[Java泛型和集合].(Java.Generics.and.Collections).Maurice.Naftalin&Philip.Wadler.文字版

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1、JavaGenericsandCollectionsMauriceNaftalinandPhilipWadlerBeijing•Cambridge•Farnham•Köln•Sebastopol•Taipei•TokyoJavaGenericsandCollectionsbyMauriceNaftalinandPhilipWadlerCopyright©2007O’ReillyMedia.Allrightsreserved.PrintedintheUnitedStatesofAmerica.PublishedbyO’ReillyMedia,Inc.,1005Grave

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3、Editor:MikeLoukidesIndexers:MauriceNaftalinandPhilipWadlerProductionServices:WindfallSoftwareCoverDesigner:KarenMontgomeryPrintingHistory:October2006:FirstEdition.NutshellHandbook,theNutshellHandbooklogo,andtheO’ReillylogoareregisteredtrademarksofO’ReillyMedia,Inc.JavaGenericsandCollect

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5、nprintedincapsorinitialcaps.Whileeveryprecautionhasbeentakeninthepreparationofthisbook,thepublisherandauthorsassumenoresponsibilityforerrorsoromissions,orfordamagesresultingfromtheuseoftheinformationcon-tainedherein.TMThisbookusesRepKover™,adurableandflexiblelay-flatbinding.ISBN:978-0-5

6、96-52775-4[M][2/09]1233352047WededicatethisbooktoJoyceNaftalin,LionelNaftalin,AdamWadler,andLeoraWadler—MauriceNaftalinandPhilipWadlerTableofContentsPreface.....................................................................xiPartI.Generics1.Introduction................................

7、...........................31.1Generics41.2BoxingandUnboxing61.3Foreach91.4GenericMethodsandVarargs101.5Assertions122.SubtypingandWildcards................................................152.1SubtypingandtheSubstitutionPrinciple152.2Wildcardswithextends172.3Wildcardswithsuper18