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1、Team[oR]2001[x]javaO’reilly-JavaPerformanceTuningJavaPerformanceTuningCopyright©2000O'Reilly&Associates,Inc.Allrightsreserved.PrintedintheUnitedStatesofAmerica.PublishedbyO'Reilly&Associates,Inc.,101MorrisStreet,Sebastopol,CA95472.TheO'Reillylogoisaregisteredtradema
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5、s.Wherethosedesignationsappearinthisbook,andO'Reilly&Associates,Inc.wasawareofatrademarkclaim,thedesignationshavebeenprintedincapsorinitialcaps.Whileeveryprecautionhasbeentakeninthepreparationofthisbook,thepublisherassumesnoresponsibilityforerrorsoromissions,orforda
6、magesresultingfromtheuseoftheinformationcontainedherein.Whileeveryprecautionhasbeentakeninthepreparationofthisbook,thepublisherassumesnoresponsibilityforerrorsoromissions,orfordamagesresultingfromtheuseoftheinformationcontainedherein.JavaPerformanceTuningPreface-5Co
7、ntentsofThisBookVirtualMachine(VM)VersionsConventionsUsedinThisBookCommentsandQuestionsAcknowledgments1.Introduction-71.1WhyIsItSlow?1.2TheTuningGame1.3SystemLimitationsandWhattoTune1.4ATuningStrategy1.5PerceivedPerformance1.6StartingtoTune1.7WhattoMeasure1.8Don'tTu
8、neWhatYouDon'tNeedtoTune1.9PerformanceChecklist2.ProfilingTools-212.1MeasurementsandTimings2.2GarbageCollection2.3MethodCalls2.4Object-Cre
