BS ISO/IEC 20970-2002 信息技术.编程语言及其环境和系统软件接口.JEFF文件形式
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【英文标准名称】:Informationtechnology-Programminglanguages,theirenvironmentsandsystemsoftwareinterfaces-JEFFfileformat
【原文标准名称】:信息技术.编程语言及其环境和系统软件接口.JEFF文件形式
【标准号】:BSISO/IEC20970-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-08-07
【实施或试行日期】:2002-08-07
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:代码字符集;文件结构(计算机);数据组织;信息交流;接口(数据处理);计算机程序;数据布置;数据结构;计算机软件;程序设计语言;编码(数据转换);数据处理;数据传送
【英文主题词】:Computersoftware;Dataprocessing;Definition;Definitions;Files;Informationinterchange;Informationtechnology;Interfaces(dataprocessing);Programminglanguages;Specification(approval)
【摘要】:ThisInternationalStandardcanbeusedwithbenefitsonallkindsofplatform.ThisInternationalStandard'smostimmediateinterestisfordeployingportableapplicationsonsmallfootprintdevices.ThisInternationalStandardprovidesdramaticsavingsofdynamicmemoryandexecutiontimewithoutsacrificinganyoftheflexibilityusuallyattachedtotheuseofnon-pre-linkedportablecode.ThisInternationalStandardisespeciallyimportanttoprovideacompletesolutiontoexecuteportableprogramsofwhichcodesizeisbiggerthantheavailabledynamicmemory.ThisInternationalStandardisalsoveryimportantwhenfastreactivityofprogramsisimportant.Byavoidingtheextra-processingrelatedtoloadingintodynamicmemoryandformattingclassesatruntime,thisInternationalStandardprovidesacompleteanswertotheproblemofclass-loadingslow-down.Thesebenefitsareparticularlyinterestingforsmalldevicessupportingfinancialapplications.Suchapplicationsareoftencomplexandrelyingoncodeofsignificantsize,whilethepressureofthemarketoftenimposestothesedevicestobeofalowpriceand,consequently,tobeverysmallfootprintplatforms.Inaddition,tonotimposeunacceptabledelaystocustomers,itisimportanttheseapplicationsdonotwastetimeinloadingclassesintodynamicmemorywhentheyarelaunchedbut,onthecontrary,tobeimmediatelyactivelyprocessingthetransactionwithnodelay.Whenusingsmartcards,therearealsosomeloosereal-timeconstraintsthatarebetterhandledifitcanbegrantedthatnotemporaryfreezingofprocessingcanoccurduetoclassloading.ThisInternationalStandardcanalsobeofgreatbenefitfordevicesdealingwithreal-timeapplications.Inthiscase,avoidingthedelaysduetoclassloadingcanplayanimportantroletosatisfyreal-timeconstraints.
【中国标准分类号】:L74
【国际标准分类号】:35_060
【页数】:50P.;A4
【正文语种】:英语
【原文标准名称】:信息技术.编程语言及其环境和系统软件接口.JEFF文件形式
【标准号】:BSISO/IEC20970-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-08-07
【实施或试行日期】:2002-08-07
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:代码字符集;文件结构(计算机);数据组织;信息交流;接口(数据处理);计算机程序;数据布置;数据结构;计算机软件;程序设计语言;编码(数据转换);数据处理;数据传送
【英文主题词】:Computersoftware;Dataprocessing;Definition;Definitions;Files;Informationinterchange;Informationtechnology;Interfaces(dataprocessing);Programminglanguages;Specification(approval)
【摘要】:ThisInternationalStandardcanbeusedwithbenefitsonallkindsofplatform.ThisInternationalStandard'smostimmediateinterestisfordeployingportableapplicationsonsmallfootprintdevices.ThisInternationalStandardprovidesdramaticsavingsofdynamicmemoryandexecutiontimewithoutsacrificinganyoftheflexibilityusuallyattachedtotheuseofnon-pre-linkedportablecode.ThisInternationalStandardisespeciallyimportanttoprovideacompletesolutiontoexecuteportableprogramsofwhichcodesizeisbiggerthantheavailabledynamicmemory.ThisInternationalStandardisalsoveryimportantwhenfastreactivityofprogramsisimportant.Byavoidingtheextra-processingrelatedtoloadingintodynamicmemoryandformattingclassesatruntime,thisInternationalStandardprovidesacompleteanswertotheproblemofclass-loadingslow-down.Thesebenefitsareparticularlyinterestingforsmalldevicessupportingfinancialapplications.Suchapplicationsareoftencomplexandrelyingoncodeofsignificantsize,whilethepressureofthemarketoftenimposestothesedevicestobeofalowpriceand,consequently,tobeverysmallfootprintplatforms.Inaddition,tonotimposeunacceptabledelaystocustomers,itisimportanttheseapplicationsdonotwastetimeinloadingclassesintodynamicmemorywhentheyarelaunchedbut,onthecontrary,tobeimmediatelyactivelyprocessingthetransactionwithnodelay.Whenusingsmartcards,therearealsosomeloosereal-timeconstraintsthatarebetterhandledifitcanbegrantedthatnotemporaryfreezingofprocessingcanoccurduetoclassloading.ThisInternationalStandardcanalsobeofgreatbenefitfordevicesdealingwithreal-timeapplications.Inthiscase,avoidingthedelaysduetoclassloadingcanplayanimportantroletosatisfyreal-timeconstraints.
【中国标准分类号】:L74
【国际标准分类号】:35_060
【页数】:50P.;A4
【正文语种】:英语
下载地址: 点击此处下载