《软件工程》Computer Science 上

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1、ComputerScience3061/15/03BillBondClassCommunicationEmailyournameandemailaddresstobondw@umr.eduNormallywillpostnotesbeforeclassAssignmentsgottobondw@umr.eduWebpageshouldbeinfollowinglocation:http://web.umr.edu/~umreec/web-courses/SoftwareCrisisProgramsdon’treflectcustomerdesir

2、esScheduleandcostestimatesareoftengrosslyinaccurate“Productivity”ofsoftwarepeoplehasnotkeptpacewiththedemandfortheirservicesSoftwarecomplexityincreasesQualityofsoftwareissometimeslessthanadequateDifficulttomaintainexistingprogramsTheProblemBuildingcomputersolutionishardUnderst

3、andproblemDesignsolutionImplementsolutionComplexityistheproblemLotstodoLotstokeeptrackofSoftwareEngineeringManagingcomplexitybyimposingdisciplineAbstraction-focusonlyonessentialdetails,ignoreothers(fornow)Decomposition-breakintomanageablepiecesAnalysis/DesignmethodsandToolssup

4、porttheseideasLargeProjectsRequireTeamsKeyelementsCommunication-hascostArtifacts-supportcommunicationArtifactsWhichshouldbeproduced?“Discovery”valueWhichshouldbemaintained?MaintenancevalueRecognizecostofproducingartifactsSoftwareEngineeringBookdefinition–Theestablishmentanduse

5、ofsoundengineeringprinciplesinordertoobtaineconomicalsoftwarethatisreliableandworksefficientlyonrealmachinesResultComprehensivemethods–“howto”Process–contextinwhichtechnicalmethodsapplied,deliverablesproducedBettertoolsMorepowerfulbuildingblocksBetterqualityassuranceCommunicat

6、ionThreeGenericPhasesDefinitionphaseWhatInformationtobeprocessedFunction/PerformancedesiredSystemEngineeringSoftwareProjectPlanningRequirementsAnalysisThreeGenericPhases,contDevelopmentphase–howSoftwarearchitectureImplementationTestingThreeGenericPhases,contMaintenancephase–ch

7、angeCorrection–defectcorrectionAdaptation–supportsnewenvironmentEnhancementPrevention–changestoallowcorrection,adaptation,enhancementCourseDescriptionAllaspectsofsoftwareengineeringProjectmanagementRequirementsAnalysisDesignImplementationTestingMoreIntroductiontoObject-Oriente

8、dAnalysisandDesignBillBond10/16/02Schedule10/16-Background10