广东惠讯公司面试题

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1、AssignmentforDistributedProgrammingusingJavaIntroductionTheVideoQueasystorealreadyhasanextensiveWebsite,butiscontemplatingmovingtowardsanonlinesystemtosupportecommerceactivities.Inparticular,theyarelookingatmakingonlinehireofvideosthatwillbedeliveredtothehome.Atsomelater

2、stage(wheneveryoneisonbroadband)theymaydeliverthevideosthroughstreamingmediaratherthanhomedelivery.TheVideoQueasystoreisawarethatcustomersoftenwantsnackfoodwhiletheyarewatchingmovies,andsohascometoanarrangementwithlocaltake-awaystoressuchasHungryJill'ssothatcustomerscano

3、rderfoodatthesametimeastheyordervideos.VideoQueasyisawarethatthereareavarietyofcompetingtechnologiessuchasWebpages,RPCsystemssuchasWebservices,remoteobjectsystemssuchasCORBA,anddistributedobjectsystems.Inorderto"futureproof"itselfagainsttechnologychangesitwantsatradition

4、alclient-serversystemasitsinitialimplementation.However,theimplementationmustbestructuredinsuchawaythatothermiddlewaretechnologiescanbe"pluggedin"withtheminimumofchanges.Thisassignmenthasgradedlevels.ThesimplestversionwillbegivenaPassifdonesatisfactorily,buttogainhigherg

5、radesmorefeatureswillhavetobeadded.DetailsYouwillneedtoimplementaclientandoneormoreserversusingasocket-basedprotocol.Acustomer(client)willneedtobeabletomakethefollowingrequeststotheVideoQueasyserver:lWhatcategoriesofvideoareinstock?TheresponseshouldbealistsuchasHorror,Hu

6、mour,Drama,etclForagivencategory,whatmoviesareavailable?lWhatistheavailabilityofaparticularmovie?lWhatisthecostandrentalperiodofaparticularmovie?lWhattake-awayshopsarethere?lWhatisthemenuforaparticularshop?lAddtoa"shoppingcart"avideoorsometake-awayitemslCheckouttheshoppi

7、ngcartandgivecreditcardinformationPresentationlYoushouldnotassumeanyparticularwayofpresentingresultslAuserinterfacemaybeaGUIinterface,atext-basedinterfaceormaybeanotherprogramwithnointerfaceatall.lDon'tchangethemessagesjusttosuitwhateverpresentationyouwanttouseDeliverabl

8、esYoushouldhandinthefollowinglAstatementofwhichlevelofassessmentyouareaimingat,andthepartsyouhavecomple