Whencomparingjava.io.BufferedWritertojava.io.FileWriter,whichcapabilityexistsasamethodinonlyoneofthetwo?()
A. closingthestream
B. flushingthestream
C. writingtothestream
D. markingalocationinthestream
E. writingalineseparatortothestream
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被审计人如对审计报告有异议,可附文字说明在30日内向审计部提出书面复审申请。()
publicStringmakinStrings(){Strings=Fred”;s=s+47”;s=s.substring(2,5);s=s.toUpperCase();returns.toString();}HowmanyStringobjectswillbecreatedwhenthismethodisinvoked?()
A. 1
B. 2
C. 3
D. 4
E. 5
F. 6
下列支付方式中适合小额网上支付的方式是()。
A.数字信用卡
B.电子现金
C.电子支票
D.现金
Whichthreeconcerningtheuseofthejava.io.Serializableinterfacearetrue?()
A. Objectsfromclassesthatuseaggregationcannotbeserialized.
B. ArtobjectserializedononeJVMcanbesuccessfullydeserializedonadifferentJVM.
C. ThevaluesinfieldswiththevolatilemodifierwillNOTsurviveserializationanddeserialization.
D. ThevaluesinfieldswiththetransientmodifierwillNOTsurviveserializationanddeserialization.
E. ItislegaltoserializeanobjectofatypethathasasupertypethatdoesNOTimplementjava.io.Serializable.