IBM java 英文面试题.docx
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IBMjava英文面试题
IBMjava英文面试题
IBMjava英文面试题(附参考答案)
1.whatisoracle.
2.whatismajordiffereneceoracle8iandoracle9i.4.tellmesomethingurself.
5.pleasetellmeaboutoops.
6.whatissingleinheritance.
7.whatismultipleinheritance.
8.canjavasupportmultipleinheritance.
9.whatisinterface.
10.whatisdifferenecbetweenabstractclassandinterface.11.howtouprovethatabstraceclasscannotinstantiatedirectly.
12.whatisdifferenecebetweenstringandstringbuffer.13.whatisimmutable
14.howtowriteaprogramusingsortprogram.15howtowriteaprogramusingunsortprogram.16.whatislegacy.
17.whatislegacyapi
18.whatislegacyinterface.
19.whatismaindifferencehashmapandhastable20.whatismaindifferencebetweenarraylistandvector.21.whatisstrutsframework.
22.whataredistributedtechonologies.
23.whatisadvantageanddisadvantageofdistributedtechonologies.
24.whatismaindifferencebetweenjspandservlets.25.whatisdifferencebetweenprocedureandfunctions.26.whatisjdbc.
27.whataretypeofdrivers.
28.whatistype4driver.
29.howtocollectrequuirementsformurclient.30.whichprocessuseinurproject.
31.whatisdeploymentdescriptor.
32.whatisheirarchyoffilesinstruts.
33.pleasedrawstrutsframewrok.
34.pleasedrawj2eearchitecture.
35.pleasedrawmvc-2architecture.
36.pleasedrawthathowdesignopmodule.
37.howtofindafileonlinux.
38.howtoconfigureweblogic8.1onlinux.
39.whyyouusestrutsframeworkinurproject.40.whatisplatfromindependent
41.whatisawtandswing.
qualityegg,chicken,...Developmentofpoultryindustrywilloccupyacertainareaofland,thereisamodernproductwithcomprehensiverollupof50,000chickenslayinghens,coversanareaof14.87hectares(233acres)more(includingOfficeofhatching,broodrearing,andlayingHouse,eggs,feedprocessingworkshop,Office,etc).Thepoultryindustryshouldworkinlandconservation,notaccountedfororlesscultivatedland,wasteland,theprincipleofslopeland.Whenthechickenfarmshouldgenerallynotavailabletolocalarablelandareatodetermineanappropriatelevelofbreedingsizeandnot,asinthepast,firstdeterminethesize,thengototheexpropriation.3.energy-saving,water-savingawarenessinthe1970ofthe20thcentury,thepigandchickenfarmmechanizationinourcountryforwardundertheslogan,thecountrystartedbuildingamodernlargechickenfarmsintheclimax.Wasbuiltasthefullyenclosedintensivechickenfarms,usingartificiallight,mechanicalfeedingandmandatoryventilation,asmallnumberofchickenfarmsalsousemechanicalsetseggsandmanure.Accordingtostatistics,fullyenclosedchickencoopperchickenwhentheannualelectricityconsumptionof10-kilowatt•,halfopenedthehenhousewhen•2~5kW(open),whentheentireopeningis0.5kW•,rollingopenshedsat0.45kW•.Henhousetypes,powerconsumptiondifferenceisverybig,adifferenceof10~20.China'senergysupplyisinshortsupply.Therefore,indeterminingthebreeding,poultryequipmentselectionshouldtakefullconsiderationofenergysavingissues.LackoffreshwaterresourcesinChina,theaverageannualprecipitationis600mm.19882474cubicmetersofwaterpercapitainChina,only1/4ofthepopulationallovertheworld,nowreducedto2300cubicmeters.Hendailywaterintaketoabout1.5~2times,sowhenyou
42.whatisheavywieghtcomponents.
43.whatisfeatureofweblgoic8.1.
44.whyyouchooseapplicationserveronlinuxanddatabaseserveronaix.
45.pleasetellmeabouturproject.
46.whatismajorconceptsinoops.
47.whyuchoosemvc-2architecture.
48.whatisimplicitobject.
49.howmanyimplicitobjectsinjsp
50.whychooseweblogic8.1otherthananyapplicationserver.51.whatiswaterfallmodelvssdlc
52.whatisuseofdataflowdiagrams
53.whatisipinurproject.
54.whataboutreceptionmodule
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1.OracleisanRDBMSproductwithDDLandDMLfromacompanycalledOracleInc.
2.Differencebetween8iand9iisgivenintheOraclesite3.Questionnotavailable
4.Something
5.oopsisObjectOrientedProgramming
6.whatissingleinheritance.
ans:
oneclassisinheritedbyonlyotheroneclass7.whatismultipleinheritance.
ans:
Oneclassinheritingmorethanoneclassatatime
8.canjavasupportmultipleinheritance.
ans:
No
9.whatisinterface.
ans:
Interfacehasonlymethoddeclarationsbutnodefn10.whatisdifferenecbetweenabstractclassandinterface.ans:
Inabstractclasssomemethodsmaycontaindefinition,butininterfaceeverymethodsh
ouldbeabstract
qualityegg,chicken,...Developmentofpoultryindustrywilloccupyacertainareaofland,thereisamodernproductwithcomprehensiverollupof50,000chickenslayinghens,coversanareaof14.87hectares(233acres)more(includingOfficeofhatching,broodrearing,andlayingHouse,eggs,feedprocessingworkshop,Office,etc).Thepoultryindustryshouldworkinlandconservation,notaccountedfororlesscultivatedland,wasteland,theprincipleofslopeland.Whenthechickenfarmshouldgenerallynotavailabletolocalarablelandareatodetermineanappropriatelevelofbreedingsizeandnot,asinthepast,firstdeterminethesize,thengototheexpropriation.3.energy-saving,water-savingawarenessinthe1970ofthe20thcentury,thepigandchickenfarmmechanizationinourcountryforwardundertheslogan,thecountrystartedbuildingamodernlargechickenfarmsintheclimax.Wasbuiltasthefullyenclosedintensivechickenfarms,usingartificiallight,mechanicalfeedingandmandatoryventilation,asmallnumberofchickenfarmsalsousemechanicalsetseggsandmanure.Accordingtostatistics,fullyenclosedchickencoopperchickenwhentheannualelectricityconsumptionof10-kilowatt•,halfopenedthehenhousewhen•2~5kW(open),whentheentireopeningis0.5kW•,rollingopenshedsat0.45kW•.Henhousetypes,powerconsumptiondifferenceisverybig,adifferenceof10~20.China'senergysupplyisinshortsupply.Therefore,indeterminingthebreeding,poultryequipmentselectionshouldtakefullconsiderationofenergysavingissues.LackoffreshwaterresourcesinChina,theaverageannualprecipitationis600mm.19882474cubicmetersofwaterpercapitainChina,only1/4ofthepopulationallovertheworld,nowreducedto2300cubicmeters.Hendailywaterintaketoabout1.5~2times,sowhenyou
11.howtouprovethatabstraceclasscannotinstantiatedirectly.ans:
Astheydonthaveconstructortheycantbeinstantiated
12.whatisdifferenecebetweenstringandstringbuffer.ans:
Stringsareimmutablewhereasstringbuffercanbemodified
13.whatisimmutable
ans:
Whichcantbechanged
14.howtowriteaprogramusingsortprogram.
15howtowriteaprogramusingunsortprogram.
ans:
Bothcanbedoneusingjavascript
ThisisforSort
functionSelectTextSort(obj){//sortbytext
varN=obj.options.length;
for(vari=0;ifor(varj=i+1;jif(obj.options[i].text>obj.options[j].text){
vari1=(obj.options[i].selected==true)?
true:
false
varj1=(obj.options[j].selected==true)?
true:
false
varq1=obj.options[j].text;
varq2=obj.options[j].value;
obj.options[j].text=obj.options[i].text;
obj.options[j].value=obj.options[i].value;
obj.options[i].text=q1;
obj.options[i].value=q2;
obj.options[i].selected=(j1&&true)?
true:
false
obj.options[j].selected=(i1&&true)?
true:
false
}
}
}
returntrue
}
16.whatislegacy.
17.whatislegacyapi
18.whatislegacyinterface.
qualityegg,chicken,...Developmentofpoultryindustrywilloccupyacertainareaofland,thereisamodernproductwithcomprehensiverollupof50,000chickenslayinghens,coversanareaof14.87hectares(233acres)more(includingOfficeofhatching,broodrearing,andlayingHouse,eggs,feedprocessingworkshop,Office,etc).Thepoultryindustryshouldworkinlandconservation,notaccountedfororlesscultivatedland,wasteland,theprincipleofslopeland.Whenthechickenfarmshouldgenerallynotavailabletolocalarablelandareatodetermineanappropriatelevelofbreedingsizeandnot,asinthepast,firstdeterminethesize,thengototheexpropriation.3.energy-saving,water-savingawarenessinthe1970ofthe20thcentury,thepigandchickenfarmmechanizationinourcountryforwardundertheslogan,thecountrystartedbuildingamodernlargechickenfarmsintheclimax.Wasbuiltasthefullyenclosedintensivechickenfarms,usingartificiallight,mechanicalfeedingandmandatoryventilation,asmallnumberofchickenfarmsalsousemechanicalsetseggsandmanure.Accordingtostatistics,fullyenclosedchickencoopperchickenwhentheannualelectricityconsumptionof10-kilowatt•,halfopenedthehenhousewhen•2~5kW(open),whentheentireopeningis0.5kW•,rollingopenshedsat0.45kW•.Henhousetypes,powerconsumptiondifferenceisverybig,adifferenceof10~20.China'senergysupplyisinshortsupply.Therefore,indeterminingthebreeding,poultryequipmentselectionshouldtakefullconsiderationofenergysavingissues.LackoffreshwaterresourcesinChina,theaverageannualprecipitationis600mm.19882474cubicmetersofwaterpercapitainChina,only1/4ofthepopulationallovertheworld,nowreducedto2300cubicmeters.Hendailywaterintaketoabout1.5~2times,sowhenyou
ans:
legacyissomethingthatisoldintermsoftechnology/system
19.whatismaindifferencehashmapandhastable
ans:
Hashtableissynchronised
20.whatismaindifferencebetweenarraylistandvector.
ans:
Vectori