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JDK鏄暣涓狫ava鐨勬牳蹇?jī)锛屽寘鎷簡(jiǎn)Java榪愯鐜錛圝ava Runtime Envirnment錛夛紝涓鍫咼ava宸ュ叿鍜孞ava鍩虹鐨勭被搴?rt.jar)銆備笉璁轟粈涔圝ava搴旂敤鏈嶅姟鍣ㄥ疄璐ㄩ兘鏄唴緗簡(jiǎn)鏌愪釜鐗堟湰鐨凧DK銆傚洜姝ゆ帉鎻DK鏄濂絁ava鐨勭涓姝ャ傛渶涓繪祦鐨凧DK鏄疭un鍏徃鍙戝竷鐨凧DK錛岄櫎浜?jiǎn)Sun涔嬪錛岃繕鏈夊緢澶氬叕鍙稿拰緇勭粐閮藉紑鍙戜簡(jiǎn)鑷繁鐨凧DK錛屼緥濡侷BM鍏徃寮鍙戠殑JDK錛孊EA鍏徃鐨凧rocket錛岃繕鏈塆NU緇勭粐寮鍙戠殑JDK絳夌瓑銆傚叾涓璉BM鐨凧DK鍖呭惈鐨凧VM錛圝ava Virtual Machine錛夎繍琛屾晥鐜囪姣擲un JDK鍖呭惈鐨凧VM楂樺嚭璁稿銆傝屼笓闂ㄨ繍琛屽湪x86騫沖彴鐨凧rocket鍦ㄦ湇鍔$榪愯鏁堢巼涔熻姣擲un JDK濂藉緢澶氥備絾涓嶇鎬庝箞璇達(dá)紝鎴戜滑榪樻槸闇瑕佸厛鎶奡un JDK鎺屾彙濂姐?br />1銆?JDK鐨勪笅杞藉拰瀹夎
JDK鍙堝彨鍋欽2SE錛圝ava2 SDK Standard Edition錛夛紝鍙互浠嶴un鐨凧ava緗戠珯涓婁笅杞藉埌錛宧ttp://java.sun.com/j2se/downloads.html 錛孞DK褰撳墠鏈鏂扮殑鐗堟湰鏄疛2SDK1.4.2錛屽緩璁笅杞借鐗堟湰鐨凧DK錛屼笅杞介〉闈㈠湪榪欓噷錛歨ttp://java.sun.com/j2se/1.4.2/download.html銆備笅杞藉ソ鐨凧DK鏄竴涓彲鎵ц瀹夎紼嬪簭錛岄粯璁ゅ畨瑁呭畬姣曞悗浼?xì)鍦–:\Program Files\Java\鐩綍涓嬪畨瑁呬竴濂桱RE錛堜緵嫻忚鍣ㄦ潵浣跨敤錛夛紝鍦–:\j2sdk1.4.2涓嬪畨瑁呬竴濂桱DK錛堜篃鍖呮嫭涓濂桱RE錛夈傜劧鍚庢垜浠渶瑕佸湪鐜鍙橀噺PATH鐨勬渶鍓嶉潰澧炲姞java鐨勮礬寰凜:\j2sdk1.4.2\bin銆傝繖鏍稪DK灝卞畨瑁呭ソ浜?jiǎn)銆?br />
2銆?JDK鐨勫懡浠ゅ伐鍏?br />
JDK鐨勬渶閲嶈鍛戒護(hù)琛屽伐鍏鳳細(xì)
java錛?鍚姩JVM鎵цclass
javac錛?Java緙栬瘧鍣?br />jar錛?Java鎵撳寘宸ュ叿
javadoc錛?Java鏂囨。鐢熸垚鍣?br />榪欎簺鍛戒護(hù)琛屽繀欏昏闈炲父闈炲父鐔熸?zhèn)夊Q屽浜庢瘡涓弬鏁伴兘瑕佸緢綺鵑氭墠琛屻傚浜庤繖浜涘懡浠ょ殑瀛︿範(fàn)錛孞DK Documentation涓婃湁璇︾粏鐨勬枃妗c?
浜屻?JDK Documentation
Documentation鍦↗DK鐨勪笅杞介〉闈篃鏈変笅杞借繛鎺ワ紝寤鴻鍚屾椂涓嬭澆Documentation銆侱ocumentation鏄渶鏈閲嶈鐨勭紪紼嬫墜鍐岋紝娑電洊浜?jiǎn)鏁翠釜Java鎵鏈夋柟闈㈢殑鍐呭鐨勬弿榪般傚彲浠ヨ繖鏍瘋錛屽涔?fàn)Java緙栫▼錛屽ぇ閮ㄥ垎鏃墮棿閮芥槸鑺卞湪鐪嬭繖涓狣ocumentation涓婇潰鐨勩傛垜鏄殢韜惡甯︾殑錛屽啓Java浠g爜鐨勬椂鍊欙紝闅忔椂鏌ョ湅錛岄』鑷句笉紱繪墜銆?
涓夈?搴旂敤鏈嶅姟鍣?App Server)
App Server鏄繍琛孞ava浼佷笟緇勪歡鐨勫鉤鍙幫紝鏋勬垚浜?jiǎn)搴旂敤枋Y浠剁殑涓昏榪愯鐜銆傚綋鍓嶄富嫻佺殑App Server鏄疊EA鍏徃鐨刉eblogic Server鍜孖BM鍏徃鐨刉ebsphere浠ュ強(qiáng)鍏嶈垂鐨凧boss錛岄夋嫨鍏朵腑涓涓繘琛屽涔?fàn)灏卞彲浠ヤ簡(jiǎn)锛屼釜錆h鎺ㄨ崘Weblogic錛屽洜涓哄畠鐨勪綋緋葷粨鏋勬洿鍔犲共鍑錛屽紑鍙戝拰閮ㄧ講鏇村姞鏂逛究錛屾槸Java浼佷笟杞歡寮鍙戜漢鍛橀閫夌殑寮鍙戝鉤鍙般備笅闈㈢畝瑕佷粙緇嶅嚑縐嶅父鐢ㄧ殑App Server錛?
1銆?Tomcat
Tomcat涓ユ牸鎰忎箟涓婂茍涓嶆槸涓涓湡姝g殑App Server錛屽畠鍙槸涓涓彲浠ユ敮鎸佽繍琛孲erlvet/JSP鐨刉eb瀹瑰櫒錛屼笉榪嘥omcat涔熸墿灞曚簡(jiǎn)涓浜汚pp Server鐨勫姛鑳斤紝濡侸NDI錛屾暟鎹簱榪炴帴姹狅紝鐢ㄦ埛浜嬪姟澶勭悊絳夌瓑銆俆omcat琚潪甯稿箍娉涚殑搴旂敤鍦ㄤ腑灝忚妯$殑Java Web搴旂敤涓紝鍥犳鏈枃鍋氫竴鐐逛笅杞姐佸畨瑁呭拰閰嶇疆Tomcat鐨勪粙緇嶏細(xì)
Tomcat鏄疉pache緇勭粐涓婮akarta欏圭洰涓嬬殑涓涓瓙欏圭洰錛屽畠鐨勪富緗戠珯鏄細(xì)http://jakarta.apache.org/tomcat/ 錛孴omcat鏈鏂扮増鏈槸Tomcat4.1.27錛岃蔣浠朵笅杞界殑榪炴帴鏄細(xì)http://www.apache.org/dist/jakarta/tomcat-4/binaries/ 銆?
涓嬭澆Tomcat鏃㈠彲浠ョ洿鎺ヤ笅杞絲ip鍖咃紝涔熷彲浠ヤ笅杞絜xe瀹夎鍖咃紙涓漢寤鴻zip鏇村共鍑浜涳級(jí)錛屼笉綆″摢縐嶆儏鍐碉紝涓嬭澆瀹屾瘯瀹夎濂戒互鍚庯紙zip鐩存帴瑙e帇緙╁氨鍙互浜?jiǎn)锛?jí)銆傞渶瑕佽緗袱涓幆澧冨彉閲忥細(xì)
JAVA_HOME=C:\j2sdk1.4.2
CATALINA_HOME=D:\tomcat4 (浣犵殑Tomcat瀹夎鐩綍)
榪欐牱灝卞畨瑁呭ソ浜?jiǎn)锛屽惎鍔═omcat榪愯CATALINA_HOME\bin\startup.bat錛屽叧闂璗omcat榪愯shutdown.bat鑴氭湰銆俆omcat鍚姩浠ュ悗錛岄粯璁や嬌鐢?080绔彛錛屽洜姝ゅ彲浠ョ敤嫻忚鍣ㄨ闂甴ttp://localhost:8080鏉ユ祴璇昑omcat鏄惁姝e父鍚姩銆?
Tomcat鎻愪緵浜?jiǎn)涓や釜Web鐣岄潰鐨勭鐞嗗伐鍏鳳紝URL鍒嗗埆鏄細(xì)
http://localhost:8080/admin/index.jsp
http://localhost:8080/manager/html
鍦ㄥ惎鐢ㄨ繖涓や釜綆$悊宸ュ叿涔嬪墠錛屽厛闇瑕佹墜宸ラ厤緗竴涓嬬鐞嗗憳鐢ㄦ埛鍜屽彛浠ゃ傜敤涓涓枃鏈伐鍏鋒墦寮CATALINA_HOME\conf\tomcat-users.xml榪欎釜鏂囦歡錛屽姞鍏ュ涓嬪嚑琛岋細(xì)
<role rolename="manager"/>
<role rolename="admin"/>
<user username="robbin" password="12345678" roles="admin,manager,tomcat"/>
榪欐牱鐢ㄦ埛鈥渞obbin鈥濆氨鍏峰浜?jiǎn)瓒吘Uх鐞嗗憳鏉冮檺銆傞噸鏂板惎鍔═omcat浠ュ悗錛屼綘灝卞彲浠ヤ嬌鐢ㄨ鐢ㄦ埛鏉ョ櫥闄嗗涓婄殑涓や釜綆$悊宸ュ叿錛岄氳繃Web鏂瑰紡榪涜Tomcat鐨勯厤緗拰綆$悊浜?jiǎn)銆?
2銆?BEA Weblogic
Weblogic鍙互鍒癇EA鐨勭綉绔欎笂鍏嶈垂娉ㄥ唽涔嬪悗涓嬭澆鍒版渶鏂扮殑Weblogic8.1浼佷笟鐗堬紝License鍙互鍏嶈垂浣跨敤1騫存椂闂達(dá)紝鍏跺疄榪欏凡緇忓畬鍏ㄨ凍澶熶簡(jiǎn)銆俉eblogic鐨勪笅杞借繛鎺ワ細(xì)http://commerce.bea.com/index.jsp錛?../edocs.bea.com/ 銆?
3銆?IBM Webshpere
Websphere鍚屾牱鍙互涓嬭澆鍒板厤璐圭殑璇曠敤鐗堟湰錛屽埌IBM鐨刣eveloperWorks緗戠珯鍙互鐪嬪埌Websphere璇曠敤浜у搧鐨勪笅杞藉拰鐩稿叧鐨刉ebsphere鐨勮祫鏂欙紝developerWorks涓枃緗戠珯鐨勮繛鎺ユ槸錛歨ttp://www-900.ibm.com/developerWorks/cn/wsdd/ 錛學(xué)ebsphere鐨勪笅杞借繛鎺ワ細(xì)http://www7b.software.ibm.com/wsdd/...WASsupport.html 銆?
4銆?Jboss
Jboss鏄厤璐瑰紑婧愮殑App Server錛屽彲浠ュ厤璐圭殑浠嶫boss緗戠珯涓嬭澆錛歨ttp://www.jboss.org/index.html錛岀劧...n.com/idea.html
鍥涖?Java搴旂敤鐨勮繍琛岀幆澧?
Java鐨勫簲鐢ㄥ彲浠ョ畝鍗曞垎涓轟互涓嬪嚑涓柟闈細(xì)
1銆?Java鐨勬闈㈠簲鐢?
妗岄潰搴旂敤涓鑸粎浠呴渶瑕丣RE鐨勬敮鎸佸氨瓚沖浜?jiǎn)銆?
2銆?Java Web搴旂敤
Java鐨刉eb搴旂敤鑷沖皯闇瑕佸畨瑁匤DK鍜屼竴涓獁eb瀹瑰櫒錛堜緥濡俆omcat錛夛紝浠ュ強(qiáng)涓涓鐢ㄦ埛鏁版嵁搴擄紝W(xué)eb搴旂敤鑷沖皯鍒嗕負(fù)涓夊眰錛?
Browser灞傦細(xì)嫻忚鍣ㄦ樉紺虹敤鎴烽〉闈?
Web灞傦細(xì)榪愯Servlet/JSP
DB灞傦細(xì)鍚庣鏁版嵁搴擄紝鍚慗ava紼嬪簭鎻愪緵鏁版嵁璁塊棶鏈嶅姟
3銆?Java浼佷笟綰у簲鐢?
浼佷笟綰у簲鐢ㄦ瘮杈冨鏉傦紝鍙互鎵╁睍鍒皀灞傦紝鏈綆鍗曟儏鍐典細(xì)鍒嗕負(fù)4灞傦細(xì)
Browser灞傦細(xì)嫻忚鍣ㄦ樉紺虹敤鎴烽〉闈?
Client灞傦細(xì)Java瀹㈡埛绔浘褰㈢▼搴忥紙鎴栬呭祵鍏ュ紡璁懼鐨勭▼搴忥級(jí)鐩存帴鍜學(xué)eb灞傛垨鑰匛JB灞備氦浜?
Web灞傦細(xì)榪愯Servlet/JSP
EJB灞傦細(xì)榪愯EJB錛屽畬鎴愪笟鍔¢昏緫榪愮畻
DB灞傦細(xì)鍚庣鏁版嵁搴擄紝鍚慗ava紼嬪簭鎻愪緵鏁版嵁璁塊棶鏈嶅姟
4銆?Java宓屽叆寮忓簲鐢?
Java宓屽叆寮忓簲鐢ㄦ槸涓涓柟鍏存湭鑹劇殑棰嗗煙錛屼粠浜嬪祵鍏ュ紡寮鍙戯紝闇瑕佷粠Sun涓嬭澆J2ME寮鍙戝寘錛孞2ME鍖呭惈浜?jiǎn)宓屽叆寮忚畱证囦笓鐢ㄨ櫄鎷熸満KVM錛屽拰鏅氱殑JDK涓寘鍚殑JVM鏈夋墍涓嶅悓銆傚彟澶栬繕闇瑕佸埌鐗瑰畾鐨勫祵鍏ュ紡鍘傚晢閭i噷涓嬭澆妯℃嫙鍣ㄣ?
涔︾睄綃?br />
瀛︿範(fàn)涓闂ㄦ柊鐨勭煡璇嗭紝涓嶅彲鑳芥寚鏈涘彧鐪嬩竴鏈紝鎴栬呬袱鏈功灝辮兘澶熷畬鍏ㄦ帉鎻°傞渶瑕佹湁涓涓驚搴忔笎榪涚殑闃呰榪囩▼銆傛垜鎺ㄨ崘Oreilly鍑虹増鐨凧ava緋誨垪涔︾睄銆?br />
鍦ㄨ繖閲屾垜鍙兂琛ュ厖涓鐐圭湅娉曪紝寰堝浜哄涔?fàn)Java鏄粠銆奣hinking in Java銆嬭繖鏈功鍏ユ墜鐨勶紝浣嗘槸鎴戣涓鴻繖鏈功鏄笉閫傚悎鍒濆鑰呯殑銆傛垜璁や負(fù)姝g‘鐨勪嬌鐢ㄨ繖鏈功鐨勬柟娉曞簲璇ユ槸浣滀負(fù)杈呭姪鐨勮鐗┿傘奣hinking in Java銆嬪茍涓嶆槸鍦ㄥ畬鏁寸殑浠嬬粛Java鐨勬暣涓綋緋伙紝鑰屾槸涓縐嶈煩璺冨紡鐨勫啓浣滄柟娉曪紝鏄竴縐嶇被浼紅ips鐨勬柟娉曟潵瀵笿ava寰堝鐭ヨ瘑鐐硅繘琛屼簡(jiǎn)娣卞叆鐨勫垎鏋愬拰瑙i噴銆?br />
瀵逛簬鍒濆鑰呮潵璇達(dá)紝鏈濂芥槸鎵句竴鏈琂ava鍏ラ棬鐨勪功綾嶏紝浣嗘槸姣旇緝瀹屾暣鐨勫驚搴忕殑浠嬬粛Java鐨勮娉曪紝闈㈠悜瀵硅薄鐨勭壒鎬э紝鏍稿績(jī)綾誨簱絳夌瓑錛屽湪鐪嬭繖鏈功鐨勫悓鏃訛紝鍙互鍚屾鏉ョ湅銆奣hinking in Java銆嬶紝鏉ュ姞娣卞Java鐨勭悊瑙e拰鍘熺悊鐨勮繍鐢紝鍚屾椂鍙堝彲浠ュ畬鏁寸殑浜?jiǎn)瑙ava鐨勬暣涓綋緋匯?br />
瀵逛簬Java鐨勫叆闂ㄤ功綾嶏紝钄″闀涙帹鑽愮殑鏄疧reilly鐨勩奅xploring Java, 2nd Edition銆?鎴栬呫奐ava in a Nutshell,2nd Edition錛堥拡瀵笴++鑳屾櫙錛夈嬶紝鎴戝茍娌℃湁鐪嬭繃榪欎袱鏈功銆傚叾瀹炴垜瑙夊緱鐢?shù)瀛愬伐涓氬嚭鐗埥C劇殑銆奐ava 2緙栫▼璇﹁В銆嬫垨鑰呫奐ava 2浠庡叆闂ㄥ埌綺鵑氥嬪氨寰堜笉閿欍?br />
鍦ㄦ墍鏈夌殑Java涔︾睄褰撲腑錛屽叾瀹炴渶鏈鏈夌敤鐨勶紝騫朵笉鏄疧reilly鐨?Java Serials錛岀湡姝f渶鏈鏈夌敤澶勬槸JDK鐨凞ocumentation錛佸嚑涔庝綘鎯寵幏寰楃殑鎵鏈夌殑鐭ヨ瘑鍦―ocumentation閲岄潰鍏ㄩ儴閮芥湁錛屽叾涓渶涓昏鐨勯儴鍒嗗綋鐒舵槸Java鍩虹綾誨簱鐨凙PI鏂囨。錛屾槸鎸夌収package鏉ョ粍緇囩殑錛屽浜庢瘡涓涓猚lass閮芥湁璇︾粏鐨勮В閲婏紝瀹冪殑緇ф壙鍏崇郴錛屾槸鍚﹀疄鐜頒簡(jiǎn)鏌愪釜鎺ュ彛錛岄氬父鐢ㄥ湪鍝簺鍦哄悎錛岃繕鍙互鏌ュ埌瀹冩墍鏈夌殑public鐨勫睘鎬у拰鏂規(guī)硶錛屾瘡涓睘鎬х殑瑙i噴錛屾剰涔夛紝姣忎釜鏂規(guī)硶鐨勭敤閫旓紝璋冪敤鐨勫弬鏁幫紝鍙傛暟鐨勬剰涔夛紝榪斿洖鍊肩殑綾誨瀷錛屼互鍙?qiáng)鏂规硶鍙兘鎶涘嚭鐨勫紓甯附{夌瓑銆?br />
鍙互榪欐牱鏉ヨ錛屾墍鏈夊叧浜嶫ava緙栫▼鏂歸潰鐨勪功綾嶅叾瀹為兘涓嶈繃鏄湪鐢ㄦ瘮杈冮氫織鏄撴噦鐨勮璦錛屽拰鑹ソ鐨勭粍緇囨柟寮忔潵浠嬬粛Documentation閲岄潰鐨勬煇涓猵ackage閲岄潰鍖呭惈鐨勪竴浜涚被鐨勭敤娉曡屽凡銆傛墍浠ヤ竾鍙樹(shù)笉紱誨叾瀹楋紝濡傛灉浣犳湁瓚沖鐨勮兘鍔涙潵鐩存帴閫氳繃Documentation鏉ュ涔?fàn)Java鐨勭被搴擄紝閭d箞鍩烘湰涓婂氨涓嶉渶瑕佺湅鍏朵粬鐨勪功綾嶄簡(jiǎn)銆傞櫎姝や箣澶栵紝Documentation涔熸槸緙栫▼蹇呭鐨勬墜鍐岋紝鎴戠殑妗岄潰涓婃湁涓変釜Documentation鐨勫揩鎹鋒柟寮忥紝鍒嗗埆鏄疛2SDK1.4.1鐨凞ocumentation錛孲ervlet2.3鐨凞ocumentation鍜孞2SDKEE1.3.1鐨凞ocumentation銆傛湁浜?jiǎn)杩欎釜涓変釜Documentation錛屼粈涔堝叾浠栫殑涔︾睄閮戒笉闇瑕佷簡(jiǎn)銆?br />
瀵逛簬Java Web 緙栫▼鏉ヨ錛屾渶鏍稿績(jī)鐨勬槸瑕佺啛鎮(zhèn)夊拰鎺屾彙HTTP鍗忚錛岃繖涓氨鍜孞ava鏃犲叧浜?jiǎn)锛屽湪鐔熸?zhèn)塇TTP鍗忚涔嬪悗錛屽氨闇瑕佺啛鎮(zhèn)塉ava鐨勫疄鐜癏TTP鍗忚鐨勭被搴擄紝涔熷氨鏄疭ervlet API錛屾墍浠ユ渶閲嶈鐨勪笢瑗垮氨鏄疭ervlet API銆傚綋鐒跺浜庡垵瀛﹁呰岃█錛岀洿鎺ラ氳繃Servlet API鏉ュ涔?fàn)Web緙栫▼鏈夊緢澶х殑闅懼害錛屾垜鎺ㄨ崘Oreilly鐨勩奐ava Server Pages 銆嬭繖鏈功鏉ュ涔?fàn)Web 緙栫▼銆?br />
EJB鐨勪功綾嶅綋涓紝銆奅nterprise JavaBeans, 2nd Edition銆嬫槸涓鏈緢涓嶉敊鐨勪功錛?EJB鐨勫涔?fàn)闂ㄦ鏄瘮杈冮珮锛屽叆闂ㄥ緢闅惧Q屼絾鏄繖鏈功瀹屽叏闄嶄綆浜?jiǎn)瀛︿範(fàn)鐨勯殤趾﹀Q岀壒鍒噸瑕佺殑涓鐐規(guī)槸錛孍JB鐨勫涔?fàn)闇瑕佺粨鍚堜竴縐岮pp Server鐨勫叿浣撳疄鐜幫紝鎵浠ュ湪瀛︿範(fàn)EJB鐨勫悓鏃訛紝蹇呴』鍚屾鐨勫涔?fàn)鏌惪U岮pp Server錛岃岃繖鏈功鐩稿叧鐨勫嚭浜?jiǎn)涓夋湰涔﹀Q屽垎鍒槸Weblogic6.1錛學(xué)ebsphere4.0鍜孞Boss3.0涓婇潰閮ㄧ講涔︿腑渚嬪瓙鐨勫疄鍋氥傜湡鏄棦鏈夌悊璁猴紝鍙堟湁瀹炶返銆傚湪瀛︿範(fàn)EJB鐨勫悓鏃訛紝鍙互杈圭湅杈瑰仛錛孍JB鐨勫涔?fàn)浼?xì)鍙樺緱寰堣交鏉俱?br />
浣嗘槸榪欐湰涔︿篃鏈変竴涓棶棰橈紝灝辨槸鐗堟湰姣旇緝鏃э紝涓昏璁睧JB1.1瑙勮寖鍜岄儴鍒咵JB2.0鐨勮鑼冦傝孍d Roman鍐欑殑銆奙astering EJB 2.0銆嬭繖鏈功瀹屽叏鏄牴鎹瓻JB2.0瑙勮寖鍐欑殑錛屾繁鍏ユ祬鍑猴紝瑕嗙洊浜?jiǎn)EJB緙栫▼鐨勫悇涓柟闈紝騫朵笖榪樻湁寰堝緙栫▼緇忛獙tips錛屼篃鏄涔?fàn)EJB闈炲父鎺ㄨ崘鐨勪功綾嶄箣涓銆?br />
濡傛灉鏄粨鍚圵eblogic鏉ュ涔?fàn)J2EE鐨勮瘽錛屻奐2EE搴旂敤涓嶣EA Weblogic Server銆嬬粷瀵規(guī)槸棣栭夎鐗╋紝铏界劧鏄榪扮殑Weblogic6.0錛屼粛鐒跺煎緱璐拱錛岃繖鏈功鏄疊EA瀹樻柟鎺ㄨ崘鐨勬暀鏉愶紝浣滆呬篃鏄疊EA鍏徃鐨勫伐紼嬪笀銆傜幇鍦ㄤ腑鏂囩増宸茬粡闅忓鍙浜?jiǎn)銆傝繖鏈功緇撳悎Weblogic浠嬬粛浜?jiǎn)J2EE鍚勪釜鏂歸潰鐨勬妧鏈湪Weblogic騫沖彴涓婄殑寮鍙戝拰閮ㄧ講錛屽疄璺墊寚瀵兼剰涔夐潪甯稿己銆?br />
鍦ㄦ帉鎻′簡(jiǎn)Java騫沖彴鍩虹鐭ヨ瘑鍜孞2EE鏂歸潰鐨勭煡璇嗕互鍚庯紝鏇磋繘涓姝ョ殑鏄涔?fàn)濡備綍杩愮敤OO鐨勬柟娉曡繘琛岃蔣浠剁殑璁捐錛岄偅涔堝氨涓瀹氳瀛︿範(fàn)鈥滆璁℃ā寮忊濄係un鍏徃鍑虹増浜?jiǎn)涓鏈奐2EE鏍稿績(jī)妯″紡銆嬶紝鏄瘡涓紑鍙慗ava浼佷笟騫沖彴杞歡鐨勬灦鏋勫笀蹇呭鐨勪功綾嶃傝繖鏈功鍏ㄩ潰鐨勪粙緇嶄簡(jiǎn)J2EE浣撶郴鏋舵瀯鐨勫悇縐嶈璁℃ā寮忥紝鏄璁″笀鐨勫繀璇諱功綾嶃?br />
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姣忎釜浜虹殑瀛︿範(fàn)鏂規(guī)硶鏄笉鍚岀殑錛屼竴涓漢鐨勬柟娉曚笉瑙佸緱閫傚悎鍙︿竴涓漢錛屾垜鍙兘鏄皥鑷繁鐨勫涔?fàn)鏂规硶銆傚洜涓烘垜瀛︿範(fàn)Java鏄畬鍏ㄨ嚜瀛︾殑錛屼粠鏉ユ病鏈夐棶榪囧埆浜猴紝鎵浠ュ涔?fàn)鐨剺q囩▼鍩烘湰涓婂畬鍏ㄦ槸鑷繁鎽哥儲(chǔ)鍑烘潵鐨勩傛垜涔熶笉鐭ラ亾榪欑鏂規(guī)硶鏄惁鏄瘮杈冨ソ鐨勬柟娉曪紝鍙兘緇欏ぇ瀹舵彁渚涗竴鐐瑰弬鑰冧簡(jiǎn)銆?br />
瀛︿範(fàn)Java鐨勭涓姝ユ槸瀹夎濂絁DK錛屽啓涓涓狧ello World錛? 鍏跺疄JDK鐨勫涔?fàn)娌℃湁閭d箞绠鍗曪紝鍏充簬JDK鏈変袱涓棶棰樻槸寰堝鏄撲竴鐩村洶鎵癑ava紼嬪簭鍛樼殑鍦版柟錛氫竴涓槸CLASSPATH鐨勯棶棰橈紝鍏跺疄浠庡師鐞嗕笂鏉ヨ錛屾槸瑕佹悶娓呮JRE鐨凜lassLoader鏄浣曞姞杞紺lass鐨勶紱鍙︿竴涓棶棰樻槸package鍜宨mport闂錛屽浣曟潵瀵繪壘綾葷殑璺緞闂銆傛妸榪欎袱涓棶棰樻懜绱㈡竻妤氫簡(jiǎn)錛屽氨鎵櫎浜?jiǎn)瀛︿範(fàn)Java鍜屼嬌鐢↗DK鐨勬渶澶ч殰紕嶃傛帹鑽愮湅涓涓嬬帇媯殑銆奐ava娣卞害鍘嗛櫓銆嬶紝瀵硅繖涓や釜闂榪涜浜?jiǎn)娣卞叆鐨勬帰璁ㄣ?br />
絎簩姝ユ槸瀛︿範(fàn)Java鐨勮娉曘侸ava鐨勮娉曟槸綾籆++鐨勶紝鍩烘湰涓婁富嫻佺殑緙栫▼璇█涓嶆槸綾籆錛屽氨鏄被C++鐨勶紝娌℃湁浠涔堟柊涓滆タ錛屾墍浠ヨ娉曠殑瀛︿範(fàn)錛屽ぇ姒傚氨鏄崐澶╃殑鏃墮棿瓚沖浜?jiǎn)銆傚敮涓闇瑕佹敞鎰忕殑鏄湁鍑犱釜涓嶅鏄撴悶娓呮鐨勫叧閿瓧鐨勭敤娉曪紝public錛宲rotected錛宲rivate錛宻tatic錛屼粈涔堟椂鍊欑敤錛屼負(fù)浠涔堣鐢紝鎬庝箞鐢紝榪欏彲鑳介渶瑕佹湁浜烘潵鎸囩偣涓涓嬶紝鎴戝綋鍒濇槸瀹屽叏鑷繁鐞㈢(鍑烘潵鐨勶紝鑺變簡(jiǎn)寰堜箙鐨勬椂闂淬備笉榪囧悗鏉ユ垜鐪嬪埌銆奣hinking in Java銆嬭繖鏈功涓婇潰鏄浜?jiǎn)杩欎簺姒傚侩姎勩?br />
絎笁姝ユ槸瀛︿範(fàn)Java鐨勯潰鍚戝璞$殑緙栫▼璇█鐨勭壒鎬х殑鍦版柟銆傛瘮濡傜戶鎵匡紝鏋勯犲櫒錛屾娊璞$被錛屾帴鍙o紝鏂規(guī)硶鐨勫鎬侊紝閲嶈澆錛岃鐩栵紝Java鐨勫紓甯稿鐞嗘満鍒躲傚浜庝竴涓病鏈夐潰鍚戝璞¤璦鑳屾櫙鐨勪漢鏉ヨ錛屾垜瑙夊緱榪欎釜榪囩▼闇瑕佽姳寰堥暱寰堥暱鏃墮棿錛屽洜涓哄涔?fàn)Java涔嬪墠娌℃湁C++鐨勭粡楠岋紝鍙湁C鐨勭粡楠岋紝鎴戞槸澶ф鑺變簡(jiǎn)涓涓湀宸﹀彸鍚э紝鎵嶅交搴曟妸榪欎簺姒傚康閮芥悶娓呮錛屾妸涔︿笂闈㈢殑渚嬪瓙鍙嶅鐨勬彛鎽╋紝淇敼錛屽皾璇曪紝鎶婇偅鍑犵珷鍐呭鍙嶅鐨勭湅榪囨潵錛岀湅榪囧幓錛岀湅浜?jiǎn)涓嶄?閬嶏紝鎵嶅交搴曢鎮(zhèn)熶簡(jiǎn)銆備笉榪囨垜鎯沖鏋滄湁C++緇忛獙鐨勮瘽錛屽簲璇ヤ竴涓ゅぉ鏃墮棿瓚沖浜?jiǎn)銆傞偅涔堝湪榪欎釜榪囩▼涓紝鍙互澶氱湅鐪嬨奣hinking in Java銆嬭繖鏈功錛屽闈㈠悜瀵硅薄鐨勮瑙i潪甯擱忓交銆傚彲鎯滅殑鏄垜瀛︿範(fàn)鐨勬椂鍊欙紝騫舵病鏈夌湅鍒拌繖鏈功錛屾墍浠ヨ嚜宸辮姳浜?jiǎn)澶ч噺鐨勬棄櫁村Q岄氳繃鑷繁鐨勫皾璇曞拰鎻f懇鏉ュ浼?xì)鐨勩?br />
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榪欏洓涓寘鐨勫涔?fàn)锛屾瘡涓寘鐨勫涔?fàn)閮藉彲浠ュ啓鎴愪竴鏈帤鍘氱殑鏁欐潗錛岃孫reilly涔熺‘瀹炴槸榪欐牱鍋氱殑銆傛垜瑙夊緱濡傛灉鏃墮棿姣旇緝绱э紝鏄笉鍙兘閫氳繃璇誨洓鏈功鏉ュ涔?fàn)銆傛垜瑙夊緱姣旇緝濂界殑瀛︿範(fàn)鏂規(guī)硶鏄繖鏍風(fēng)殑錛?br />
棣栧厛瑕侀氳鏁翠釜package鐨勬鏋訛紝浜?jiǎn)瑙f暣涓猵ackage鐨刢lass錛宨nterface錛宔xception鐨勬瀯鎴愶紝鏈濂芥槸鑳藉鎵懼埌浠嬬粛鏁翠釜鍖呮鏋剁殑鏂囩珷銆傝繖浜涗笓闂ㄤ粙緇嶅寘鐨勪功綾嶇殑鍓嶅嚑绔犲簲璇ュ氨鏄繖浜涙諱綋鐨勬鏋跺唴瀹逛粙緇嶃?
瀵瑰寘鏁翠綋妗嗘灦鐨勬妸鎻″茍涓嶆槸瑕佺啛鎮(zhèn)夋瘡涓被鐨勭敤娉曪紝璁頒綇瀹冩湁鍝簺灞炴э紝鏂規(guī)硶銆傛兂璁頒篃璁頒笉浣忕殑銆傝屾槸瑕佺煡閬撳寘鏈夊摢浜涙柟闈㈢殑綾繪瀯鎴愮殑錛岃繖浜涚被鐨勭敤閫旀槸浠涔堬紝鏈鏍稿績(jī)鐨勫嚑涓被鍒嗗埆鏄畬鎴愪粈涔堝姛鑳界殑銆傛垜鍦ㄧ粰浜哄煿璁殑鏃跺欎竴鑸槸涓嬈¤璁蹭竴涓寘錛屾墍浠ヤ笉鍙兘璇︾粏鐨勪粙緇嶆瘡涓被鐨勭敤娉曪紝浣嗘槸鎴戝弽澶嶅己璋冿紝鎴戠粰浣犱滑璁茶繖浜涘寘鐨勪笉鏄鍛婅瘔浣犱滑綾葷殑鏂規(guī)硶鏄庝箞璋冪敤鐨勶紝涔熶笉瑕佹眰浣犱滑璁頒綇綾葷殑鏂規(guī)硶璋冪敤錛岃屾槸瑕佷綘浠簡(jiǎn)瑙o紝Java緇欐垜浠彁渚涗簡(jiǎn)鍝簺綾伙紝姣忎釜綾繪槸鐢ㄥ湪浠涔堝満鍚堬紝褰撴垜閬囧埌闂鐨勬椂鍊欙紝鎴戠煡閬撳摢涓被錛屾垨鑰呭摢鍑犱釜綾葷殑緇勫悎鍙互瑙e喅鎴戠殑闂錛孴hatall錛侊紝褰撴垜浠叿浣撳啓紼嬪簭鐨勬椂鍊欙紝鍙浣犵煡閬撹鐢ㄥ摢涓被鏉ュ畬鎴愪綘鐨勫伐浣滃氨瓚沖浜?jiǎn)銆傜紪鐮佺殑鏃跺欙紝鍏蜂綋鐨勬柟娉曡皟鐢紝鏄竟鍐欎唬鐮侊紝杈規(guī)煡Documentation錛屾墍鏈夌殑涓滆タ閮藉湪Documentation閲岄潰錛屼笉瑕佹眰浣犱竴瀹氳浣忥紝瀹為檯浣犱篃璁頒笉浣?000澶氫釜綾葷殑鎬誨叡灝嗚繎10涓囦釜鏂規(guī)硶璋冪敤銆傛墍浠ュ姣忎釜鍖呯殑鎬諱綋妗嗘灦鐨勬妸鎻″氨鍙樺緱鏋佷負(fù)閲嶈銆?
絎簲姝ワ紝閫氳繃涓婇潰鐨勫涔?fàn)锛屽鏋滃鐨勬瘮杈冩墡瀹炵殑璇濆Q屽氨鎵撳ソ浜?jiǎn)Java鐨勫熀紜浜?jiǎn)锛屽墿涓嬭鍋氱殑宸ヤ綔鏄壂娓匘ocumentation閲岄潰闄や簡(jiǎn)涓婇潰4涓寘涔嬪鐨勫叾浠栦竴浜涙瘮杈冩湁鐢ㄥ鐨勭被銆傜浉淇¤繘灞曞埌榪欎竴姝ワ紝Java鐨勮嚜瀛﹁兘鍔涘凡緇忚鍩瑰吇鍑烘潵浜?jiǎn)锛屽彲浠ュ堫C簡(jiǎn)鐩存帴瀛︿範(fàn)Documentation鐨勬按騫充簡(jiǎn)銆傞櫎浜?jiǎn)瑕佸仛GUI緙栫▼涔嬪錛孞DK閲岄潰鍏朵粬浼?xì)鏈夌敤澶勭殑鍖呮槸杩欎簺锛?xì)
java.text.*;
java.net.*;
javax.naming.*;
榪欎簺鍖呴噷闈㈢湡姝g敤鐨勬瘮杈冨鐨勭被鍏跺疄寰堝皯錛屽彧鏈夊嚑涓紝鎵浠ヤ笉闇瑕佽姳寰堝鏃墮棿銆?
絎叚姝ワ紝Java Web 緙栫▼
Web緙栫▼鐨勬牳蹇?jī)鏄疕TTP鍗忚錛孒TTP鍗忚鍜孞ava鏃犲叧錛屽鏋滀笉鐔熸?zhèn)塇TTP鍗忚鐨勮瘽錛岃櫧鐒朵篃鍙互瀛﹀ソServlet/JSP緙栫▼錛屼絾鏄揪涓嶅埌涓句竴鍙嶄笁錛屼竴閫氱櫨閫氱殑澧冪晫銆傛墍浠TTP鍗忚鐨勫涔?fàn)鏄繀澶囩殑銆傚鏋滅啛鎮(zhèn)変簡(jiǎn)HTTP鍗忚鐨勮瘽錛屽張鏈変簡(jiǎn)Java緙栫▼鐨勮壇濂界殑鍩虹錛屽涔?fàn)Servlet/JSP綆鐩存槗濡傚弽鎺岋紝鎴戝涔?fàn)Servlet/JSP灝辯敤浜?jiǎn)涓嶅堫C竴鍛ㄧ殑鏃墮棿錛岀劧鍚庡氨寮濮嬬敤JSP鏉ュ仛欏圭洰浜?jiǎn)銆?
鍦⊿ervlet/JSP鐨勫涔?fàn)涓Q岄噸澶翠粛鐒舵槸Servlet Documentation銆係ervlet API鏈甯哥敤鐨勭被寰堝皯錛岃姳姣旇緝?yōu)畱鐨勬棄櫁礊鍙互鎺屾彙浜?jiǎn)銆傛妸榪欎簺綾婚兘鐪嬩竴閬嶏紝澶氬啓鍑犱釜渚嬪瓙璇曡瘯銆係ervlet/JSP緙栫▼鏈川灝辨槸鍦ㄥ弽澶嶈皟鐢ㄨ繖浜涚被鏉ラ氳繃HTTP鍗忚鍦╓eb Server鍜孊rower涔嬮棿浜よ皥銆傚彟澶栧JSP錛岃繕闇瑕佺啛鎮(zhèn)夊嚑涓父鐢↗SP鐨勬爣璁幫紝鍏蜂綋鐨勫啓娉曡涓嶄綇鐨勮瘽錛屼復(fù)鏃舵煡灝辨槸浜?jiǎn)銆?
姝ゅJava Web緙栫▼瀛︿範(fàn)鐨勯噸鐐硅鏀懼湪Web Application鐨勮璁℃ā寮忎笂錛屽浣曡繘琛屼笟鍔¢昏緫鐨勫垎鏋愶紝騫朵笖榪涜鍚堢悊鐨勮璁★紝鎸夌収MVC璁捐妯″紡鐨勮姹傦紝榪愮敤Servlet鍜孞SP鍒嗗埆瀹屾垚涓嶅悓鐨勯昏緫灞傦紝鎺屾彙濡備綍鍦⊿ervlet鍜孞SP涔嬮棿榪涜嫻佺▼鐨勬帶鍒跺拰鏁版嵁鐨勫叡浜紝浠ュ強(qiáng)Web Application搴旇濡備綍閰嶇疆鍜岄儴緗層?
絎竷姝ワ紝J2EE緙栫▼
浠ヤ笂鐨勫涔?fàn)杩嚱E嬪鏋滄槸姣旇緝欏哄埄鐨勮瘽錛岃繘琛屽埌榪欎竴姝ワ紝闅懼害鍙堥櫋鐒舵彁楂樸傚洜涓轟笂闈㈢殑鐭ヨ瘑鍐呭閮芥槸鍙秹鍙?qiáng)涓涓柟闈紝鑰屽儚EJB錛孞MS錛孞TA絳夋牳蹇?jī)鐨凧2EE瑙勮寖寰寰鏄嚑縐岼ava鎶鏈殑緇煎悎榪愮敤鐨勭粨鏅訛紝鎵浠ユ帉鎻¤搗鏉ラ毦搴︽瘮杈冨ぇ銆?br />
棣栧厛涓瀹氳瀛︿範(fàn)濂絁NDI錛孞NDI鏄疉pp Server瀹氫綅鏈嶅姟鍣ㄨ祫婧愶紙EJB緇勪歡錛孌atasouce錛孞MS錛夋煡鎵炬柟娉曪紝濡傛灉瀵笿NDI涓嶇啛鎮(zhèn)夌殑璇濓紝EJB錛孞MS榪欎簺涓滆タ鍑犱箮瀛︿笉涓嬪幓銆侸NDI鍏跺疄灝辨槸javax.naming.*榪欎釜鍖咃紝榪愮敤璧鋒潵寰堢畝鍗曘傞毦鐐瑰湪浜庢湇鍔″櫒璧勬簮鏂囦歡鐨勯厤緗傚浜庢湇鍔″櫒璧勬簮鏂囦歡鐨勯厤緗紝灝遍渶瑕佺湅鐪嬩笓闂ㄧ殑鏂囨。瑙勮寖浜?jiǎn)锛屾瘮濡倃eb.xml鐨勫啓娉曪紝ejb-jar.xml鐨勫啓娉曠瓑絳夈傞拡瀵規(guī)瘡縐嶄笉鍚岀殑App Server錛岃繕鏈夎嚜宸辯殑鏈嶅姟璧勬簮閰嶇疆鏂囦歡錛屼篃鏄渶瑕佺啛鎮(zhèn)夌殑銆?br />
鐒跺悗鍙互瀛︿範(fàn)JTA錛屼富瑕佹槸瑕佺悊瑙TA瀵逛簬浜嬪姟鐨勬帶鍒剁殑鏂規(guī)硶錛屼互鍙?qiáng)璇ュ湪浠涔堝満鍚堜嬌鐢↗TA銆傝繖閲屽彲浠ョ畝鍗曠殑涓句釜渚嬪瓙錛屾垜浠煡閬撲竴鑸儏鍐靛彲浠ュ浜庝竴涓暟鎹簱榪炴帴榪涜浜嬪姟鎺у埗(conn.setAutoCommit(false),....,conn.commit())錛屽仛涓轟竴涓師瀛愭搷浣滐紝浣嗘槸鍋囪鎴戠殑涓氬姟闇姹傛槸瑕佹妸瀵逛袱涓笉鍚屾暟鎹簱鐨勬搷浣滃仛涓轟竴涓師瀛愭搷浣滐紝浣犺兘鍋氱殑鍒板悧錛熻繖鏃跺欏彧鑳界敤JTA浜?jiǎn)銆傚亣璁炬搷浣滆繃紼嬫槸鍏堝線A鏁版嵁搴撴彃涓鏉¤褰曪紝鐒跺悗鍒犻櫎B鏁版嵁搴撳彟涓涓褰曪紝鎴戜滑鑷繁鍐欎唬鐮佹槸鎺у埗涓嶄簡(jiǎn)鎶婃暣涓搷浣滃仛涓轟竴涓師瀛愭搷浣滅殑銆傜敤JTA鐨勮瘽錛岀敱App Server鏉ュ畬鎴愭帶鍒躲?br />
鍦ㄥ涔?fàn)EJB涔嬪墠瑕佸涔?fàn)瀵硅薄搴忓垪鍖栧拰RMI錛孯MI鏄疎JB鐨勫熀紜銆傛帴鐫瀛︿範(fàn)JMS鍜孍JB錛屽浜嶦JB鏉ヨ錛屾渶鍏抽敭鏄鐞嗚ВEJB鏄浣曢氳繃RMI鏉ュ疄鐜板榪滅瀵硅薄鐨勮皟鐢ㄧ殑錛屼互鍙?qiáng)鍦ㄤ粈涔堟儏鍐典笅瑕佺敤鍒癊JB銆?br />
鍦ㄥ涔?fàn)瀹孍JB錛孞MS榪欎簺涓滆タ涔嬪悗錛屼綘鍙兘浼?xì)鎰忚瘑鍒拌鎬ヤ笉鍙緟瀛︿範(fàn)涓や釜棰嗗煙鐨勭煡璇嗭紝涓涓槸UML錛屽彟涓涓槸Design Pattern銆侸ava浼佷笟杞歡鐨勮璁¢潪甯擱噸瑙嗘鏋?Framework)鐨勮璁★紝涓涓ソ鐨勮蔣浠舵鏋舵槸杞歡寮鍙戞垚鍔熺殑蹇呰鏉′歡銆傚湪榪欎釜鏃跺欙紝搴旇寮濮嬫妸瀛︿範(fàn)鐨勯噸鐐規(guī)斁鍦ㄨ璁℃ā寮忓拰妗嗘灦鐨勫涔?fàn)涓婂Q岄氳繃瀛︿範(fàn)鍜屽疄闄呯殑緙栫▼緇忛獙鏉ユ帉鎻JB鐨勮璁℃ā寮忓拰J2EE鐨勬牳蹇?jī)妯″紡銆?br />
J2EE瑙勮寖閲岄潰錛岄櫎浜?jiǎn)EJB錛孞MS錛孞TA錛孲ervlet/JSP錛孞DBC涔嬪榪樻湁寰堝寰堝鐨勪紒涓氭妧鏈紝榪欓噷涓嶄竴涓榪涜浠嬬粛浜?jiǎn)銆?br />
鍙﹀榪樻湁涓涓渶鏂伴鍩焀eb Services銆俉eb Services涔熷畬鍏ㄦ病鏈変換浣曟柊涓滆タ錛屽畠鍍忔槸涓縐嶉粡鍚堝墏錛屽彲浠ユ妸涓嶅悓鐨勬湇鍔$粺涓璧鋒潵鎻愪緵涓涓粺涓鐨勮皟鐢ㄦ帴鍙o紝浣滀負(fù)浣跨敤鑰呮潵璇達(dá)紝鎴戝彧瑕佽幏寰楁湇鍔℃彁渚涜呯粰鎴戠殑WSDL錛堝鏈嶅姟鐨勬弿榪幫級(jí)錛屽氨澶熶簡(jiǎn)錛屾垜瀹屽叏涓嶇煡閬撴湇鍔″櫒鎻愪緵鑰呮彁渚涚殑鏈嶅姟絀剁珶鏄疎JB緇勪歡錛岃繕鏄?Net緇勪歡錛岃繕鏄粈涔圕ORBA緇勪歡錛岃繕鏄叾浠栫殑浠涔堝疄鐜幫紝鎴戜篃涓嶉渶瑕佺煡閬撱?br />
Web Services鏈浼熷ぇ鐨勫湴鏂瑰氨鍦ㄤ簬閫氳繃緇熶竴鐨勬湇鍔℃彁渚涙柟寮忓拰璋冪敤鏂瑰紡錛屽疄鐜頒簡(jiǎn)鏁翠釜Internet鏈嶅姟鐨勫叡浜紝鏄竴涓潪甯鎬護(hù)浜烘縺鍔ㄧ殑鎶鏈鍩熴俉eb Services濂藉儚鐩墠榪樻病鏈変粈涔堝緢濂界殑涔︾睄錛屼絾鏄彲浠ラ氳繃鍦ㄧ綉緇滀笂闈㈡煡璧勬枡鐨勬柟寮忔潵瀛︿範(fàn)銆?br />
鏂規(guī)硶綃?br />
Java浣滀負(fù)涓闂ㄧ紪紼嬭璦錛屾渶濂界殑瀛︿範(fàn)鏂規(guī)硶灝辨槸鍐欎唬鐮併傚綋浣犲涔?fàn)涓涓被浠ュ悗錛屼綘灝卞彲浠ヨ嚜宸卞啓涓畝鍗曠殑渚嬪瓙紼嬪簭鏉ヨ繍琛屼竴涓嬶紝鐪嬬湅鏈変粈涔堢粨鏋滐紝鐒跺悗鍐嶅璋冪敤鍑犱釜綾葷殑鏂規(guī)硶錛岀湅鐪嬭繍琛岀粨鏋滐紝榪欐牱闈炲父鐩磋鐨勬妸綾葷粰瀛︿細(xì)浜?jiǎn)锛岃屼笖璁板繂闈炲父娣卞埢銆?br />
鐒跺悗涓嶅簲璇ユ弧瓚蟲(chóng)妸浠g爜璋冮氾紝浣犲簲璇ユ兂鎯崇湅濡傛灉鎴戜笉榪欐牱鍐欙紝鎹釜鏂瑰紡錛屽啀璇曡瘯琛屼笉琛屻傝寰楀摢涓珮?shù)壶櫙礃q囧涔?fàn)缂柦E嬪氨鏄釜鐮村潖鐨勮繃紼嬶紝鎶婁功涓婄殑渚嬪瓙錛岃嚜宸卞涔?fàn)Documentation緙栧啓鐨勪緥瀛愬湪榪愯閫氳繃浠ュ悗錛屼笉鏂殑灝濊瘯鐫鐢ㄤ笉鍚岀殑鏂規(guī)硶瀹炵幇錛屼笉鏂殑灝濊瘯鐮村潖浠g爜鐨勭粨鏋勶紝鐪嬬湅瀹冧細(xì)鏈変粈涔堢粨鏋溿傞氳繃榪欐牱鐨勬柟寮忥紝浣犱細(xì)寰堝交搴曠殑寰堢簿閫氱殑鎺屾彙Java銆?br />
涓句釜渚嬪瓙錛屾垜浠兘緙栬繃Hello World
public class HelloWorld {
public static void main(String[] args) {
System.out.println("Hello World");
}
}
寰堝鍒濆鑰呬笉鏄緢鐞嗚В涓轟粈涔坢ain鏂規(guī)硶涓瀹氳榪欐牱鏉ュ畾涔塸ublic static void main(String[] args)錛岃兘涓嶈兘涓嶈繖鏍峰啓錛熷寘鎷垜鍒氬涔?fàn)Java鐨勬椂鍊欎篃鏈夎繖鏍風(fēng)殑鐤戦棶銆傛兂鐭ラ亾絳旀鍚楋紵寰堢畝鍗曪紝浣犳妸main鏀逛釜鍚嶅瓧榪愯涓涓嬶紝鐪嬬湅鎶ヤ粈涔堥敊璇紝鐒跺悗鏍規(guī)嵁鍑洪敊淇℃伅榪涜鍒嗘瀽錛涙妸main鐨刾ublic鍙栨帀錛屽湪璇曡瘯鐪嬶紝鎶ヤ粈涔堥敊璇紱static鍘繪帀榪樿兘涓嶈兘榪愯錛涗笉鐭ラ亾main鏂規(guī)硶鏄惁涓瀹氳浼犱竴涓猄tring[]鏁扮粍鐨勶紝鎶奡tring[]鏀規(guī)帀錛屾敼鎴恑nt[]錛屾垨鑰匰tring璇曡瘯鐪嬶紱涓嶇煡閬撴槸鍚﹀繀欏誨啓args鍙傛暟鍚嶇О鐨勶紝涔熷彲浠ユ妸args鏀規(guī)垚鍒殑鍚嶅瓧錛岀湅鐪嬭繍琛岀粨鏋滃浣曘?
鎴戝綋鍒濆涔?fàn)Java鐨勬椂鍊欏氨鏄繖鏍峰仛鐨勶紝鎶奌ello World紼嬪簭鍙嶅鏀逛簡(jiǎn)涓冨叓嬈★紝涓嶆柇榪愯錛屽垎鏋愯繍琛岀粨鏋滐紝鏈鍚庡氨褰誨簳鏄庣櫧涓轟粈涔堜簡(jiǎn)main鏂規(guī)硶鏄繖鏍峰畾涔夌殑浜?jiǎn)銆?
姝ゅ錛屾垜瀵逛簬staic錛宲ublic錛宲rivate錛孍xception錛宼ry{ }catch {}finally{}絳夌瓑絳夌瓑涓寮濮嬮兘涓嶆槸寰堟噦錛岄兘鏄妸鍙傝冧功涓婇潰鐨勪緥瀛愯繍琛屾垚鍔燂紝鐒跺悗灝卞紑濮嬬牬鍧忓畠錛屼笉鏂殑鏍規(guī)嵁鑷繁蹇?jī)閲岄潰鐨勭枒闂潵閲嶆柊鏀瑰啓绋嬪簭锛岀湅鐪嬭兘涓嶈兘杩愯锛寴q愯鍑烘潵鏄釜浠涔堟牱瀛愶紝鏄惁鍙互寰楀埌棰勬湡鐨勭粨鏋溿傝繖鏍瘋櫧鐒舵瘮杈冭垂鏃墮棿錛屼笉榪囦竴涓緥瀛愮▼搴忚繖鏍峰弽澶嶇牬鍧忓嚑嬈′箣鍚庛傛垜灝卞榪欎釜鐩稿叧鐨勭煡璇嗗交搴曞閫氫簡(jiǎn)銆傛湁鏃跺欑敋鑷蟲(chóng)晠鎰忓啓涓浜涢敊璇殑浠g爜鏉ヨ繍琛岋紝鐪嬬湅鑳藉惁寰楀埌棰勬湡鐨勮繍琛岄敊璇傝繖鏍峰浜庣紪紼嬬殑鎺屾彙鏄強(qiáng)鍏舵繁鍒葷殑銆?
鍏朵腑鐗瑰埆鍊煎緱涓鎻愮殑鏄疛DK鏈変竴涓潪甯告鐨勮皟璇曞姛鑳斤紝-verbose
java 鈥搗erbose
javac 鈥搗erbose 浠ュ強(qiáng)鍏跺畠寰堝JDK宸ュ叿閮芥湁榪欎釜閫夐」
-verbose
鍙互鏄劇ず鍦ㄥ懡浠ゆ墽琛岀殑榪囩▼涓紝JVM閮戒緷嬈″姞杞藉摢閲孋lass錛岄氳繃榪欎簺瀹濊吹鐨勮皟璇曚俊鎭紝鍙互甯姪鎴戜滑鍒嗘瀽鍑篔VM鍦ㄦ墽琛岀殑榪囩▼涓兘騫蹭簡(jiǎn)浜涗粈涔堛?
鍙﹀錛岃嚜宸卞湪瀛︿範(fàn)榪囩▼涓紝鍐欑殑寰堝鐨勮繖縐嶇牬鍧忎緥紼嬶紝搴旇鏈夋剰璇嗙殑鍒嗛棬鍒被鐨勪繚瀛樹(shù)笅鏉ワ紝鍦ㄥ伐浣滀腑縐瘡鐨勫吀鍨嬩緥紼嬩篃搴旇瀹氭湡鏁寸悊錛屾棩縐湀绱紝鑷繁灝辨湁浜?jiǎn)涓涓唬鐮佸簱浜?jiǎn)銆傞亣鍒扮被浼肩殑闂錛屽埌浠g爜搴撻噷闈?Copy & Paste 錛孲earch & Replace錛屽氨濂戒簡(jiǎn)錛屾瀬澶ф彁楂樹(shù)簡(jiǎn)寮鍙戦熷害銆傛渶鐞嗘兂鐨勬儏鍐墊槸鎶婁竴浜涢氱敤鐨勪緥紼嬭嚜宸卞啀鎶借薄涓灞傦紝褰㈡垚涓涓氱敤鐨勭被搴擄紝灝佽濂姐傞偅涔堝彲澶嶇敤鎬у氨鏇村己浜?jiǎn)銆?
鎵浠ユ垜瑙夊緱鍏跺疄涓嶆槸鐗瑰埆闇瑕佷緥紼嬬殑錛岃嚜宸卞啓鐨勭牬鍧忎緥紼嬪氨鏄渶濂界殑渚嬪瓙錛屽鏋滀綘瀹炲湪瀵硅嚜宸卞啓鐨勪唬鐮佷笉鏀懼績(jī)鐨勮瘽錛屾垜寮虹儓鎺ㄨ崘浣犵湅鐪婮DK鍩虹綾誨簱鐨凧ava婧愪唬鐮併傚湪JDK瀹夎鐩綍涓嬮潰浼?xì)鏈変竴涓猻rc.zip錛岃В寮鏉ュ氨鍙互瀹屾暣鐨勭湅鍒版暣涓狫DK鍩虹綾誨簱錛屼篃灝辨槸rt.jar鐨凧ava婧愪唬鐮侊紝浣犲彲浠ュ弬鑰冧竴涓婼un鏄庝箞鍐橨ava紼嬪簭鐨勶紝瑙勮寖鏄粈涔堟牱瀛愮殑銆傛垜鑷繁鍦ㄥ涔?fàn)Java鐨勭被搴撶殑鏃跺欙紝褰撴湁浜涘湴鏂圭悊瑙g殑涓嶆槸寰堟竻妤氱殑鏃跺欙紝鎴栬呮兂鏇村姞娓呮櫚鐨勭悊瑙h繍浣滅殑緇嗚妭鐨勬椂鍊欙紝寰寰浼?xì)鎵撳紑鐩稿簲鐨勭被鐨勬簮浠g爜錛岄氳繃鐪嬫簮浠g爜錛屾墍鏈夌殑闂閮戒細(xì)涓鎵岀┖銆?img src ="http://www.tkk7.com/ChenGB/aggbug/148760.html" width = "1" height = "1" />
鏂囩珷鏉ユ簮:http://www.tkk7.com/ChenGB/archive/2007/09/27/148760.html
IT瀛︾ぞ鏄竴涓嚜鍙戠殑闈炵泩鍒╁涔?fàn)銆佺爺鍙戞х粍緇囷紝 鏃ㄥ湪甯姪紺懼憳鎻愰珮寮鍙戞按騫籌紝鍏嬫湇鍚勭鍥伴毦錛屽湪榪欓噷紺懼憳鍙互鐩鎬簰璁ㄨ涓撲笟鐭ヨ瘑錛岃幏寰楃枒闅鵑棶棰樼殑瑙g瓟錛岃繕鍙互閫氳繃妯℃嫙欏圭洰浣撻獙杞歡寮鍙戠殑嫻佺▼鍜屾垚灝辨劅銆?/span>
涓銆佸紺劇殑鎬ц川
榪欐槸涓涓嚜鍙戠殑闈炵泩鍒╁涔?fàn)銆佺爺鍙戞х粍緇囥?
浜屻佸紺劇殑鐩爣
閫氳繃鍏ㄤ綋鐨勫姫鍔涳紝閫愭褰㈡垚浠ュ涔?fàn)銆佺鐮斾負(fù)涓諱綋錛岀粨鍚堜漢鎵嶅煿璁佽冩牳鍜屾帹鑽愮殑緇煎悎鎬у鉤鍙般?/span>
涓夈佺洰鍓嶇殑緇勭粐褰㈠紡
1. QQ緹ゃ傜兢鍙鳳細(xì)45515219
2. 鏍″唴緗戙傛垜浠粍寤轟簡(jiǎn)涓涓兢http://group.xiaonei.com/GetTribe.do?id=230116432
3. blogjava鐨剅ss璁㈤槄
鍥涖佸紺劇殑鑱岃兘
1. 瑙g瓟瀛︿範(fàn)寮鍙戣繃紼嬩腑鐨勭枒鎯?br />
2. 鎻愪緵鏈変環(huán)鍊肩殑瀹炶返欏圭洰錛屽崗鍔╁洟闃熻繘琛岄」鐩殑寮鍙?br />
3. 杈呭鍥㈤槦鍙傚姞鍚勭被澶ц禌
4. 鏀墮泦鏁寸悊瀛︿範(fàn)璧勬枡錛屼笌澶у鍒嗕韓
5. 鏀墮泦鏁寸悊灝變笟璧勬枡錛屼緵澶у鍙傝?/span>
浜斻佸姞鍏ュ紺劇殑鐩婂
1. 瀛︿範(fàn)鐭ヨ瘑錛屽揩閫熸彁鍗囪嚜宸憋紝鑾峰緱紿佸嚭鐨勫疄璺佃兘鍔?br />
2. 瀛︿互鑷寸敤錛岃兘鐢ㄨ嚜宸辯幇闃舵鐨勬妧鏈仛涓浜涙湁浠峰肩殑寮鍙?br />
3. 浣撻獙鐪熷疄鐨勮蔣浠跺紑鍙戞祦紼嬶紝鑾峰緱瀹為檯欏圭洰緇忛獙
鍏佸紺劇殑鐗硅壊
1. 欏圭洰鎷夊姩瀛︿範(fàn)
閫氳繃涓涓釜鏈変環(huán)鍊肩殑欏圭洰錛屽皢鎶鏈繍鐢ㄤ簬瀹為檯寮鍙戜腑錛屾彁鍗囧涔?fàn)鐨勬垚灏辨劅銆?br />
2. 涓撲漢鎸囧
綆$悊鍛樻瘡浜鴻礋璐d袱銆佷笁涓洟闃燂紝瀵瑰叾榪涜涓撻棬鐨勮窡韙寚瀵箋?/span>
涓冦佺ぞ鍛樼殑瑕佹眰
1. 鏈夌埍蹇?jī)锛尶U瀬甯姪浠栦漢銆傚鏋滃湪綰匡紝鍒漢鎻愬嚭涓涓嚜宸辮兘澶熻В絳旂殑闂錛岃涓誨姩浜堜互瑙g瓟錛涘浜庡埆浜虹殑閿欒錛岃涓誨姩緇欎簣鏇存銆?br />
2. 濂藉涓婅繘錛岃笍瀹烇紝鏈夋亽蹇?jī)锛岃鐪熷弬涓帣骞鐩紑鍙戯紝鍏嬫湇鍚勭鍥伴毦錛屼繚璐ㄤ繚閲忕殑瀹屾垚瀛︿範(fàn)浠誨姟銆侀」鐩?br />
3. 寤鴻鎷ユ湁鑷繁鐨勬牎鍐呯綉鐢ㄦ埛鍚嶏紝鑷繁鐨刡log錛宐log寤鴻鐢╞logjava鐨?blogjava鍗氬鐨勭綉鍧www.tkk7.com)銆?/span>
鍏佸紺劇鐞嗗姙娉?/strong>
絎竴嬈′細(xì)鍛橀殢鏃墮殢鍦拌嚜鐢卞叆閫瀛︾ぞ錛屼互鍚庡叆紺鵑渶璇存槑涓婃閫紺懼強(qiáng)鏈鍏ョぞ鐨勫師鍥狅紝閫氳繃瀹℃牳鏂瑰彲榪旂ぞ錛屽紺炬湀搴﹁冩牳錛屾湭閫氳繃鑰呴厡鎯呴檷綰э紝鏈夎繚鍙嶇邯寰嬭呴厡鎯呴檷綰э紝琚己鍒墮紺捐呴潪鐗規(guī)畩鍘熷洜錛屼竴寰嬩笉鍑嗗紺撅紝鎵鏈夌ぞ鍛樹(shù)笉鏀跺彇浠諱綍璐圭敤銆傚紺句弗鏍肩鐞嗭紝淇濊瘉紺懼憳璐ㄩ噺錛屼笉瑕佹眰鎶鏈紝浣嗚姹傛佸害绔錛屼綋鐜癐T瀛︾ぞ椋庨噰錛屾椂鏃跺澶勪互瀛︾ぞ浜鴻嚜灞呰嚜寰嬨?/span>