publicclassXimplementsRunnable(privateintx;privateinty;publicstaticvoidmain(String[]args)(Xthat=newX();(newThread(that)).start();(newThread(that)).start();)publicsynchronizedvoidrun()(for(;;)(x++;y++;System.out.printIn(x=+x+,y=+y);)))Whatistheresult?()A.Anerroratline11causescompilationtofail.B.Errorsatlines7and8causecompilationtofail.C.Theprogramprintspairsofvaluesforxandythatmightnotalwaysbethesameonthesameline(forexample,“x=2,y=1”)D.Theprogramprintspairsofvaluesforxandythatarealwaysthesameonthesameline(forexample,“x=1,y=1”.Inaddition,eachvalueappearstwice(forexample,“x=1,y=1”followedby“x=1,y=1”)E.Theprogramprintspairsofvaluesforxandythatarealwaysthesameonthesameline(forexample,“x=1,y=1”.Inaddition,eachvalueappearstwice(forexample,“x=1,y=1”followedby“x=2s,y=2”)

publicclassXimplementsRunnable(privateintx;privateinty;publicstaticvoidmain(String[]args)(Xthat=newX();(newThread(that)).start();(newThread(that)).start();)publicsynchronizedvoidrun()(for(;;)(x++;y++;System.out.printIn(x=+x+,y=+y);)))Whatistheresult?()

A.Anerroratline11causescompilationtofail.

B.Errorsatlines7and8causecompilationtofail.

C.Theprogramprintspairsofvaluesforxandythatmightnotalwaysbethesameonthesameline(forexample,“x=2,y=1”)

D.Theprogramprintspairsofvaluesforxandythatarealwaysthesameonthesameline(forexample,“x=1,y=1”.Inaddition,eachvalueappearstwice(forexample,“x=1,y=1”followedby“x=1,y=1”)

E.Theprogramprintspairsofvaluesforxandythatarealwaysthesameonthesameline(forexample,“x=1,y=1”.Inaddition,eachvalueappearstwice(forexample,“x=1,y=1”followedby“x=2s,y=2”)


相关考题:

以下是JAVA中正确的入口方法是?() A.publicstaticvoidmain(String[]args){}B.publicstaticvoidmain(Stringargs){}C.publicvoidmain(String[]args){}D.publicstaticintmain(String[]args){}

1.publicclassXimplementsRunnable(2.privateintx;3.privateinty;4.5.publicstaticvoidmain(String[]args)6.Xthat=newX();7.(newThread(that)).start();8.(newThread(that)).start();9.)10.11.publicvoidrun()(12.for(;;)(13.x++;14.y++;15.System.out.printIn(x=”+x+,y=”+y);16.)17.)Whatistheresult?()A.Errorsatlines7and8causecompilationtofail.B.Theprogramprintspairsofvaluesforxandythatmightnotalwaysbethesameonthesameline(forexample,“x=2,y=1”).C.Theprogramprintspairsofvaluesforxandythatarealwaysthesameonthesameline(forexample,“x=1,y=1”.Inaddition,eachvalueappearstwice(forexample,“x=1,y=1”followedby“x=1,y=1”).D.Theprogramprintspairsofvaluesforxandythatarealwaysthesameonthesameline(forexample,“x=1,y=1”.Inaddition,eachvalueappearsonlyforonce(forexample,“x=1,y=1”followedby“x=2,y=2”).

publicclassXimplementsRunnable{privateintx;privateinty;publicstaticvoidmain(String[]args){Xthat=newX();(newThread(that)).start();(newThread(that)).start();}publicvoidrun(){for(;;){synchronized(this){x++;y++;}System.out.println(Thread.currentThread().getName()+x=+x+,y=+y);}}}Whatistheresult?()A.Compilationfails.B.Theprogramprintspairsofvaluesforxandythatmightnotalwaysbethesameonthesameline(forexample,“x=2,y=1”).C.Theprogramprintspairsofvaluesforxandythatarealwaysthesameonthesameline(forexample,“x=1,y=1”). Inaddition,eachvalueappearsonlyonce(forexample,“x=1,y=1”followedby“x=2,y=2”). Thethreadnameatthestartofthelineshowsthatboththreadsareexecutingconcurrently.D.Theprogramprintspairsofvaluesforxandythatarealwaysthesameonthesameline(forexample,“x=1,y=1”). Inaddition,eachvalueappearsonlyonce(forexample,“x=1,y=1”followedby“x=2,y=2”). Thethreadnameatthestartofthelineshowsthatonlyasinglethreadisactuallyexecuting.

以下哪个是有效的Java程序入口函数?A.public static void main(String[] args);B.public static void main();C.public static int main(String[] args);D.public static void main(int argc, String[] args)

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