毕业论文外文翻译-面向对象和c++

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1、毕业设计（论文）外文资料翻译附件一外文原文Object-OrientationandC++C++isjustoneofmanyprogramminglanguagesinusetoday.Whyaretheresomanylanguages?Whydonewonesappeareveryfewyears?Programminglanguageshaveevolvedtohelpprogrammerseasethetransitionfromdesigntoimplementation.Thefirstprogrammi

2、nglanguageswereverydependentontheunderlyingmachinearchitecture.Writingprogramsatthislevelofdetailisverycumbersome.Justashardwareengineerslearnedhowtobuildcomputersystemsoutofothercomponents,languagedesignersalsorealizedthatprogramscouldbewrittenatamuchhigherleve

3、l,therebyshieldingtheprogrammerfromthedetailsoftheunderlyingmachine.Whyaretheresuchalargenumberofhigh-levelprogramminglanguages?Therearelanguagesforaccessinglargeinventorydatabases,formattingfinancialreports,controllingrobotsonthefactoryfloor,processinglists,con

4、trollingsatellitesinrealtime,simulatinganuclearreactor,predictingchangingatmosphericconditions,playingchess,anddrawingcircuitboards.Eachoftheseproblemsrequiresdifferentsetsofdatastructuresandalgorithms.Programminglanguagesaretoolstohelpussolveproblems.However,th

5、ereisnotoneprogramminglanguagethatisbestforeverytypeofproblem.Newprogramminglanguagesareoftendevelopedtoprovidebettertoolsforsolvingaparticularclassofproblems.Otherlanguagesareintendedtobeusefulforavarietyofproblemdomainsandaremoregeneralpurpose.Eachprogrammingl

6、anguageimpartsaparticularprogrammingstyleordesignphilosophyonitsprogrammers.Withthemultitudeofprogramminglanguagesavailabletoday,anumberofsuchdesignphilosophieshaveemerged.Thesedesignphilosophies,calledprogrammingparadigms,helpustothinkaboutproblemsandformulates

7、olutions.20毕业设计（论文）外文资料翻译1.SoftwareDesignthroughParadigmsWhendesigningsmallcomputerprogramsorlargesoftwaresystems,weoftenhaveamentalmodeloftheproblemwearetryingtosolve.Howdowedeviseamentalmodelofasoftwaresystem?Programmingparadigmsoffermanydifferentwaysofdesigni

8、ngandthinkingaboutsoftwaresystems.Aparadigmcanbethoughtofasamentalmodelorasaframeworkfordesigninganddescribingasoftwaresystem'sstructure.Themodelhelpsusthinkaboutandf