锘??xml version="1.0" encoding="utf-8" standalone="yes"?>亚洲国产精品久久66,亚洲国产黄在线观看,亚洲成电影在线观看青青http://m.tkk7.com/buaacaptain/category/11629.html鍙湁鍋忔墽鐙傛墠鑳界敓瀛?/description>zh-cnFri, 02 Mar 2007 03:33:38 GMTFri, 02 Mar 2007 03:33:38 GMT60灝忚HashMaphttp://m.tkk7.com/buaacaptain/archive/2006/07/20/59178.html鑸歸暱鑸歸暱Thu, 20 Jul 2006 06:14:00 GMThttp://m.tkk7.com/buaacaptain/archive/2006/07/20/59178.htmlhttp://m.tkk7.com/buaacaptain/comments/59178.htmlhttp://m.tkk7.com/buaacaptain/archive/2006/07/20/59178.html#Feedback0http://m.tkk7.com/buaacaptain/comments/commentRss/59178.htmlhttp://m.tkk7.com/buaacaptain/services/trackbacks/59178.html澶у閮界煡閬擄紝鍦↗ava閲屽瀵硅薄鐨勬搷浣滄槸鍩轟簬寮曠敤鐨勩傝屽綋鎴戜滑闇瑕佸涓緇勫璞℃搷浣滅殑鏃跺欙紝灝遍渶瑕佹湁鎺ユ敹榪欎竴緇勫紩鐢ㄧ殑瀹瑰櫒銆傚鉤鏃舵垜浠渶甯哥敤鐨勫氨鏄暟緇勩傚湪Java閲屽彲浠ュ畾涔変竴涓璞℃暟緇勬潵瀹屾垚璁稿鎿嶄綔銆傚彲鏄紝鏁扮粍闀垮害鏄浐瀹氱殑錛屽鏋滄垜浠渶瑕佹洿鍔犵伒媧葷殑瑙e喅鏂規璇ユ庝箞鍔炲憿錛?/p>

Java鎻愪緵浜哻ontainer classes鏉ヨВ鍐寵繖涓闂銆俢ontainer classes鍖呮嫭涓や釜閮ㄥ垎錛欳ollection鍜孧ap銆傚畠浠殑緇撴瀯鏄繖鏍風殑錛?/p>

鏈枃閲嶇偣浠嬬粛HashMap銆傞鍏堜粙緇嶄竴涓嬩粈涔堟槸Map銆傚湪鏁扮粍涓垜浠槸閫氳繃鏁扮粍涓嬫爣鏉ュ鍏跺唴瀹圭儲寮曠殑錛岃屽湪Map涓垜浠氳繃瀵硅薄鏉ュ瀵硅薄榪涜绱㈠紩錛岀敤鏉ョ儲寮曠殑瀵硅薄鍙仛key錛屽叾瀵瑰簲鐨勫璞″彨鍋歷alue銆傚湪涓嬫枃涓細鏈変緥瀛愬叿浣撹鏄庛?/p>

鍐嶆潵鐪嬬湅HashMap鍜孴reeMap鏈変粈涔堝尯鍒侶ashMap閫氳繃hashcode瀵瑰叾鍐呭榪涜蹇熸煡鎵撅紝鑰孴reeMap涓墍鏈夌殑鍏冪礌閮戒繚鎸佺潃鏌愮鍥哄畾鐨勯『搴忥紝濡傛灉浣犻渶瑕佸緱鍒頒竴涓湁搴忕殑緇撴灉浣犲氨搴旇浣跨敤TreeMap錛圚ashMap涓厓绱犵殑鎺掑垪欏哄簭鏄笉鍥哄畾鐨勶級銆?/p>

涓嬮潰灝辮榪涘叆鏈枃鐨勪富棰樹簡銆傚厛涓句釜渚嬪瓙璇存槑涓涓嬫庢牱浣跨敤HashMap:

import java.util.*;

public class Exp1 {
聽聽聽聽聽public static void main(String[] args){
聽聽聽聽聽聽聽聽聽聽HashMap h1=new HashMap();
聽聽聽聽聽聽聽聽聽聽Random r1=new Random();聽聽聽聽
聽聽聽聽聽聽聽聽聽聽for(int i=0;i<1000;i++){
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽Integer t=new Integer(r1.nextInt(20));
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽if(h1.containsKey(t))
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽((Ctime)h1.get(t)).count++;
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽else
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽h1.put(t, new Ctime());
聽聽聽聽聽聽聽聽聽聽}
聽聽聽聽聽聽聽聽聽聽System.out.println(h1);
聽聽聽聽聽}
}

class Ctime{
聽聽聽聽聽int count=1;
聽聽聽聽聽public String toString(){
聽聽聽聽聽聽聽聽聽聽return Integer.toString(count);
聽聽聽聽聽}
}

鍦℉ashMap涓氳繃get()鏉ヨ幏鍙杤alue錛岄氳繃put()鏉ユ彃鍏alue錛孋ontainsKey()鍒欑敤鏉ユ楠屽璞℃槸鍚﹀凡緇忓瓨鍦ㄣ傚彲浠ョ湅鍑猴紝鍜孉rrayList鐨勬搷浣滅浉姣旓紝HashMap闄や簡閫氳繃key绱㈠紩鍏跺唴瀹逛箣澶栵紝鍒殑鏂歸潰宸紓騫朵笉澶с?/p>

鍓嶉潰浠嬬粛浜嗭紝HashMap鏄熀浜嶩ashCode鐨勶紝鍦ㄦ墍鏈夊璞$殑瓚呯被Object涓湁涓涓狧ashCode()鏂規硶錛屼絾鏄畠鍜宔quals鏂規硶涓鏍鳳紝騫朵笉鑳介傜敤浜庢墍鏈夌殑鎯呭喌錛岃繖鏍鋒垜浠氨闇瑕侀噸鍐欒嚜宸辯殑HashCode()鏂規硶銆備笅闈㈠氨涓捐繖鏍蜂竴涓緥瀛愶細

import java.util.*;

public class Exp2 {
聽聽聽聽聽public static void main(String[] args){
聽聽聽聽聽聽聽聽聽聽HashMap h2=new HashMap();
聽聽聽聽聽聽聽聽聽聽for(int i=0;i<10;i++)
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽h2.put(new Element(i), new Figureout());
聽聽聽聽聽聽聽聽聽聽System.out.println("h2:");
聽聽聽聽聽聽聽聽聽聽System.out.println("Get the result for Element:");
聽聽聽聽聽聽聽聽聽聽Element test=new Element(5);
聽聽聽聽聽聽聽聽聽聽if(h2.containsKey(test))
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽System.out.println((Figureout)h2.get(test));
聽聽聽聽聽聽聽聽聽聽else
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽System.out.println("Not found");
聽聽聽聽聽}
}

class Element{
聽聽聽聽聽int number;
聽聽聽聽聽public Element(int n){
聽聽聽聽聽聽聽聽聽聽number=n;
聽聽聽聽聽}
}

class Figureout{
聽聽聽聽聽Random r=new Random();
聽聽聽聽聽boolean possible=r.nextDouble()>0.5;
聽聽聽聽聽public String toString(){
聽聽聽聽聽聽聽聽聽聽if(possible)
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽return "OK!";
聽聽聽聽聽聽聽聽聽聽else
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽return "Impossible!";
聽聽聽聽聽}
}

鍦ㄨ繖涓緥瀛愪腑錛孍lement鐢ㄦ潵绱㈠紩瀵硅薄Figureout,涔熷嵆Element涓簁ey錛孎igureout涓簐alue銆傚湪Figureout涓殢鏈虹敓鎴愪竴涓誕鐐規暟錛屽鏋滃畠姣?.5澶э紝鎵撳嵃鈥淥K!鈥濓紝鍚﹀垯鎵撳嵃鈥淚mpossible!鈥濄備箣鍚庢煡鐪婨lement(3)瀵瑰簲鐨凢igureout緇撴灉濡備綍銆?/p>

緇撴灉鍗村彂鐜幫紝鏃犺浣犺繍琛屽灝戞錛屽緱鍒扮殑緇撴灉閮芥槸鈥淣ot found鈥濄備篃灝辨槸璇寸儲寮旹lement(3)騫朵笉鍦℉ashMap涓傝繖鎬庝箞鍙兘鍛紵

鍘熷洜寰楁參鎱㈡潵璇達細Element鐨凥ashCode鏂規硶緇ф壙鑷狾bject錛岃孫bject涓殑HashCode鏂規硶榪斿洖鐨凥ashCode瀵瑰簲浜庡綋鍓嶇殑鍦板潃錛屼篃灝辨槸璇村浜庝笉鍚岀殑瀵硅薄錛屽嵆浣垮畠浠殑鍐呭瀹屽叏鐩稿悓錛岀敤HashCode錛堬級榪斿洖鐨勫間篃浼氫笉鍚屻傝繖鏍峰疄闄呬笂榪濊儗浜嗘垜浠殑鎰忓浘銆傚洜涓烘垜浠湪浣跨敤HashMap鏃訛紝甯屾湜鍒╃敤鐩稿悓鍐呭鐨勫璞$儲寮曞緱鍒扮浉鍚岀殑鐩爣瀵硅薄錛岃繖灝遍渶瑕丠ashCode()鍦ㄦ鏃惰兘澶熻繑鍥炵浉鍚岀殑鍊箋傚湪涓婇潰鐨勪緥瀛愪腑錛屾垜浠湡鏈沶ew Element(i) (i=5)涓幝燛lement test=new Element(5)鏄浉鍚岀殑錛岃屽疄闄呬笂榪欐槸涓や釜涓嶅悓鐨勫璞★紝灝界瀹冧滑鐨勫唴瀹圭浉鍚岋紝浣嗗畠浠湪鍐呭瓨涓殑鍦板潃涓嶅悓銆傚洜姝ゅ緢鑷劧鐨勶紝涓婇潰鐨勭▼搴忓緱涓嶅埌鎴戜滑璁炬兂鐨勭粨鏋溿備笅闈㈠Element綾繪洿鏀瑰涓嬶細

class Element{
聽聽聽聽聽int number;
聽聽聽聽聽public Element(int n){
聽聽聽聽聽聽聽聽聽聽number=n;
聽聽聽聽聽}
聽聽聽聽聽public int hashCode(){
聽聽聽聽聽聽聽聽聽聽return number;
聽聽聽聽聽}
聽聽聽聽聽public boolean equals(Object o){
聽聽聽聽聽聽聽聽聽聽return (o instanceof Element) && (number==((Element)o).number);
聽聽聽聽聽}
}

鍦ㄨ繖閲孍lement瑕嗙洊浜哋bject涓殑hashCode()鍜宔quals()鏂規硶銆傝鐩杊ashCode()浣垮叾浠umber鐨勫間綔涓篽ashcode榪斿洖錛岃繖鏍峰浜庣浉鍚屽唴瀹圭殑瀵硅薄鏉ヨ瀹冧滑鐨刪ashcode涔熷氨鐩稿悓浜嗐傝岃鐩杄quals()鏄負浜嗗湪HashMap鍒ゆ柇涓や釜key鏄惁鐩哥瓑鏃朵嬌緇撴灉鏈夋剰涔夛紙鏈夊叧閲嶅啓equals()鐨勫唴瀹瑰彲浠ュ弬鑰冩垜鐨勫彟涓綃囨枃绔犮婇噸鏂扮紪鍐橭bject綾諱腑鐨勬柟娉?銆嬶級銆備慨鏀瑰悗鐨勭▼搴忚繍琛岀粨鏋滃涓嬶細

h2:
Get the result for Element:
Impossible!

璇瘋浣忥細濡傛灉浣犳兂鏈夋晥鐨勪嬌鐢℉ashMap錛屼綘灝卞繀欏婚噸鍐欏湪鍏剁殑HashCode()銆?/p>

榪樻湁涓ゆ潯閲嶅啓HashCode()鐨勫師鍒欙細

  1. 涓嶅繀瀵規瘡涓笉鍚岀殑瀵硅薄閮戒駭鐢熶竴涓敮涓鐨刪ashcode錛屽彧瑕佷綘鐨凥ashCode鏂規硶浣縢et()鑳藉寰楀埌put()鏀捐繘鍘葷殑鍐呭灝卞彲浠ヤ簡銆傚嵆鈥滀笉涓轟竴鍘熷垯鈥濄?
  2. 鐢熸垚hashcode鐨勭畻娉曞敖閲忎嬌hashcode鐨勫煎垎鏁d竴浜涳紝涓嶈寰堝hashcode閮介泦涓湪涓涓寖鍥村唴錛岃繖鏍鋒湁鍒╀簬鎻愰珮HashMap鐨勬ц兘銆傚嵆鈥滃垎鏁e師鍒欌濄?

鑷充簬絎簩鏉″師鍒欑殑鍏蜂綋鍘熷洜錛屾湁鍏磋叮鑰呭彲浠ュ弬鑰傿ruce Eckel鐨勩奣hinking in Java銆嬶紝鍦ㄩ偅閲屾湁瀵笻ashMap鍐呴儴瀹炵幇鍘熺悊鐨勪粙緇嶏紝榪欓噷灝變笉璧樿堪浜嗐?/p>

鎺屾彙浜嗚繖涓ゆ潯鍘熷垯錛屼綘灝辮兘澶熺敤濂紿ashMap緙栧啓鑷繁鐨勭▼搴忎簡銆備笉鐭ラ亾澶у娉ㄦ剰娌℃湁錛宩ava.lang.Object涓彁渚涚殑涓変釜鏂規硶錛歝lone()錛宔quals()鍜宧ashCode()铏界劧寰堝吀鍨嬶紝浣嗗湪寰堝鎯呭喌涓嬮兘涓嶈兘澶熼傜敤錛屽畠浠彧鏄畝鍗曠殑鐢卞璞$殑鍦板潃寰楀嚭緇撴灉銆傝繖灝遍渶瑕佹垜浠湪鑷繁鐨勭▼搴忎腑閲嶅啓瀹冧滑錛屽叾瀹瀓ava綾誨簱涓篃閲嶅啓浜嗗崈鍗冧竾涓囦釜榪欐牱鐨勬柟娉曘傚埄鐢ㄩ潰鍚戝璞$殑澶氭佹р斺旇鐩栵紝Java鐨勮璁¤呭緢浼橀泤鐨勬瀯寤轟簡Java鐨勭粨鏋勶紝涔熸洿鍔犱綋鐜頒簡Java鏄竴闂ㄧ函OOP璇█鐨勭壒鎬с?/p>

Java鎻愪緵鐨凜ollection鍜孧ap鐨勫姛鑳芥槸鍗佸垎寮哄ぇ鐨勶紝瀹冧滑鑳藉浣夸綘鐨勭▼搴忓疄鐜版柟寮忔洿涓虹伒媧伙紝鎵ц鏁堢巼鏇撮珮銆傚笇鏈涙湰鏂囪兘澶熷澶у鏇村ソ鐨勪嬌鐢℉ashMap鏈夋墍甯姪銆?



鑸歸暱 2006-07-20 14:14 鍙戣〃璇勮
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鏈夊叧servlet鐨勭敓鍛藉懆鏈熼棶棰?/title><link>http://m.tkk7.com/buaacaptain/archive/2006/06/05/50522.html</link><dc:creator>鑸歸暱</dc:creator><author>鑸歸暱</author><pubDate>Mon, 05 Jun 2006 08:24:00 GMT</pubDate><guid>http://m.tkk7.com/buaacaptain/archive/2006/06/05/50522.html</guid><wfw:comment>http://m.tkk7.com/buaacaptain/comments/50522.html</wfw:comment><comments>http://m.tkk7.com/buaacaptain/archive/2006/06/05/50522.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://m.tkk7.com/buaacaptain/comments/commentRss/50522.html</wfw:commentRss><trackback:ping>http://m.tkk7.com/buaacaptain/services/trackbacks/50522.html</trackback:ping><description><![CDATA[ <span id="LblContent">servlet鏈夎壇濂界殑鐢熷瓨鏈熺殑瀹氫箟錛屽寘鎷浣曞姞杞姐佸疄渚嬪寲銆佸垵濮嬪寲銆佸鐞嗗鎴風璇鋒眰浠ュ強濡備綍琚Щ闄ゃ傝繖涓敓瀛樻湡鐢眏avax.servlet.Servlet鎺ュ彛鐨刬nit,service鍜宒estroy鏂規硶琛ㄨ揪銆?br />1銆佸姞杞藉拰瀹炰緥鍖?br />瀹瑰櫒璐熻矗鍔犺澆鍜屽疄渚嬪寲涓涓猻ervlet銆傚疄渚嬪寲鍜屽姞杞藉彲浠ュ彂鐢熷湪寮曟搸鍚姩鐨勬椂鍊欙紝涔熷彲浠ユ帹榪熷埌瀹瑰櫒闇瑕佽servlet涓哄鎴瘋姹傛湇鍔$殑鏃跺欍?br />棣栧厛瀹瑰櫒蹇呴』鍏堝畾浣峴ervlet綾伙紝鍦ㄥ繀瑕佺殑鎯呭喌涓嬶紝瀹瑰櫒浣跨敤閫氬父鐨凧ava綾誨姞杞藉伐鍏峰姞杞借servlet錛屽彲鑳芥槸浠庢湰鏈烘枃浠剁郴緇燂紝涔熷彲浠ユ槸浠庤繙紼嬫枃浠剁郴緇熺敋鑷沖叾瀹冪殑緗戠粶鏈嶅姟銆傚鍣ㄥ姞杞絪ervlet綾諱互鍚庯紝瀹冧細瀹炰緥鍖栬綾葷殑涓涓疄渚嬨傞渶瑕佹敞鎰忕殑鏄彲鑳戒細瀹炰緥鍖栧涓疄渚嬶紝渚嬪涓涓猻ervlet綾誨洜涓烘湁涓嶅悓鐨勫垵濮嬪弬鏁拌屾湁澶氫釜瀹氫箟錛屾垨鑰卻ervlet瀹炵幇SingleThreadModel鑰屽鑷村鍣ㄤ負涔嬬敓鎴愪竴涓疄渚嬫睜銆?br /><br />2銆佸垵濮嬪寲<br />servlet鍔犺澆騫跺疄渚嬪寲鍚庯紝瀹瑰櫒蹇呴』鍦ㄥ畠鑳藉澶勭悊瀹㈡埛绔姹傚墠鍒濆鍖栧畠銆傚垵濮嬪寲鐨勮繃紼嬩富瑕佹槸璇誨彇姘鎬箙鐨勯厤緗俊鎭紝鏄傝吹璧勬簮錛堜緥濡侸DBC榪炴帴錛変互鍙婂叾瀹冧粎浠呴渶瑕佹墽琛屼竴嬈$殑浠誨姟銆傞氳繃璋冪敤瀹冪殑init鏂規硶騫剁粰瀹冧紶閫掑敮涓鐨勪竴涓紙姣忎釜servlet瀹氫箟涓涓級ServletConfig瀵硅薄瀹屾垚榪欎釜榪囩▼銆傜粰瀹冧紶閫掔殑榪欎釜閰嶇疆瀵硅薄鍏佽servlet璁塊棶瀹瑰櫒鐨勯厤緗俊鎭腑鐨勫悕縐幫紞鍊煎錛坣ame-value錛夊垵濮嬪寲鍙傛暟銆傝繖涓厤緗璞″悓鏃剁粰servlet鎻愪緵浜嗚闂疄鐜頒簡ServletContext鎺ュ彛鐨勫叿浣撳璞$殑鏂規硶錛岃瀵硅薄鎻忚堪浜唖ervlet鐨勮繍琛岀幆澧冦?br />聽聽聽聽2.1鍒濆鍖栫殑閿欒澶勭悊<br />聽聽聽聽鍦ㄥ垵濮嬪寲鏈熼棿錛宻ervlet瀹炰緥鍙兘閫氳繃鎶涘嚭UnavailableException聽鎴栬吢燬ervletException寮傚父琛ㄦ槑瀹冧笉鑳借繘琛屾湁鏁堟湇鍔°傚鏋滀竴涓猻ervlet鎶涘嚭涓涓繖鏍風殑寮傚父錛屽畠灝嗕笉浼氳緗叆鏈夋晥鏈嶅姟騫朵笖搴旇琚鍣ㄧ珛鍗抽噴鏀俱傚湪姝ゆ儏鍐典笅destroy鏂規硶涓嶄細琚皟鐢ㄥ洜涓哄垵濮嬪寲娌℃湁鎴愬姛瀹屾垚銆傚湪澶辮觸鐨勫疄渚嬭閲婃斁鍚庯紝瀹瑰櫒鍙兘鍦ㄤ換浣曟椂鍊欏疄渚嬪寲涓涓柊鐨勫疄渚嬶紝瀵硅繖涓鍒欑殑鍞竴渚嬪鏄鏋滃け璐ョ殑servlet鎶涘嚭鐨勫紓甯告槸UnavailableException騫朵笖璇ュ紓甯告寚鍑轟簡鏈灝忕殑鏃犳晥鏃墮棿錛岄偅涔堝鍣ㄥ氨浼氳嚦灝戠瓑寰呰鏃墮棿鎸囨槑鐨勬椂闄愭墠浼氶噸鏂拌瘯鍥懼垱寤轟竴涓柊鐨勫疄渚嬨?br />聽聽聽聽2.2銆佸伐鍏峰洜绱?br />聽聽聽聽褰撳伐鍏鳳紙娉細鏍規嵁絎旇呯殑鐞嗚В錛岃繖涓伐鍏峰彲鑳芥槸搴旂敤鏈嶅姟鍣ㄧ殑鏌愪簺媯鏌ュ伐鍏鳳紝閫氬父鏄獙璇佸簲鐢ㄧ殑鍚堟硶鎬у拰瀹屾暣鎬э級鍔犺澆鍜屽唴鐪侊紙introspect錛変竴涓獁eb搴旂敤鏃訛紝瀹冨彲鑳藉姞杞藉拰鍐呯渷璇ュ簲鐢ㄤ腑鐨勭被錛岃繖涓涓哄皢瑙﹀彂閭d簺綾葷殑闈欐佸垵濮嬫柟娉曡鎵ц錛屽洜姝わ紝寮鍙戣呬笉鑳藉亣瀹氬彧瑕佸綋servlet鐨刬nit鏂規硶琚皟鐢ㄥ悗瀹冩墠澶勪簬媧誨姩瀹瑰櫒榪愯鐘舵侊紙active聽container聽runtime錛夈備綔涓轟竴涓緥瀛愶紝榪欐剰鍛崇潃servlet涓嶈兘鍦ㄥ畠鐨勯潤鎬侊紙綾伙級鍒濆鍖栨柟娉曡璋冪敤鏃惰瘯鍥懼緩绔嬫暟鎹簱榪炴帴鎴栬呰繛鎺JB瀹瑰櫒銆?br /><br />3銆佸鐞嗚姹?br />鍦╯ervlet琚傚綋鍦板垵濮嬪寲鍚庯紝瀹瑰櫒灝卞彲浠ヤ嬌鐢ㄥ畠鍘誨鐞嗚姹備簡銆傛瘡涓涓姹傜敱ServletRequest綾誨瀷鐨勫璞′唬琛紝鑰宻ervlet浣跨敤ServletResponse鍥炲簲璇ヨ姹傘傝繖浜涘璞¤浣滀負service鏂規硶鐨勫弬鏁頒紶閫掔粰servlet銆傚湪HTTP璇鋒眰鐨勬儏鍐典笅錛屽鍣ㄥ繀欏繪彁渚涗唬琛ㄨ姹傚拰鍥炲簲鐨凥ttpServletRequest鍜孒ttpServletResponse鐨勫叿浣撳疄鐜般傞渶瑕佹敞鎰忕殑鏄鍣ㄥ彲鑳戒細鍒涘緩涓涓猻ervlet瀹炰緥騫跺皢涔嬫斁鍏ョ瓑寰呮湇鍔$殑鐘舵侊紝浣嗘槸榪欎釜瀹炰緥鍦ㄥ畠鐨勭敓瀛樻湡涓彲鑳芥牴鏈病鏈夊鐞嗚繃浠諱綍璇鋒眰銆?br />聽聽聽聽3.1銆佸綰跨▼闂<br />聽聽聽聽瀹瑰櫒鍙兘鍚屾椂灝嗗涓鎴風鐨勮姹傚彂閫佺粰涓涓疄渚嬬殑service鏂規硶錛岃繖涔熷氨鎰忓懗鐫寮鍙戣呭繀欏葷‘淇濈紪鍐欑殑servlet鍙互澶勭悊騫跺彂闂銆傚鏋滃紑鍙戣呮兂闃叉榪欑緙虹渷鐨勮涓猴紝閭d箞浠栧彲浠ヨ浠栫紪鍐欑殑servlet瀹炵幇SingleThreadModel銆傚疄鐜拌繖涓被鍙互淇濊瘉涓嬈″彧浼氭湁涓涓嚎紼嬪湪鎵цservice鏂規硶騫朵笖涓嬈℃ф墽琛屽畬銆傚鍣ㄥ彲浠ラ氳繃灝嗚姹傛帓闃熸垨鑰呯淮鎶や竴涓猻ervlet瀹炰緥姹犳弧瓚寵繖涓鐐廣傚鏋渟ervlet鏄垎甯冨紡搴旂敤鐨勪竴閮ㄥ垎錛岄偅涔堬紝閭d箞瀹瑰櫒鍙兘鍦ㄨ搴旂敤鍒嗗竷鐨勬瘡涓狫VM涓兘緇存姢涓涓疄渚嬫睜銆傚鏋滃紑鍙戣呬嬌鐢╯ynchronized鍏抽敭瀛楀畾涔塻ervice鏂規硶(鎴栬呮槸doGet鍜宒oPost)錛屽鍣ㄥ皢鎺掗槦澶勭悊璇鋒眰錛岃繖鏄敱搴曞眰鐨刯ava榪愯鏃剁郴緇熻姹傜殑銆傛垜浠己鐑堟帹鑽愬紑鍙戣呬笉瑕佸悓姝ervice鏂規硶鎴栬匟TTPServlet鐨勮濡俤oGet鍜宒oPost榪欐牱鐨勬湇鍔℃柟娉曘?br />聽聽聽聽3.2銆佸鐞嗚姹備腑鐨勫紓甯?br 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/>褰撳鍣ㄥ喅瀹氬皢涔嬬Щ闄ゆ椂錛堝師鍥犲彲鑳芥槸淇濆瓨鍐呭瓨璧勬簮鎴栬呰嚜宸辮鍏抽棴錛夛紝閭d箞瀹冨繀欏誨厑璁竤ervlet閲婃斁瀹冩鍦ㄤ嬌鐢ㄧ殑浠諱綍璧勬簮騫朵繚瀛樹換浣曟案涔呯姸鎬侊紙榪欎釜榪囩▼閫氳繃璋冪敤destroy鏂規硶杈懼埌錛夈傚鍣ㄥ湪鑳藉璋冪敤destroy鏂規硶鍓嶏紝瀹冨繀欏誨厑璁擱偅浜涙鍦╯ervice鏂規硶涓墽琛岀殑綰跨▼鎵ц瀹屾垨鑰呭湪鏈嶅姟鍣ㄥ畾涔夌殑涓孌墊椂闂村唴鎵ц錛堣繖涓椂闂存鍦ㄥ鍣ㄨ皟鐢╠estroy涔嬪墠錛夈備竴鏃estroy鏂規硶琚皟鐢紝瀹瑰櫒灝變笉浼氬啀鍚戣瀹炰緥鍙戦佷換浣曡姹傘傚鏋滃鍣ㄩ渶瑕佸啀浣跨敤璇ervlet錛屽畠蹇呴』鍒涘緩鏂扮殑瀹炰緥銆俤estroy鏂規硶瀹屾垚鍚庯紝瀹瑰櫒蹇呴』閲婃斁servlet瀹炰緥浠ヤ究瀹冭兘澶熻鍨冨溇鍥炴敹銆?br /><br />鍙﹀弬鑰?a >http://tech.ccidnet.com/art/1077/20041123/180515_1.html</a><br /><a >http://dev2dev.bea.com.cn/techdoc/20051024674.html</a></span> <img src ="http://m.tkk7.com/buaacaptain/aggbug/50522.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://m.tkk7.com/buaacaptain/" target="_blank">鑸歸暱</a> 2006-06-05 16:24 <a href="http://m.tkk7.com/buaacaptain/archive/2006/06/05/50522.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>杞?浠涔堟槸jvm錛熶綘寰堟竻妤氬湴浜嗚В瀹冨悧錛?/title><link>http://m.tkk7.com/buaacaptain/archive/2006/05/30/48860.html</link><dc:creator>鑸歸暱</dc:creator><author>鑸歸暱</author><pubDate>Mon, 29 May 2006 16:51:00 GMT</pubDate><guid>http://m.tkk7.com/buaacaptain/archive/2006/05/30/48860.html</guid><wfw:comment>http://m.tkk7.com/buaacaptain/comments/48860.html</wfw:comment><comments>http://m.tkk7.com/buaacaptain/archive/2006/05/30/48860.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://m.tkk7.com/buaacaptain/comments/commentRss/48860.html</wfw:commentRss><trackback:ping>http://m.tkk7.com/buaacaptain/services/trackbacks/48860.html</trackback:ping><description><![CDATA[ <br />聽聽聽聽 杞嚜matrix:http://www.matrix.org.cn/resource/article/0/20.html<br />聽聽聽聽聽 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