<%@ taglib prefix="s" uri="/struts-tags" %> <html> <head> <title>Hello World!</title> </head> <body> <h2><s:property value="message" /></h2> </body> </html>
actions
package tutorial; import com.opensymphony.xwork2.ActionSupport; public class HelloWorld extends ActionSupport { public static final String MESSAGE = "Struts is up and running ..."; public String execute() throws Exception { setMessage(MESSAGE); return SUCCESS; } private String message; public void setMessage(String message){ this.message = message; } public String getMessage() { return message; } }
xml mapping files
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" "http://struts.apache.org/dtds/struts-2.0.dtd"> <struts> <package name="tutorial" extends="struts-default"> <action name="HelloWorld" class="tutorial.HelloWorld"> <result>/HelloWorld.jsp</result> </action> <!-- Add your actions here --> </package> </struts>
鍩烘湰姒傚康
銆銆1.OOP涓敮涓鍏崇郴鐨勬槸瀵硅薄鐨勬帴鍙f槸浠涔堬紝灝卞儚璁$畻鏈虹殑閿鍞晢濂逛笉綆$數婧愬唴
閮ㄧ粨鏋勬槸鎬庢牱鐨勶紝浠栧彧鍏崇郴鑳藉惁緇欎綘鎻愪緵鐢靛氨琛屼簡錛屼篃灝辨槸鍙鐭ラ亾can or not
鑰屼笉鏄痟ow and why.鎵鏈夌殑紼嬪簭鏄敱涓瀹氱殑灞炴у拰琛屼負瀵硅薄緇勬垚鐨勶紝涓嶅悓鐨勫璞?/P>
鐨勮闂氳繃鍑芥暟璋冪敤鏉ュ畬鎴愶紝瀵硅薄闂存墍鏈夌殑浜ゆ祦閮芥槸閫氳繃鏂規硶璋冪敤錛岄氳繃瀵瑰皝瑁?/P>
瀵硅薄鏁版嵁錛屽緢澶ч檺搴︿笂鎻愰珮澶嶇敤鐜囥?nbsp;
銆銆2.OOP涓渶閲嶈鐨勬濇兂鏄被錛岀被鏄ā鏉挎槸钃濆浘錛屼粠綾諱腑鏋勯犱竴涓璞★紝鍗沖垱寤?/P>
浜嗚繖涓被鐨勪竴涓疄渚?instance)銆?nbsp;
銆銆3.灝佽:灝辨槸鎶婃暟鎹拰琛屼負緇撳悎璧峰湪涓涓寘涓?騫跺瀵硅薄浣跨敤鑰呴殣钘忔暟鎹殑瀹?/P>
鐜拌繃紼嬶紝涓涓璞′腑鐨勬暟鎹彨浠栫殑瀹炰緥瀛楁(instance field)銆?nbsp;
銆銆4.閫氳繃鎵╁睍涓涓被鏉ヨ幏寰椾竴涓柊綾誨彨緇ф壙(inheritance)錛岃屾墍鏈夌殑綾婚兘鏄?/P>
鐢監bject鏍硅秴綾繪墿灞曡屽緱錛屾牴瓚呯被涓嬫枃浼氬仛浠嬬粛銆?nbsp;
銆銆5.瀵硅薄鐨?涓富瑕佺壒鎬?nbsp;
銆銆behavior---璇存槑榪欎釜瀵硅薄鑳藉仛浠涔?
銆銆state---褰撳璞℃柦鍔犳柟娉曟椂瀵硅薄鐨勫弽鏄?
銆銆dentity---涓庡叾浠栫浉浼艱涓哄璞$殑鍖哄垎鏍囧織.
銆銆姣忎釜瀵硅薄鏈夊敮涓鐨刬ndentity 鑰岃繖3鑰呬箣闂寸浉浜掑獎鍝?
銆銆6.綾諱箣闂寸殑鍏崇郴:
銆銆use-a :渚濊禆鍏崇郴
銆銆has-a :鑱氬悎鍏崇郴
銆銆is-a :緇ф壙鍏崇郴--渚?A綾葷戶鎵夸簡B綾伙紝姝ゆ椂A綾諱笉浠呮湁浜咮綾葷殑鏂規硶錛岃繕鏈夊叾
鑷繁鐨勬柟娉?(涓у瓨鍦ㄤ簬鍏辨т腑)
銆銆7.鏋勯犲璞′嬌鐢ㄦ瀯閫犲櫒:鏋勯犲櫒鐨勬彁鍑猴紝鏋勯犲櫒鏄竴縐嶇壒孌婄殑鏂規硶錛屾瀯閫犲璞?/P>
騫跺鍏跺垵濮嬪寲銆?nbsp;
銆銆渚?Data綾葷殑鏋勯犲櫒鍙獶ata
銆銆new Data()---鏋勯犱竴涓柊瀵硅薄錛屼笖鍒濆鍖栧綋鍓嶆椂闂?
銆銆Data happyday=new Data()---鎶婁竴涓璞¤祴鍊肩粰涓涓彉閲廻appyday錛屼粠
鑰屼嬌璇ュ璞¤兘澶熷嬈′嬌鐢紝姝ゅ瑕佸0鏄庣殑浣垮彉閲忎笌瀵硅薄鍙橀噺浜岃?
鏄笉鍚岀殑.new榪斿洖鐨勫兼槸涓涓紩鐢ㄣ?nbsp;
銆銆鏋勯犲櫒鐗圭偣:鏋勯犲櫒鍙互鏈?涓紝涓涓垨澶氫釜鍙傛暟
銆銆鏋勯犲櫒鍜岀被鏈夌浉鍚岀殑鍚嶅瓧
銆銆涓涓被鍙互鏈夊涓瀯閫犲櫒
銆銆鏋勯犲櫒娌℃湁榪斿洖鍊?nbsp;
銆銆鏋勯犲櫒鎬繪槸鍜宯ew榪愮畻絎︿竴璧蜂嬌鐢?銆銆
銆銆8.閲嶈澆:褰撳涓柟娉曞叿鏈夌浉鍚岀殑鍚嶅瓧鑰屽惈鏈変笉鍚岀殑鍙傛暟鏃訛紝渚垮彂鐢熼噸杞?緙栬瘧
鍣ㄥ繀欏繪寫閫夊嚭璋冪敤鍝釜鏂規硶銆?nbsp;
銆銆9.鍖?package)Java鍏佽鎶婁竴涓垨澶氫釜綾繪敹闆嗗湪涓璧鋒垚涓轟竴緇勶紝縐頒綔鍖咃紝浠?/P>
渚夸簬緇勭粐浠誨姟錛屾爣鍑咼ava搴撳垎涓鴻澶氬寘.java.lang java.util java錛宯et絳夛紝
鍖呮槸鍒嗗眰嬈$殑鎵鏈夌殑java鍖呴兘鍦╦ava鍜宩avax鍖呭眰嬈″唴銆?nbsp;
銆銆10.緇ф壙鎬濇兂:鍏佽鍦ㄥ凡緇忓瓨鍦ㄧ殑綾葷殑鍩虹涓婃瀯寤烘柊鐨勭被錛屽綋浣犵戶鎵夸竴涓凡緇?/P>
瀛樺湪鐨勭被鏃訛紝閭d箞浣犲氨澶嶇敤浜嗚繖涓被鐨勬柟娉曞拰瀛楁錛屽悓鏃朵綘鍙互鍦ㄦ柊綾諱腑娣誨姞鏂?/P>
鐨勬柟娉曞拰瀛楁銆?nbsp;
銆銆11.鎵╁睍綾?鎵╁睍綾誨厖鍒嗕綋鐜頒簡is-a鐨勭戶鎵垮叧緋? 褰㈠紡涓?class (瀛愮被)
extends (鍩虹被)銆?nbsp;
銆銆12.澶氭?鍦╦ava涓紝瀵硅薄鍙橀噺鏄鎬佺殑.鑰宩ava涓笉鏀寔澶氶噸緇ф壙銆?nbsp;
銆銆13.鍔ㄦ佺粦瀹?璋冪敤瀵硅薄鏂規硶鐨勬満鍒躲?nbsp;
銆銆(1)緙栬瘧鍣ㄦ鏌ュ璞″0鏄庣殑綾誨瀷鍜屾柟娉曞悕銆?nbsp;
銆銆(2)緙栬瘧鍣ㄦ鏌ユ柟娉曡皟鐢ㄧ殑鍙傛暟綾誨瀷銆?nbsp;
銆銆(3)闈欐佺粦瀹?鑻ユ柟娉曠被鍨嬩負priavte static final 緙栬瘧鍣ㄤ細鍑嗙‘鐭ラ亾璇ヨ皟
鐢ㄥ摢涓柟娉曘?nbsp;
銆銆(4)褰撶▼搴忚繍琛屽茍涓斾嬌鐢ㄥ姩鎬佺粦瀹氭潵璋冪敤涓涓柟娉曟椂錛岄偅涔堣櫄鎷熸満蹇呴』璋冪敤x
鎵鎸囧悜鐨勫璞$殑瀹為檯綾誨瀷鐩稿尮閰嶇殑鏂規硶鐗堟湰銆?nbsp;
銆銆(5)鍔ㄦ佺粦瀹?鏄緢閲嶈鐨勭壒鎬э紝瀹冭兘浣跨▼搴忓彉寰楀彲鎵╁睍鑰屼笉闇瑕侀噸緙栬瘧宸插瓨
浠g爜銆?nbsp;
銆銆14.final綾?涓洪槻姝粬浜轟粠浣犵殑綾諱笂媧劇敓鏂扮被錛屾綾繪槸涓嶅彲鎵╁睍鐨勩?nbsp;
銆銆15.鍔ㄦ佽皟鐢ㄦ瘮闈欐佽皟鐢ㄨ姳璐圭殑鏃墮棿瑕侀暱銆?nbsp;
銆銆16.鎶借薄綾?瑙勫畾涓涓垨澶氫釜鎶借薄鏂規硶鐨勭被鏈韓蹇呴』瀹氫箟涓篴bstract銆?nbsp;
銆銆渚? public abstract string getDescripition
銆銆17.Java涓殑姣忎竴涓被閮芥槸浠嶰bject綾繪墿灞曡屾潵鐨勩?nbsp;
銆銆18.object綾諱腑鐨別qual鍜宼oString鏂規硶銆?nbsp;
銆銆equal鐢ㄤ簬嫻嬭瘯涓涓璞℃槸鍚﹀悓鍙︿竴涓璞$浉絳夈?nbsp;
銆銆toString榪斿洖涓涓唬琛ㄨ瀵硅薄鐨勫瓧絎︿覆錛屽嚑涔庢瘡涓涓被閮戒細閲嶈澆璇ユ柟娉曪紝浠?/P>
渚胯繑鍥炲綋鍓嶇姸鎬佺殑姝g‘琛ㄧず.
銆銆(toString 鏂規硶鏄竴涓緢閲嶈鐨勬柟娉?
銆銆19.閫氱敤緙栫▼:浠諱綍綾葷被鍨嬬殑鎵鏈夊奸兘鍙互鍚宱bject綾繪х殑鍙橀噺鏉ヤ唬鏇褲?nbsp;
銆銆20.鏁扮粍鍒楄〃:ArrayList鍔ㄦ佹暟緇勫垪琛紝鏄竴涓被搴擄紝瀹氫箟鍦╦ava.uitl鍖?/P>
涓紝鍙嚜鍔ㄨ皟鑺傛暟緇勭殑澶у皬銆?nbsp;
銆銆21.class綾?object綾諱腑鐨刧etclass鏂規硶榪斿洖ckass綾誨瀷鐨勪竴涓疄渚嬶紝紼嬪簭
鍚姩鏃跺寘鍚湪main鏂規硶鐨勭被浼氳鍔犺澆錛岃櫄鎷熸満瑕佸姞杞戒粬闇瑕佺殑鎵鏈夌被錛屾瘡涓涓姞
杞界殑綾婚兘瑕佸姞杞藉畠闇瑕佺殑綾匯?nbsp;
銆銆22.class綾諱負緙栧啓鍙姩鎬佹搷綰礿ava浠g爜鐨勭▼搴忔彁渚涗簡寮哄ぇ鐨勫姛鑳藉弽灝勶紝榪欓」
鍔熻兘涓篔avaBeans鐗瑰埆鏈夌敤錛屼嬌鐢ㄥ弽灝凧ava鑳芥敮鎸乂B紼嬪簭鍛樹範鎯嬌鐢ㄧ殑宸ュ叿銆?nbsp;
銆銆鑳藉鍒嗘瀽綾昏兘鍔涚殑紼嬪簭鍙弽灝勫櫒錛孞ava涓彁渚涙鍔熻兘鐨勫寘鍙?/P>
Java.lang.reflect鍙嶅皠鏈哄埗鍗佸垎寮哄ぇ.
銆銆1.鍦ㄨ繍琛屾椂鍒嗘瀽綾葷殑鑳藉姏銆?nbsp;
銆銆2.鍦ㄨ繍琛屾椂鎺㈠療綾葷殑瀵硅薄銆?nbsp;
銆銆3.瀹炵幇閫氱敤鏁扮粍鎿嶇旱浠g爜銆?nbsp;
銆銆4.鎻愪緵鏂規硶瀵硅薄銆?nbsp;
銆銆鑰屾鏈哄埗涓昏閽堝鏄伐鍏瘋呰屼笉鏄簲鐢ㄥ強紼嬪簭銆?nbsp;
銆銆鍙嶅皠鏈哄埗涓殑鏈閲嶈鐨勯儴鍒嗘槸鍏佽浣犳鏌ョ被鐨勭粨鏋?鐢ㄥ埌鐨凙PI鏈?
銆銆java.lang.reflect.Field 榪斿洖瀛楁.
銆銆java.reflect.Method 榪斿洖鏂規硶.
銆銆java.lang.reflect.Constructor 榪斿洖鍙傛暟.
銆銆鏂規硶鎸囬拡:java娌℃湁鏂規硶鎸囬拡錛屾妸涓涓柟娉曠殑鍦板潃浼犵粰鍙︿竴涓柟娉曪紝鍙互鍦ㄥ悗
闈㈣皟鐢ㄥ畠錛岃屾帴鍙f槸鏇村ソ鐨勮В鍐蟲柟妗堛?nbsp;
銆銆23.鎺ュ彛(Interface)璇存槑綾昏鍋氫粈涔堣屼笉鎸囧畾濡備綍鍘誨仛錛屼竴涓被鍙互瀹炵幇涓
涓垨澶氫釜interface銆?nbsp;
銆銆24.鎺ュ彛涓嶆槸涓涓被錛岃屾槸瀵圭鍚堟帴鍙h姹傜殑綾葷殑涓濂楄鑼冦?nbsp;
銆銆鑻ュ疄鐜頒竴涓帴鍙i渶瑕?涓楠?銆
銆銆1.澹版槑綾婚渶瑕佸疄鐜扮殑鎸囧畾鎺ュ彛銆?nbsp;
銆銆2.鎻愪緵鎺ュ彛涓殑鎵鏈夋柟娉曠殑瀹氫箟銆?nbsp;
銆銆澹版槑涓涓被瀹炵幇涓涓帴鍙i渶瑕佷嬌鐢╥mplements 鍏抽敭瀛?nbsp;
銆銆class actionB implements Comparable 鍏禷ctionb闇瑕佹彁渚汣ompareTo
鏂規硶錛屾帴鍙d笉鏄被錛屼笉鑳界敤new瀹炰緥鍖栦竴涓帴鍙?
銆銆25.涓涓被鍙湁涓涓秴綾伙紝浣嗕竴涓被鑳藉疄鐜板涓帴鍙c侸ava涓殑涓涓噸瑕佹帴鍙?/P>
錛欳loneable
銆銆26.鎺ュ彛鍜屽洖璋?緙栫▼涓涓父鐢ㄧ殑妯″紡鏄洖璋冩ā寮忥紝鍦ㄨ繖縐嶆ā寮忎腑浣犲彲浠ユ寚瀹?/P>
褰撲竴涓壒瀹氭椂闂村彂鐢熸椂鍥炶皟瀵硅薄涓婄殑鏂規硶銆?nbsp;
銆銆渚?ActionListener 鎺ュ彛鐩戝惉.
銆銆綾諱技鐨凙PI鏈?java.swing.JOptionPane
銆銆java.swing.Timer
銆銆java.awt.Tookit
銆銆27.瀵硅薄clone:clone鏂規硶鏄痮bject涓涓繚鎶ゆ柟娉曪紝榪欐剰鍛崇潃浣犵殑浠g爜涓嶈兘
綆鍗曠殑璋冪敤瀹冦?nbsp;
銆銆28.鍐呴儴綾?涓涓唴閮ㄧ被鐨勫畾涔夋槸瀹氫箟鍦ㄥ彟涓涓唴閮ㄧ殑綾匯?nbsp;
銆銆鍘熷洜鏄?
銆銆1.涓涓唴閮ㄧ被鐨勫璞¤兘澶熻闂垱寤哄畠鐨勫璞$殑瀹炵幇錛屽寘鎷鏈夋暟鎹?nbsp;
銆銆2.瀵逛簬鍚屼竴涓寘涓殑鍏朵粬綾繪潵璇達紝鍐呴儴綾昏兘澶熼殣钘忚搗鏉ャ?nbsp;
銆銆3.鍖垮悕鍐呴儴綾誨彲浠ュ緢鏂逛究鐨勫畾涔夊洖璋冦?nbsp;
銆銆4.浣跨敤鍐呴儴綾誨彲浠ラ潪甯告柟渚跨殑緙栧啓浜嬩歡椹卞姩紼嬪簭銆?nbsp;
銆銆29.浠g悊綾?proxy):
銆銆1.鎸囧畾鎺ュ彛瑕佹眰鎵鏈変唬鐮?nbsp;
銆銆2.object綾誨畾涔夌殑鎵鏈夌殑鏂規硶(toString equals)
銆銆30.鏁版嵁綾誨瀷:Java鏄己璋冪被鍨嬬殑璇█錛屾瘡涓彉閲忛兘蹇呴』鍏堢敵鏄庡畠閮界被鍨嬶紝
java涓誨叡鏈?涓熀鏈被鍨?4縐嶆槸鏁村瀷錛?縐嶆槸嫻偣鍨嬶紝涓縐嶆槸瀛楃鍨嬶紝琚敤浜?/P>
Unicode緙栫爜涓殑瀛楃錛屽竷灝斿瀷銆?/P>
鏂囩珷鏉ユ簮:http://yuguichong1984.blog.163.com/blog/static/119181320061122111333250
褰撳墠寮鍙?/SPAN>EJb3鐢ㄥ埌鐨勫紑鍙戝伐鍏峰拰鎻掍歡錛?/SPAN>
Eclipse 3.2
JBossIDE-1.5.1.GA-Bundle-win32
jboss-EJB-3.0_RC8-FD
JBoss鐨?/SPAN>jboss-EJB-3.0_Embeddable_ALPHA_8鐢ㄤ簬瀹瑰櫒澶栨祴璇?/SPAN>
JBossIDE-EJB3-Tools-1.0.2.GA.zip,
WTP,Dali, JSR220-ORM-M2,Myeclipse5
NetBean褰撶劧涓嶄互灝戜簡.