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1、ArraysObjectivesDeclareandinitializeaone-dimensionalarrayStoredatainaone-dimensionalarrayDisplaythecontentsofaone-dimensionalarrayCodealoopusingtheForEach…NextstatementAccessanelementinaone-dimensionalarraySearchaone-dimensionalarrayComputetheaverageofaone-dimensionalarray’scontentsFindthehig

2、hestentryinaone-dimensionalarrayUpdatethecontentsofaone-dimensionalarraySortaone-dimensionalarrayObjectives(cont’d)Createandmanipulateparallelone-dimensionalarraysCreateastructureDeclareastructurevariableCreateandmanipulateaone-dimensionalarrayofstructuresCreateandinitializeatwo-dimensionalar

3、rayStoredatainatwo-dimensionalarraySearchatwo-dimensionalarrayArraysAsimpleorscalarvariableisonethatisunrelatedtoanyothervariableinmemoryAnarrayisagroupofvariablesthathavethesamenameanddatatypeandarerelatedinsomewayArrays(continued)Themostcommonlyusedarraysareone-dimensionalandtwo-dimensional

4、ProgrammersusearraystostorerelateddataintheinternalmemoryofthecomputerOne-DimensionalArraysAone-dimensionalarrayissimplyarow(orcolumn)ofvariablesEachelementinanarrayisidentifiedbyasubscript,whichVisualBasic.NETassignstothevariablewhenthearrayiscreatedOne-DimensionalArrays(continued)Youreferto

5、eachvariableinanarraybyitsnameandthevariable’ssubscriptNamesofthevariablesinaone-dimensionalarraynamedstatesOne-DimensionalArrays(continued)Declaringaone-dimensionalarrayVersion1{Dim

6、Private}arrayname(highestSubscript)AsdatatypeVersion2{Dim

7、Private}arrayname()Asdatatype={initialValues}One-Dim

8、ensionalArrays(continued)ExamplesofdeclaringanarrayDimcities(3)AsStringPrivatestates()AsString={“Hawaii”,“Alaska”,“Maine”}StoringDatainaOne-DimensionalArrayInmostcases,youuseanassignmentstatementtoenterdataintoanexistingarraySyntax:arrayname(subscript)=valueExamplescities(0)=“Madrid”cities(1)

9、=“Paris”cities(2)=“Rome”ManipulatingOne-DimensionalArraysYouwilllearnhowtoperformthefollowingtasksusingaone-dimensionalarray:DisplaythecontentsofanarrayAccessanarrayelementusingitssubscriptSearchthearrayCalculatetheaverageofthedatastoredinanu