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.A

题目

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”)


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    以下哪个main方法是正确的?

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  • 第2题:

    以下哪个是有效的Java程序入口函数?

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    D.public static void main(int argc, String[] args)

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  • 第3题:

    19、以下哪个是有效的Java程序入口函数?

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    B.public static void main();

    C.public static int main(String[] args);

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  • 第4题:

    main()方法的正确定义方式是()。

    A.public static void main (String [ ] args ) { new NameSurfer().start (args ) ; }

    B.public static main (String [ ] args ) { new NameSurfer().start (args ) ; }

    C.public void main (String [ ] args ) { new NameSurfer().start (args ) ; }

    D.public static void main (String [ ] args ) { NameSurfer().start (args ) ; }


    public static void main(String[] args) {}

  • 第5题:

    main方法是Java应用程序执行的入口点,下面main方法的方法头合法的是()

    A.public static void main()

    B.public static void main(String[] args)

    C.public static void Main(String[] args)

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