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class TestMain {       static int x = 2;    static { x = 4; }   public static void main(String... args) {     int y = x + 1;   System.out.println(y);    }  }    和命令行:  java TestMain   结果为:()   A、 3B、 5C、 编译失败D、 运行时异常被抛出

题目

class TestMain {       static int x = 2;    static { x = 4; }   public static void main(String... args) {     int y = x + 1;   System.out.println(y);    }  }    和命令行:  java TestMain   结果为:()  

  • A、 3
  • B、 5
  • C、 编译失败
  • D、 运行时异常被抛出

相似考题
更多“class TestMain {&ensp”相关问题
  • 第1题:

    WhichmethodintheThreadclassisusedtocreateandlaunchanewthreadofexecution?()

    A. Run();

    B. Start();

    C. Execute();

    D. Run(Runnable r);

    E. Start(Runnable r);

    F. Execute(Thread t);


    参考答案:B

  • 第2题:

    下面程序输出的结果为 #include"iostream.h" class A { public: A(){cout<<"CLASSA"<<endl;} ~A() {} }; class B:public A { public: B(){cout<<"CLASSB"<<endl;} ~B() {} }; void main() { A * p; p=new B; B *q; q=new B; }

    A.CLASS A CLASS B

    B.CLASS A CLASS B CLASS B

    C.CLASS A CLASS B CLASS A CLASS B

    D.CLASS A CLASS B CLASS B CLASS B


    正确答案:C
    解析:每实例化一个类就要调用其构造函数,结束运行该实例后调用析构函数。注意:类的实例化和构造函数、析函数的调用方式和何时调用。

  • 第3题:

    下面程序输出的结果为 #include"iostream.h” class A { public: A(){cout<<"CLASSA"<<endl;} ~A() {} }; class B:public A { public: B(){cout<<"CLASS B"<<endl;} ~B(){} }; void main() { A*p; p=new B;

    A.CLASS A CLASS B CLASS B CLASS B

    B.CLASS A CLASS B CLASS A CLASS B

    C.CLASS A CLASS B CLASS B

    D.CLASS A CLASS B


    正确答案:C

  • 第4题:

    Yourcompanyhasofficesinseveralcountries.You&ensp

    Yourcompanyhasofficesinseveralcountries.Youmusttestandvalidatealloperatingsystemimagesbeforeyoudeploythem.

    YoucreateaWindows7Enterprisemasterimagethathasalllanguagepacksinstalled.Youtestandvalidatethemasterimage.

    Youareplanningtocreateregionalimagesbasedonthemasterimage.

    Eachregionalimagewillcontainonlythelanguagepackthatisnecessaryforaspecificgeographicregion.

    Youhavethefollowingrequirements:

    Removethelanguagepacksthatareunnecessaryforeachregion.Minimizethenecessarytestingandvalidation.

    Youneedtocreatetheregionalimages.

    Whatshouldyoudo?()


    参考答案:B

  • 第5题:

    YouwanttoconnectyourWindows2000Professional&ensp

    YouwanttoconnectyourWindows2000Professionalcomputertoanewcolorlaserprinter.Theprinterisplugandplaycompliant.Theprinterisincludedonthecurrenthardwarecompatibilitylist(HCL).YouareamemberoftheSalesorganizationalunit.YouwanttosharetheprinterwithotherusersintheSalesorganizationalunit.YouplugtheprinterintotheLPTportonthebackofthecomputer.Youthenattempttoinstallthe32-bitapplicationprintersoftwarethatcamewiththeprinter.Duringtheinstallationyoureceiveanerrormessageasshownintheexhibit.

    WhatshouldyoudobeforeyousharetheprintertootherusersintheSalesOU?()


    参考答案:D

  • 第6题:

    Thisitemcontainsseveralquestionsthatyoumust&ensp

    Thisitemcontainsseveralquestionsthatyoumustanswer.YoucanviewthesequestionsbyclickingontheQuestionsbuttontotheleft.Changingquestionscanbeaccomplishedbyclickingthenumberstotheleftofeachquestion.Inordertocompletethequestions,youwillneedtorefertotheSDMandthetopology,neitherofwhichiscurrentlyvisible.TogainaccesstoeitherthetopologyortheSDKclickonthebuttontoleftsideofthescreenthatcorrespondstothesectionyouwishtoaccess.WhenyouhavefinishedviewingthetopologytheSDKyoucanreturntoyourquestionsbyclickingontheQuestionsbuttontotheleft.

    WhichIPSecruleisusedfortheOlympiabranchandwhatdoesitdefine?()


    参考答案:B, E

  • 第7题:

    在MCDU电子状态页报告里能查看故障()

    • A、Class1&Class3
    • B、Class2&Class3
    • C、Class1&Class2
    • D、Class1,Class2&Class3

    正确答案:D

  • 第8题:

    转专业后,学籍有效期从()开始计算。

    • A、转专业后学习开始的时间 
    • B、提出转专业申请的时间  
    • C、转专业批准的时间
    • D、入学注册时

    正确答案:D

  • 第9题:

    Which of the following class addresses is reserved for multicast?()

    • A、 Class A
    • B、 Class B
    • C、 Class C
    • D、 Class D

    正确答案:D

  • 第10题:

    class TestMain {   static int x = 2;   static { x = 4; }   static public void main(String[] args) {   int y = x + 1;   System.out.println(y);  }  }   和命令行:   java TestMain   结果为:()

    • A、 3
    • B、 5
    • C、 编译失败
    • D、 运行时异常被抛出

    正确答案:B

  • 第11题:

    单选题
    现有:   class TestMain {      static int x = 2;  static { x = 4; }   static public void main(String[] args) {    int y = x + 1;   System.out.println(y);    }    }    和命令行:  java TestMain    结果为:()
    A

     3

    B

     5

    C

     编译失败

    D

     运行时异常被抛出


    正确答案: B
    解析: 暂无解析

  • 第12题:

    单选题
    转专业后,学籍有效期从()开始计算。
    A

    转专业后学习开始的时间 

    B

    提出转专业申请的时间  

    C

    转专业批准的时间

    D

    入学注册时


    正确答案: C
    解析: 暂无解析

  • 第13题:

    Yousettherecoverywindowtosevendaysand&ensp

    YousettherecoverywindowtosevendaysandthebackupoptimizationtoONusingtheCONFIGUREcommandofRecoveryManager(RMAN).ThemostrecentbackupoftheTOOLStablespacetodiskwastakenonJanuary3.TheTOOLStablespaceisreadonly.

    OnFebruary21,whenyouexecuteacommandtobackupallthetablespacestodisk,youfindthatRMANbacksuptheTOOLStablespacealso,eventhoughthecontentsofthetablespacehavenotchangedafterthebackuponJanuary3.

    BecausetherearenochangesmadetotheTOOLStablespace,youdecidethatthetablespaceshouldnotbebackedupbyRMAN.WhatcanyoutodoskipbackinguptheTOOLStablespacewithoutchangingthecurrentbackupoptimizationsetting?()


    参考答案:B

  • 第14题:

    下面程序输出的结果为

    #include"iostream.h"

    class A

    {

    public:

    A( ){cout<<"CLASS A"<<endl;}

    ~A( ){}

    };

    class B:public A

    {

    public:

    B( ){cout<<"CLASS B"<<endl;}

    ~B( ){}

    };

    void main( )

    {

    A*p;

    p=new B;

    B *q;

    q=new B;

    }

    A.CLASS A CLASS B

    B.CLASS A CLASS B CLASS B

    C.CLASS A CLASS B CLASS A CLASS B

    D.CLASS A CLASS B CLASS B CLASS B


    正确答案:C
    解析:每实例化一个类就要调用其构造函数,结束运行该实例后调用析构函数。注意:类的实例化和构造函数、析构函数的调用方式和何时调用。

  • 第15题:

    下面程序输出的结果为( )。 #inClUde”iostream.h” Class A {public: A(){cout<<“CLASS A”<<endl;} ~A()<)}; class B:public A {public: B(){cout<<”CLASSB”<<endl;} ~B(){}}; void main() {A*p; p=new B; B *q; q=new B;}

    A.CLASS A CLASS B

    B.CLASS A CLASS B CLASS B

    C.CLASS A ClASS B

    D.CLASS A CLASS B CLASS A CLASS B CLASS B CLASS B


    正确答案:C
    解析: 本题考查类的继承、类的实例化和构造函数、析构函数的调用方式和何时调用。每实例化一个类就要调用其构造函数,结束运行该实例后调用析构函数。

  • 第16题:

    Yourcompanyplanstoupgradeallclientcomputers&ensp

    YourcompanyplanstoupgradeallclientcomputerstoWindows7.

    Thecompanyusesacustomline-of-businessapplication.Theapplicationcontainssensitivedata.TheapplicationwillnotrunonWindows7

    YouestablishthatMicrosoftEnterpriseDesktopVirtualization(MED-V)v2istheappropriatetechnologytoallowyourorganizationtocontinuetousetheapplication.

    Youneedtoensurethatthevirtualmachine(VM)imagesthatcontainsensitivedatacanbeusedonlywhentheuserisconnectedtotheMED-Vserver.

    Whatshouldyoudo?()


    参考答案:B

  • 第17题:

    AnIPCCExpressdeploymentrequiressupportfor20&ensp

    AnIPCCExpressdeploymentrequiressupportfor20concurrentlylogged-inagents.Theagentsaresplitacrosstworemotesites,andtheHighAvailabilityCRSEngine,DatabaseServer,VoIPMonitoring,andRecordingserverprocessesrunatacentraldatacenter.TheagentswillbeusingCADwith7960phonesandend-pointmonitoring.Verylittlerecordingandsilentmonitoringwillbeperformed,andnohistoricalreportingwillbedoneduringcallcenteropenhours.Assumetheminimumnumberofserversisdesired.

    HowmanyIPCCExpresshardwareserverswouldberequiredforthisIPCCExpressdeployment?()


    参考答案:B

  • 第18题:

    现有:   class TestMain {      static int x = 2;  static { x = 4; }   static public void main(String[] args) {    int y = x + 1;   System.out.println(y);    }    }    和命令行:  java TestMain    结果为:() 

    • A、 3
    • B、 5
    • C、 编译失败
    • D、 运行时异常被抛出

    正确答案:B

  • 第19题:

    Properties类中的哪个方法可以和IO流相关联()。

    • A、 getProperty()
    • B、 setProperty()
    • C、 load()
    • D、 stringPropertyNames()

    正确答案:C

  • 第20题:

    LACP符合以下哪个协议标准()

    • A、ITU-T&;enspG.987
    • B、IEEE&;ensp802.1AX
    • C、IEEE&;ensp802.11ac
    • D、ITU-T&;enspG.984

    正确答案:C

  • 第21题:

    Which method in the Thread class is used to create and launch a new thread of execution?()

    • A、 Run();
    • B、 Start();
    • C、 Execute();
    • D、 Run(Runnable r);
    • E、 Start(Runnable r);
    • F、 Execute(Thread t);

    正确答案:B

  • 第22题:

    单选题
    现有:   class TestMain {       static int x = 2;    static { x = 4; }   public static void main(String... args) {     int y = x + 1;   System.out.println(y);   }   }    和命令行:  java TestMain    结果为:()
    A

     3

    B

     5

    C

     编译失败

    D

     运行时异常被抛出


    正确答案: A
    解析: 暂无解析

  • 第23题:

    单选题
    LACP符合以下哪个协议标准()
    A

    ITU-T&;enspG.987

    B

    IEEE&;ensp802.1AX

    C

    IEEE&;ensp802.11ac

    D

    ITU-T&;enspG.984


    正确答案: C
    解析: 暂无解析

  • 第24题:

    单选题
    Click the Exhibit button. Assuming the tag library in the exhibit is imported with the prefix stock,which custom tag invocation outputsthe contents of the variable exposed by the quote tag?()
    A

    <;stock:quote&ensp;symbol=";SUNW";&ensp;/>;${var}

    B

    ${var}.&ensp;<;stock:quote&ensp;symbol=";SUNW";&ensp;/>;

    C

    <;stock:quote&ensp;symbol=";SUNW";>;.&ensp;${var}.&ensp;<;/stock:quote>;

    D

    <;stock:quote&ensp;symbol=";SUNW";&ensp;var=";quote";&ensp;/>;${quote}


    正确答案: B
    解析: 暂无解析