A.AAAB.BBBC.Compilationfails.D.Thecoderunswithnooutput.
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