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:()
第1题:
Acompanyhasabusinessapplicationthatprovidesitsuserswithmanydifferentreports:receivablesreports,payablesreports,revenueprojects,andsoon.Thecompanyhasjustpurchasedsomenew,state-of-the-art,wirelessprinters,andaprogrammerhasbeenassignedthetaskofenhancingallofthereportstousenotonlythecompany’soldprinters,butthenewwirelessprintersaswell.Whentheprogrammerstartslookingintotheapplication,theprogrammerdiscoversthatbecauseofthedesignoftheapplication,itisnecessarytomakechangestoeachreporttosupportthenewprinters.
Whichtwodesignconceptsmostlikelyexplainthesituation?()
第2题:
A. Run();
B. Start();
C. Execute();
D. Run(Runnable r);
E. Start(Runnable r);
F. Execute(Thread t);
第3题:
YourcompanyhasamainofficeinChicagoandabranchofficeinNewYork.ThecompanyhasasingleActiveDirectorydirectoryserviceforestwithfourdomains.Twoofthedomaincontrollersaredescribedinthefollowingtable.
Anapplicationhasaservercomponentandaclientcomponent.Whentheservercomponentisinstalled,severalschemaclassesandattributesareadded.Auserinthene.sales.contoso.comdomaininstallstheclientcomponentonhisclientcomputer.Youtheninstalltheservercomponent.Thirtyminutesafteryouinstalltheservercomponent,theuserattemptstoruntheclientcomponent,butreceivesanerrormessagestatingthattheschemaobjectscannotbefound.YouverifythattheobjectsarepresentonDC1.TheuserslogonserverisDC4.Youneedtoensurethattheusercanimmediatelyruntheclientcomponent.
Whatshouldyoudo?()
第4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
第5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
第6题:
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}
第7题:
YousettherecoverywindowtosevendaysandthebackupoptimizationtoONusingtheCONFIGUREcommandofRecoveryManager(RMAN).ThemostrecentbackupoftheTOOLStablespacetodiskwastakenonJanuary3.TheTOOLStablespaceisreadonly.
OnFebruary21,whenyouexecuteacommandtobackupallthetablespacestodisk,youfindthatRMANbacksuptheTOOLStablespacealso,eventhoughthecontentsofthetablespacehavenotchangedafterthebackuponJanuary3.
BecausetherearenochangesmadetotheTOOLStablespace,youdecidethatthetablespaceshouldnotbebackedupbyRMAN.WhatcanyoutodoskipbackinguptheTOOLStablespacewithoutchangingthecurrentbackupoptimizationsetting?()
第8题:
YouarecreatingaWeb-basedapplicationtomanagedataaggregationforreports.TheapplicationconnectstoaSQLServer2005databasenamedDataManager.OnepageintheapplicationhascontrolsthatexecutestoredproceduresinadatabasenamedReportingDatabase.ThereisanexistingServiceBrokerconnectionbetweentheDataManagerdatabaseandReportingDatabase.Youwanttoaddtwonewmessagetypestotheexistingservice.Ineachdatabase,youcreatemessagetypesnamedProcessReportandSendResult.Youneedtoaddthetwonewmessagetypestotheexistingservice.
Whatshouldyoudofirst?()
第9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
第10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