interface Beta {} class Alpha implements Beta { String testIt() { return “Tested”; } } public class Main1 { static Beta getIt() { return new Alpha(); } public static void main( String[] args ) { Beta b = getIt(); System.out.println( b.testIt() ); } } What is the result?()
第1题:
如果类Alpha继承了类Beta,则类Alpha称为派生类,类Beta称为【 】类。
第2题:
YouareaExamSheetInc.consultantwhousesaWindows2000Professionalportablecomputer.YourdomainuseraccountisamemberofthelocalAdministratorgroup.
Fromyourportablecomputer,youmapadrivetoasharedfoldernamedConsultMerticsona
computernamedServer1.YouconfigureConsultMerticstobeavailableoffline.Whenyoulogoftheportablecomputer,youreceivethefollowingerrormessage.
Youneedtosuccessfullysynchronizetheofflinefiles.Whatshouldyoudo?()
第3题:
14 Alpha buys goods from Beta. At 30 June 2005 Beta’s account in Alpha’s records showed $5,700 owing to Beta.
Beta submitted a statement to Alpha as at the same date showing a balance due of $5,200.
Which of the following could account fully for the difference?
A Alpha has sent a cheque to Beta for $500 which has not yet been received by Beta.
B The credit side of Beta’s account in Alpha’s records has been undercast by $500.
C An invoice for $250 from Beta has been treated in Alpha’s records as if it had been a credit note.
D Beta has issued a credit note for $500 to Alpha which Alpha has not yet received.
第4题:
A.show ip interface [interface] access-lists
B.show ip access-lists interface [interface]
C.show ip interface [interface]
D.show ip access-lists [interface]
第5题:
设有一共用体变量定义如下: union data { long w; float x; int y; char z;}; union data beta; 执行下列语句后,正确的共用体变量beta的值是( )。 beta.w=123456; beta.y=888; beta.x=3.1416; beta.z='x';
A.123456
B.888
C.3.1416
D.'X'
第6题:
简述Alpha测试与beta的区别。
第7题:
Alloftheclientcomputersinyourcompany’snetworkareWindows2000portablecomputers.AusernamedMariastoresSalesfilesinherMyDocumentsfolder.Sheusesthesefileswhenshetravels.
Mariainformsyouthatwhenshetakesherportablecomputertotradeshows,shecanaccesssomeoftheSalesfilesbutnotallofthem.Whenherportablecomputerisconnectedtothenetworkattheoffice,shecanaccessallofthefiles.YouneedtoenableMariatoaccessallofthefilesinherMyDocumentsfolderwhensheisworkingremotely.
Whatshouldyoudo?()
TogiveMariaaccesstothefileswhensheisworkingremotely,thefolderneedstobeenabledforofflineaccessandmustbeconfiguredtomaketheentirecontentsofthefolderavailableoffline.
第8题:
YouarecreatinganonlinecatalogapplicationthatwilldisplayproductinformationonthecompanyWebsite.TheproductdataisstoredinaSQLServer2005database.ThedataisstoredasrelationaldatabutmustbepassedtotheapplicationasanXMLdocumentbyusingFORXML.YoutestyourapplicationandnoticethatnotalloftheitemsmatchingyourqueryappearintheXMLdocument.Onlythoseproductsthathavevaluesforallelementsintheschemaappear.
YouneedtomodifyyourTransact-SQLstatementsothatallproductsmatchingyourqueryappearintheXMLdocument.
Whatshouldyoudo?()
第9题:
A. show ip interface [interface] access-lists
B. show ip access-lists interface [interface]
C. show ip interface [interface]
D. show ip access-lists [interface]
第10题:
已知符号定义语句如下: ALPHA EQU 100 BETA EQU 25 GAMMA EQU 2 分别求下列各表达式的值。 (1)ALPHA*4GTBETA (2)ALPHAMODGAMMA+BETA (3)(BETA/3)LE5 (4)ALPHAANDBETA (5)GAMMAXOR(BETAEQ25)