publicclassXimplementsRunnable(privateintx;privateinty;publicstaticvoidmain(Stringargs)(Xthat=newX();(newThread(that)).start();(newThread(that)).start();)publicsynchronizedvoidrun()(for(;;)(x++;y++;System.out.printIn(x=+x+,y=+y);)))Whatistheresult?()A.Ane

题目

publicclassXimplementsRunnable(privateintx;privateinty;publicstaticvoidmain(Stringargs)(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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  • 第1题:

    以下哪个是Java应用程序main方法的有效定义?

    A. public static void main();

    B. public static void main( String args );

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

    D. public static void main( Graphics g );

    E. public static boolean main( String a[] );


    正确答案:C

  • 第2题:

    下面那个是java应用程序主类中正确的main方法?

    A.public void main(String args[])

    B.static void main(String args[])

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

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


    public static void main(String args[ ])

  • 第3题:

    Java应用程序的main方法头的格式是_______。

    A.public static int main(char args[ ])

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

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

    D.public static void main(String args)


    public static void main(String [] a rgs )

  • 第4题:

    下面哪个是Java应用程序主类中正确的main方法?

    A.public void main(String args[])

    B.static void main(String args[])

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

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


    D

  • 第5题:

    下列哪个是Java应用程序主类中正确的main方法?

    A.public void main (String args[ ])

    B.static void main (String args[ ])

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

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


    D