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universally&nbsp;portable&nbsp;code.&nbsp;<BR>Since&nbsp;code&nbsp;written&nbsp;in&nbsp;the&nbsp;Java&nbsp;programming&nbsp;language&nbsp;can&nbsp;<BR>be&nbsp;embedded&nbsp;into&nbsp;a&nbsp;document&nbsp;written&nbsp;in&nbsp;the&nbsp;XML&nbsp;<BR>language,&nbsp;we&nbsp;can&nbsp;create&nbsp;a&nbsp;data&nbsp;structure&nbsp;that&nbsp;includes&nbsp;<BR>its&nbsp;own&nbsp;data&nbsp;manipulation&nbsp;applications.&nbsp;It's&nbsp;a&nbsp;great&nbsp;<BR>combination.&quot;&nbsp;<BR>&nbsp;<BR>The&nbsp;Java&nbsp;platform&nbsp;indeed&nbsp;seems&nbsp;the&nbsp;technology&nbsp;of&nbsp;choice&nbsp;<BR>for&nbsp;developers&nbsp;who&nbsp;are&nbsp;doing&nbsp;XML&nbsp;language&nbsp;work.&nbsp;For&nbsp;<BR>example,&nbsp;many&nbsp;of&nbsp;the&nbsp;available&nbsp;parsers,&nbsp;and&nbsp;popular&nbsp;<BR>tools&nbsp;are&nbsp;written&nbsp;to&nbsp;the&nbsp;Java&nbsp;platform.&nbsp;Developers&nbsp;not&nbsp;<BR>only&nbsp;find&nbsp;the&nbsp;portability&nbsp;and&nbsp;object-orientation&nbsp;<BR>attractive;&nbsp;they're&nbsp;also&nbsp;drawn&nbsp;to&nbsp;the&nbsp;sheer&nbsp;efficiency&nbsp;<BR>of&nbsp;the&nbsp;Java&nbsp;programming&nbsp;language,&nbsp;according&nbsp;to&nbsp;JP&nbsp;<BR>Morgenthal,&nbsp;president&nbsp;of&nbsp;NC.Focus,&nbsp;an&nbsp;enterprise&nbsp;<BR>application&nbsp;integration&nbsp;analyst&nbsp;and&nbsp;advisory&nbsp;firm:&nbsp;<BR>&quot;Writing&nbsp;their&nbsp;tools&nbsp;in&nbsp;the&nbsp;Java&nbsp;programming&nbsp;language&nbsp;<BR>allows&nbsp;companies&nbsp;and&nbsp;developers&nbsp;to&nbsp;get&nbsp;things&nbsp;<BR>accomplished&nbsp;very&nbsp;quickly.&nbsp;Also,&nbsp;the&nbsp;language&nbsp;offers&nbsp;<BR>string&nbsp;manipulation,&nbsp;hashtable&nbsp;support,&nbsp;URL&nbsp;support,&nbsp;<BR>and&nbsp;other&nbsp;features&nbsp;that&nbsp;make&nbsp;it&nbsp;a&nbsp;natural&nbsp;tool&nbsp;to&nbsp;<BR>develop&nbsp;in&nbsp;for&nbsp;something&nbsp;like&nbsp;XML&nbsp;language.&nbsp;And&nbsp;<BR>finally,&nbsp;it's&nbsp;really&nbsp;easy&nbsp;to&nbsp;share&nbsp;code&nbsp;--&nbsp;an&nbsp;important&nbsp;<BR>attribute&nbsp;in&nbsp;this&nbsp;very&nbsp;fast-moving&nbsp;area.&quot;&nbsp;&nbsp;<BR>&nbsp;<BR>It's&nbsp;a&nbsp;two-way&nbsp;street.&nbsp;With&nbsp;its&nbsp;metadata&nbsp;flexibility&nbsp;<BR>and&nbsp;data&nbsp;portability,&nbsp;XML&nbsp;gives&nbsp;Java&nbsp;technology&nbsp;a&nbsp;big&nbsp;<BR>leg&nbsp;up&nbsp;in&nbsp;making&nbsp;data&nbsp;even&nbsp;more&nbsp;portable&nbsp;over&nbsp;a&nbsp;<BR>network.&nbsp;Java&nbsp;technology&nbsp;offers&nbsp;a&nbsp;substantial&nbsp;<BR>productivity&nbsp;boost&nbsp;for&nbsp;software&nbsp;developers&nbsp;compared&nbsp;to&nbsp;<BR>programming&nbsp;languages&nbsp;such&nbsp;as&nbsp;C&nbsp;or&nbsp;C++.&nbsp;Together,&nbsp;XML&nbsp;<BR>and&nbsp;Java&nbsp;technologies&nbsp;lead&nbsp;directly&nbsp;to&nbsp;<BR>platform-independent,&nbsp;standards-based&nbsp;applications,&nbsp;<BR>which&nbsp;are&nbsp;ready&nbsp;to&nbsp;be&nbsp;developed&nbsp;right&nbsp;now.&nbsp;&nbsp;<BR>&nbsp;<BR>Where&nbsp;there&nbsp;is&nbsp;a&nbsp;need&nbsp;for&nbsp;information&nbsp;exchange&nbsp;on&nbsp;<BR>network&nbsp;systems&nbsp;--&nbsp;such&nbsp;as&nbsp;electronic&nbsp;data&nbsp;interchange&nbsp;<BR>(EDI)&nbsp;and&nbsp;e-commerce,&nbsp;enterprise&nbsp;resource&nbsp;planning,&nbsp;and&nbsp;<BR>workflow&nbsp;applications&nbsp;--&nbsp;XML&nbsp;and&nbsp;Java&nbsp;technologies&nbsp;<BR>together&nbsp;now&nbsp;seem&nbsp;the&nbsp;optimum&nbsp;choice.&nbsp;&nbsp;<BR>&nbsp;<BR>Portable&nbsp;Purchase&nbsp;Orders&nbsp;<BR>&nbsp;<BR>Many&nbsp;observers&nbsp;believe&nbsp;that&nbsp;XML&nbsp;and&nbsp;Java&nbsp;technologies&nbsp;<BR>together&nbsp;will&nbsp;revolutionize&nbsp;the&nbsp;way&nbsp;we&nbsp;exchange&nbsp;and&nbsp;act&nbsp;<BR>on&nbsp;information,&nbsp;automatically&nbsp;processing&nbsp;it&nbsp;for&nbsp;our&nbsp;<BR>personalized&nbsp;needs&nbsp;the&nbsp;instant&nbsp;it&nbsp;arrives&nbsp;through&nbsp;<BR>applications&nbsp;built&nbsp;on&nbsp;Java&nbsp;technology.&nbsp;&quot;XML&nbsp;technology&nbsp;<BR>makes&nbsp;the&nbsp;information&nbsp;exchange&nbsp;possible,&nbsp;and&nbsp;Java&nbsp;<BR>technology&nbsp;makes&nbsp;automation&nbsp;feasible,&quot;&nbsp;explains&nbsp;Sun's&nbsp;<BR>Bill&nbsp;Smith,&nbsp;who&nbsp;serves&nbsp;as&nbsp;architect&nbsp;for&nbsp;the&nbsp;XML&nbsp;Linking&nbsp;<BR>Working&nbsp;Group&nbsp;at&nbsp;the&nbsp;World&nbsp;Wide&nbsp;Web&nbsp;Consortium.&nbsp;&nbsp;<BR>&nbsp;<BR>For&nbsp;example,&nbsp;company&nbsp;purchase&nbsp;orders&nbsp;described&nbsp;in&nbsp;XML&nbsp;<BR>language&nbsp;could&nbsp;contain&nbsp;live&nbsp;elements,&nbsp;such&nbsp;as&nbsp;part&nbsp;and&nbsp;<BR>customer&nbsp;numbers,&nbsp;that&nbsp;can&nbsp;be&nbsp;coupled&nbsp;to&nbsp;databases&nbsp;to&nbsp;<BR>automatically&nbsp;update&nbsp;data&nbsp;warehouse&nbsp;inventory&nbsp;and&nbsp;<BR>shipments&nbsp;in&nbsp;separate&nbsp;applications&nbsp;without&nbsp;re-entering&nbsp;<BR>the&nbsp;data.&nbsp;&nbsp;<BR>&nbsp;<BR>In&nbsp;this&nbsp;example,&nbsp;a&nbsp;purchase&nbsp;order&nbsp;could&nbsp;have&nbsp;different&nbsp;<BR>behaviors&nbsp;within&nbsp;different&nbsp;applications.&nbsp;Someone&nbsp;in&nbsp;<BR>purchasing&nbsp;might&nbsp;have&nbsp;the&nbsp;authorization&nbsp;to&nbsp;assign&nbsp;a&nbsp;<BR>purchase&nbsp;order&nbsp;number,&nbsp;specify&nbsp;a&nbsp;customer&nbsp;code,&nbsp;and&nbsp;<BR>change&nbsp;dollar&nbsp;amounts&nbsp;while&nbsp;the&nbsp;originator&nbsp;would&nbsp;only&nbsp;<BR>be&nbsp;able&nbsp;to&nbsp;approve&nbsp;it&nbsp;and&nbsp;change&nbsp;the&nbsp;dollar&nbsp;amount,&nbsp;and&nbsp;<BR>the&nbsp;recipient&nbsp;would&nbsp;only&nbsp;be&nbsp;able&nbsp;to&nbsp;view,&nbsp;store,&nbsp;or&nbsp;<BR>print&nbsp;the&nbsp;document.&nbsp;Yet,&nbsp;in&nbsp;each&nbsp;case,&nbsp;it&nbsp;is&nbsp;<BR>essentially&nbsp;the&nbsp;same&nbsp;document,&nbsp;based&nbsp;on&nbsp;the&nbsp;same&nbsp;input&nbsp;<BR>data,&nbsp;but&nbsp;with&nbsp;different&nbsp;behavior&nbsp;specifications&nbsp;<BR>depending&nbsp;on&nbsp;the&nbsp;recipient.&nbsp;&nbsp;<BR>&nbsp;<BR>Alternatively,&nbsp;the&nbsp;same&nbsp;data's&nbsp;behavior&nbsp;could&nbsp;also&nbsp;<BR>change&nbsp;in&nbsp;response&nbsp;to&nbsp;the&nbsp;application&nbsp;that&nbsp;is&nbsp;<BR>processing&nbsp;it&nbsp;or&nbsp;even&nbsp;the&nbsp;device&nbsp;on&nbsp;which&nbsp;it&nbsp;is&nbsp;<BR>running.&nbsp;That&nbsp;means,&nbsp;for&nbsp;example,&nbsp;that&nbsp;a&nbsp;single&nbsp;stream&nbsp;<BR>of&nbsp;stock&nbsp;market&nbsp;data&nbsp;could&nbsp;run&nbsp;in&nbsp;separate&nbsp;applications&nbsp;<BR>as&nbsp;a&nbsp;scrolling&nbsp;text-only&nbsp;window,&nbsp;customized&nbsp;graphs,&nbsp;or&nbsp;<BR>mixed&nbsp;text&nbsp;and&nbsp;graphically&nbsp;rich&nbsp;Web&nbsp;pages.&nbsp;&nbsp;<BR>&nbsp;<BR>&nbsp;<BR>XML&nbsp;data&nbsp;can&nbsp;be&nbsp;shuttled&nbsp;between&nbsp;many&nbsp;different&nbsp;types&nbsp;of&nbsp;<BR>servers&nbsp;and&nbsp;clients.&nbsp;&nbsp;<BR>&nbsp;<BR>&nbsp;<BR>In&nbsp;documentation&nbsp;management&nbsp;and&nbsp;publishing&nbsp;<BR>applications,&nbsp;XML&nbsp;and&nbsp;Java&nbsp;technologies&nbsp;can&nbsp;offer&nbsp;<BR>breakthroughs&nbsp;such&nbsp;as&nbsp;media-independent&nbsp;publishing,&nbsp;<BR>device-independent&nbsp;presentation,&nbsp;and&nbsp;client-side&nbsp;<BR>manipulation&nbsp;for&nbsp;customized&nbsp;data&nbsp;and&nbsp;views.&nbsp;&nbsp;<BR>&nbsp;<BR>That's&nbsp;because,&nbsp;whereas&nbsp;HTML&nbsp;documents&nbsp;tend&nbsp;to&nbsp;rely&nbsp;on&nbsp;<BR>CGI&nbsp;scripts&nbsp;residing&nbsp;at&nbsp;the&nbsp;Web&nbsp;server&nbsp;for&nbsp;<BR>functionality,&nbsp;XML&nbsp;and&nbsp;Java&nbsp;technologies&nbsp;can&nbsp;deliver&nbsp;<BR>more&nbsp;application&nbsp;functionality&nbsp;directly&nbsp;to&nbsp;the&nbsp;client&nbsp;<BR>device&nbsp;for&nbsp;processing.&nbsp;This&nbsp;increases&nbsp;the&nbsp;user's&nbsp;<BR>command&nbsp;of&nbsp;the&nbsp;data&nbsp;at&nbsp;the&nbsp;client&nbsp;end&nbsp;while&nbsp;reducing&nbsp;<BR>network&nbsp;processing&nbsp;and&nbsp;traffic&nbsp;at&nbsp;the&nbsp;same&nbsp;time.&nbsp;&nbsp;<BR>&nbsp;<BR>Sun&nbsp;Is&nbsp;Committed&nbsp;to&nbsp;XML&nbsp;Technology&nbsp;for&nbsp;the&nbsp;<BR>JavaTM&nbsp;platform&nbsp;<BR>&nbsp;<BR>Java&nbsp;and&nbsp;XML&nbsp;technologies&nbsp;have&nbsp;a&nbsp;natural&nbsp;affinity&nbsp;for&nbsp;<BR>each&nbsp;other.&nbsp;They're&nbsp;not&nbsp;just&nbsp;complementary&nbsp;--&nbsp;they&nbsp;<BR>actually&nbsp;power&nbsp;each&nbsp;other&nbsp;to&nbsp;their&nbsp;greatest&nbsp;current&nbsp;<BR>potential.&nbsp;Sun&nbsp;has&nbsp;committed&nbsp;to&nbsp;XML&nbsp;language&nbsp;and&nbsp;has&nbsp;<BR>the&nbsp;technology&nbsp;to&nbsp;support&nbsp;XML&nbsp;development&nbsp;today.&nbsp;&nbsp;<BR>&nbsp;<BR>See&nbsp;Also&nbsp;<BR>&nbsp;<BR>XML&nbsp;Technology&nbsp;Pages&nbsp;on&nbsp;java.sun.com&nbsp;<BR>(<A HREF="http://java.sun.com/xml/)">http://java.sun.com/xml/)</A>&nbsp;&nbsp;<BR>&nbsp;<BR>Java&nbsp;Community&nbsp;Process&nbsp;pages&nbsp;on&nbsp;the&nbsp;Java&nbsp;Developer&nbsp;<BR>Connection&nbsp;<BR>(<A HREF="http://java.sun.com/jdc/jcp/index.html)">http://java.sun.com/jdc/jcp/index.html)</A>&nbsp;&nbsp;<BR>&nbsp;<BR>XML&nbsp;and&nbsp;Java&nbsp;Technologies&nbsp;in&nbsp;the&nbsp;News&nbsp;-&nbsp;Search&nbsp;results&nbsp;<BR>from&nbsp;our&nbsp;Java&nbsp;Industry&nbsp;ConnectionSM&nbsp;site.&nbsp;<BR>(<A HREF="http://java.sun.com/industry/)">http://java.sun.com/industry/)</A>&nbsp;&nbsp;<BR>&nbsp;<BR>The&nbsp;SGML/XML&nbsp;Web&nbsp;Page&nbsp;by&nbsp;Robin&nbsp;Cover&nbsp;<BR>(<A HREF="http://www.oasis-open.org/cover/sgml-xml.html)">http://www.oasis-open.org/cover/sgml-xml.html)</A>&nbsp;&nbsp;<BR>&nbsp;<BR>Java&nbsp;Project&nbsp;X&nbsp;Technology&nbsp;Release&nbsp;1&nbsp;-&nbsp;code&nbsp;for&nbsp;XML&nbsp;<BR>technology&nbsp;services.&nbsp;<BR>(<A HREF="http://java.sun.com/features/1999/03/xml-side1.html)">http://java.sun.com/features/1999/03/xml-side1.html)</A>&nbsp;&nbsp;<BR>&nbsp;<BR>Managing&nbsp;Names&nbsp;and&nbsp;Ontologies:&nbsp;An&nbsp;XML&nbsp;Registry&nbsp;and&nbsp;<BR>Repository&nbsp;by&nbsp;Robin&nbsp;Cover&nbsp;<BR>(<A HREF="http://www.sun.com/981201/xml/))">http://www.sun.com/981201/xml/))</A>&nbsp;&nbsp;<BR>&nbsp;<BR>WDVL.com:&nbsp;The&nbsp;Web&nbsp;Developer's&nbsp;Virtual&nbsp;Library&nbsp;-&nbsp;XML&nbsp;<BR>Subsite&nbsp;<BR>(<A HREF="http://www.wdvl.com/Authoring/Languages/XML/)">http://www.wdvl.com/Authoring/Languages/XML/)</A>&nbsp;&nbsp;<BR>&nbsp;<BR>Tutorials&nbsp;for&nbsp;using&nbsp;the&nbsp;Java&nbsp;2(R)&nbsp;platform&nbsp;and&nbsp;XML&nbsp;<BR>technology&nbsp;<BR>(<A HREF="http://developerlife.com)">http://developerlife.com)</A>&nbsp;&nbsp;<BR>&nbsp;<BR>General&nbsp;XML&nbsp;info:&nbsp;Published&nbsp;by&nbsp;Seybold&nbsp;&nbsp;<BR>(<A HREF="http://www.xml.com)">http://www.xml.com)</A>&nbsp;&nbsp;<BR>&nbsp;<BR>XML&nbsp;FAQ&nbsp;<BR>(<A HREF="http://www.ucc.ie/xml/)">http://www.ucc.ie/xml/)</A>&nbsp;&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Other&nbsp;Recent&nbsp;Features&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Making&nbsp;a&nbsp;Masterpiece&nbsp;at&nbsp;MoMA&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Say&nbsp;&quot;Ah!&quot;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Inventing&nbsp;the&nbsp;Future&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Java&nbsp;3D&nbsp;API&nbsp;in&nbsp;Action&nbsp;<BR>&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This&nbsp;page&nbsp;was&nbsp;updated:&nbsp;12-Mar-99&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;======================================&nbsp;<BR>&nbsp;<BR>--&nbsp;<BR>※&nbsp;来源:·BBS&nbsp;水木清华站&nbsp;bbs.net.tsinghua.edu.cn·[FROM:&nbsp;166.111.68.179]&nbsp;<BR><CENTER><H1>BBS水木清华站∶精华区</H1></CENTER></BODY></HTML>

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