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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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更多 “ 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”. ” 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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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.
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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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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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publicclassFooimplementsRunnable(3.publicvoidrun(Threadt){4.system.out.printIn(Running.”);5.}6.publicstaticvoidmain(String[]args){7.newthread(newFoo()).start();8.)9.)Whatistheresult?()
A.Anexceptionisthrown.B.Theprogramexistswithoutprintinganything.C.Anerroratline1causescompilationtofail.D.Anerroratline6causesthecompilationtofail.E.“Running”isprintedandtheprogramexits.
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publicclassFooimplementsRunnable(publicvoidrun(Threadt){system.out.printIn(Running.”);}publicstaticvoidmain(String[]args){newthread(newFoo()).start();})Whatistheresult?()
A.Anexceptionisthrown.B.Theprogramexistswithoutprintinganything.C.Anerroratline1causescompilationtofail.D.Anerroratline2causesthecompilationtofail.E.“Running”isprintedandtheprogramexits.
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阅读下面程序 public class Test implements Runnable { public static void main(String[] args) { ______ t.start()； } public void run() { System.out.println("Hello!")； } } 程序中下画线处应填入的正确选项是A．Test t=new Test()；B．Thread t=new Thread()；C．Thread t=new Thread(new Test())；D．Test t=new Thread()；
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