IBM java 英文面试题.docx

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

———————————————————————————————————————

——————————————————

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;i

for（varj=i+1;j

if（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