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时间:2020-03-08
《计算机英语教程 教学课件 作者 吕云翔 杨雪 林珣_ Unit 5.ppt》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、Unit5ComputerProgramming计算机英语教程教学课件ContentsPart1ReadingandTranslatingSectionA:Object-OrientedProgrammingSectionB:IntroductiontotheC#Languageandthe.NETFrameworkSectionC:OnlineAppStorePart2SimulatedWriting:OutlinePart3ListeningandSpeakingDialogue:GettingtoKnowJavaRuntimeEnvironment(JRE)andJavaVirtua
2、lMachine(JVM)ListeningComprehension:IntelDictation:FatheroftheMouse—DougEngelbart1.1Object-OrientedProgrammingIntroductionFundamentalConceptsHistory1.1Object-OrientedProgrammingComplexSentences1.Original:Original:Computerprogrammingmethodologyfocusesondataratherthanprocesses,withprogramscomposedof
3、self-sufficientmodules(objects)containingalltheinformationneededtomanipulateadatastructure.Translation:计算机程序设计方法强调的是数据而不是过程,它使用由自给自足的模块(对象)组成的程序,这些模块包含了处理数据结构所需的所有信息1.1Object-OrientedProgrammingComplexSentences2.Original:Somelanguagesgofurther:Javausesthedefaultaccessmodifiertorestrictaccessalsoto
4、classesinthesamepackage,C#andVB.NETreservesomememberstoclassesinthesameassemblyusingkeywordsinternal(C#)orFriend(VB.NET),andEiffelandC++allowonetospecifywhichclassesmayaccessanymember..Translation:一些语言可更进一步:Java使用默认访问控制修饰符来限制访问同一个包中的类,C#和VB.NET使用关键词internal(C#)或Friend(VB.NET)为在同一个集合中的类保留了一些类的成员,而E
5、iffel和C++允许程序员指定哪一个类可以访问任意成员1.1Object-OrientedProgrammingExercisesI.Readthefollowingstatementscarefully,anddecidewhethertheyaretrue(T)orfalse(F)accordingtothetext.___1.Object-orientedprogrammingmaybeseenasacollectionofcooperatingobjectshavingcapabilitiesofreceivingmessages,processingdataandsending
6、messagestoeachother.___2.Object-orientedprogrammingemergedprimarilyintheearly1990s.___3.ThisarticleintroducesninefundamentalconceptsinthedefinitionsofOOPinall.___4.TherisingpopularityofGUIsandC++enhancedthedevelopmentofOOPasthedominantprogrammingmethodology.___5.Objectisapattern(exemplar)ofaclassa
7、truntime..1.1Object-OrientedProgrammingII.Choosethebestanswertoeachofthefollowingquestions.1.WhichofthefollowingisRIGHTaboutthefundamentalconceptsofOOP?A.Classabstractlydefinesathing’scharacteristicsandthething’s
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