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2.綆榪癕VC 妯″紡鍙?qiáng)瀵瑰叾鐨勭悊瑙?

3. 鎺ュ彛鍙惁緇ф壙鎺ュ彛?鎶借薄綾繪槸鍚﹀彲瀹炵幇(implements)鎺ュ彛?鎶借薄綾繪槸鍚﹀彲緇ф壙瀹炰綋綾?concrete class)?
    鎺ュ彛鍙互緇ф壙鎺ュ彛銆?br />     鎶借薄綾誨彲浠ュ疄鐜?implements)鎺ュ彛.
    鎶借薄綾誨彲浠ョ戶鎵垮叿浣撶被(concrete class),浣嗗墠鎻愭槸瀹炰綋蹇呴』鏈夋槑紜殑鏋勯犲嚱鏁?

4.Java 鏈夋病鏈塯oto?
   goto 鏄?java 鐨勪繚鐣欏瓧錛屼絾鏄病鏈変嬌鐢?

5.鏁扮粍鏈夋病鏈塴ength()榪欎釜鏂規(guī)硶?String 鏈夋病鏈塴ength()榪欎釜鏂規(guī)硶?
    鏁扮粍鏈塴ength灞炴?娌℃湁length()鏂規(guī)硶銆?br />     String 鏈塴ength()鏂規(guī)硶錛屾病鏈塴ength灞炴?

6.Overload 鍜孫verride 鐨勫尯鍒? Overloaded鐨勬柟娉曟槸鍚﹀彲浠ユ敼鍙樿繑鍥炲肩殑綾誨瀷?
    鏂規(guī)硶鐨勯噸鍐檕verride鍜岄噸杞給verload 鏄痡ava 澶氭佹х殑涓嶅悓琛ㄧ幇銆?br />     Override:瑕嗙洊,鏄埗綾諱笌瀛愮被涔嬮棿澶氭佹х殑涓縐嶈〃鐜幫紝濡傛灉瀛愮被涓畾涔夌殑鏌愭柟娉曚笌鐖剁被鏈夌浉鍚岀殑鍚嶇О鍜屽弬鏁幫紝鎴戜滑璇磋鏂規(guī)硶琚噸鍐?br />    (overriding).瀛愮被鐨勫璞′嬌鐢ㄨ繖涓柟娉曟椂錛屽皢璋冪敤瀛愮被涓殑瀹氫箟錛屽瀹冭岃█錛岀埗綾諱腑鐨勫畾涔夊鍚岃"灞忚斀"浜嗐?br />     Overload:閲嶈澆,鏂規(guī)硶鐨勯噸杞?鏄竴涓被涓殑澶氭佹х殑涓縐嶈〃鐜?鍦ㄤ竴涓被涓畾涔変簡澶氫釜鍚屽悕鐨勬柟娉曪紝瀹冧滑鏈変笉鍚岀殑鍙傛暟涓暟鎴栨湁涓嶅悓
    鍙傛暟綾誨瀷錛屽垯杞︿綅鏂規(guī)硶鐨勯噸杞?overloading)
     overloaded鏂規(guī)硶鍙互鏀瑰彉榪斿洖鍊肩殑綾誨瀷

7. ArrayList 銆丩inkedList鍜孷ector 鐨勫尯鍒? HashMap鍜孒ashtable 鐨勫尯鍒?
     ArrayList鍜孷ector閮芥槸浣跨敤鏁扮粍鏂瑰紡瀛樺偍鏁版嵁錛屽畠浠兘鍏佽鐩存帴鎸夊簭鍙風(fēng)儲寮曞厓绱狅紝浣嗘槸鎻掑叆鏁版嵁瑕佹秹鍙?qiáng)鏁熬l勫厓绱犵Щ鍔ㄧ瓑鍐呭瓨鎿嶄綔.鎵浠ヨ鍙栨暟鎹揩鑰屾彃鍏ユ暟鎹參.
    涓.鍚屾鎬э細(xì)Vector鏄嚎紼嬪畨鍏ㄧ殑錛屼篃灝辨槸璇存槸鍚屾鐨勶紝鑰孉rrayList 鏄嚎紼嬩笉瀹夊叏鐨勶紝涓嶆槸鍚屾鐨勩?br />     浜?鏁版嵁澧為暱錛氬綋闇瑕佸闀挎椂錛孷ector榛樿澧為暱浣嶅師鏉ョ殑涓鍊嶏紝鑰孉rrayList鍗存槸鍘熸潵鐨勪竴鍗娿?br />     LinkedList 浣跨敤鍙屽悜閾捐〃瀹炵幇瀛樺偍錛屾寜搴忓彿绱㈠紩鏁版嵁闇瑕佽繘琛屽墠鍚戝悗鍚庡悜閬嶅巻錛屼絾鏄彃鍏ユ暟鎹殑鏃跺彧闇瑕佽褰曟湰欏圭殑鍓嶅悗欏瑰嵆鍙紝
鎵鏈夋彃鍏ラ熷害杈冨揩.

    閮藉睘浜嶮ap鎺ュ彛鐨勭被錛屽疄鐜頒簡灝嗗敮涓閿槧灝勫埌鐗瑰畾鐨勫間笂.
     1.鍘嗗彶鍘熷洜錛欻ashMap鏄熀浜庨檲鏃х殑Dictionary綾伙紝HashMap鏄疛ava 1.2寮曡繘鐨凪ap鎺ュ彛鐨勪竴涓疄鐜般?br />      2.鍚屾鎬э細(xì)Hashtable鏄嚎紼嬪畨鍏ㄧ殑錛屼篃灝辨槸璇存槸鍚屾鐨勶紝鑰孒ashMap鏄嚎紼嬩笉瀹夊叏鐨勶紝涓嶆槸鍚屾鐨勩?br />      3.鍙湁HashMap 鍙互璁╀綘灝嗙┖鍊間綔涓轟竴涓〃鐨勬潯鐩殑key鎴栨槸value,瀹冨厑璁鎬竴涓猲ull閿拰澶氫釜null鍊?HashMap 綾繪病鏈夊垎綾繪垨鑰呮槸鎺掑簭..
        Hashtable 綾葷被浼間簬HashMap,浣嗘槸涓嶅厑璁竛ull閿拰null鍊箋?br />      4.HashMap鎶奌ashtable鐨刢ontains鏂規(guī)硶鍘繪帀浜嗭紝鏀規(guī)垚containvalue鍜宑ontainKey,鍥犱負(fù)contains鏂規(guī)硶璁╀漢寮曡搗璇В.

8.鏋勯犲櫒Constructor鏄惁鍙互琚玱verride?
鏋勯犲櫒constructor涓嶈兘琚戶鎵?鍥犳涓嶈兘閲嶅啓overriding,浣嗗彲浠ヨ閲嶈澆overloading

9.鏄惁鍙互緇ф壙String綾?br /> String綾繪槸final 綾繪晠涓嶅彲浠ョ戶鎵?br />
10.褰撲竴涓嚎紼嬭繘鍏ヤ竴涓璞＄殑涓涓猻ynchronized鏂規(guī)硶鍚庯紝鍏跺畠綰跨▼鍙惁榪涘叆姝ゅ璞＄殑鍏跺畠鏂規(guī)硶?
涓嶈兘錛屼竴涓璞＄殑涓涓猻ynchronized 鏂規(guī)硶鍙兘鏈変竴涓嚎紼嬭闂傝屽叾瀹冪殑鐢ㄦ埛蹇呴』絳夊緟錛岀煡閬撹鐢ㄦ埛瀹屾垚鎿嶄綔銆?br />
11.try{} 閲屾湁涓涓猺eturn璇彞錛岄偅涔堢揣璺熷湪榪欎釜try鍚庣殑finally{}閲岀殑code 浼?xì)涓嶄細(xì)琚墽琛屽Q屼粈涔堟椂鍊欒鎵ц錛屽湪return鍓嶈繕鏄悗闈?br />  浼?xì)鎵ц锛屽湪return鍓嶆墽琛屻?br />
12.鏈鏈夋晥鐨勬柟娉曠畻鍑?涔樹互8絳変簬鍑?
   2<<3
 鏍規(guī)嵁浜岃繘鍒剁畻錛岀涓浣?0010鍚戝乏縐?浣嶆濂芥槸10000錛屽搴斾簩榪涘埗鏄?6.榪欓噷鐨?鏄寚縐葷殑浣嶆暟.

13.鏈変袱涓璞″肩浉鍚?x.equals(y)==true),浣嗗嵈鍙湁涓嶅悓鐨刪ash code,榪欏彞璇濆涓嶅?
     涓嶅錛屾湁鐩稿悓鐨刪ash code.鍥犱負(fù)hashcode鐢ㄧ殑鏄悓涓涓被鐨勬柟娉曪紝鍚屾椂鍏舵瘡涓涓睘鎬у兼槸鐩哥瓑鐨?

14.褰撲竴涓璞¤褰撲綔鍙傛暟浼犻掑埌涓涓柟娉曞悗錛屾鏂規(guī)硶鍙敼鍙樿繖涓璞＄殑灞炴э紝騫跺彲榪斿洖鍙樺寲鍚庣殑緇撴灉錛岄偅涔堣繖閲屾槸鍊間紶閫?br /> 榪樻槸寮曠敤浼犻?
   鏄間紶閫掞紝Java緙栫▼璇█鍙敱鍊間紶閫掑弬鏁般傚綋涓涓璞″疄渚嬩綔涓轟竴涓弬鏁拌浼犻掑埌鏂規(guī)硶涓椂錛屽弬鏁扮殑鍊煎氨鏄
璇ュ璞＄殑寮曠敤銆傚璞＄殑鍐呭鍙互鍦ㄨ璋冪敤鐨勬柟娉曚腑鏀瑰彉錛屼絾瀵硅薄鐨勫紩鐢ㄦ槸姘歌繙涓嶆槸鏀瑰彉鐨?

15.swtich 鏄惁鑳戒綔鐢ㄥ湪byte涓婏紝鏄惁鑳戒綔鐢ㄥ湪long涓婏紝鏄惁鑳戒綔鐢ㄥ湪String涓?
    switch(exp) exp 鏄竴涓暣鏁拌〃杈懼紡銆傚洜姝や紶閫掔粰switch鍜宑ase璇彞鐨勫弬鏁板簲璇ユ槸int,short ,char鎴栬呮槸byte
    涓嶅彲浠ユ槸鍏跺畠綾誨瀷,鍥犳long,string閮戒笉鑳戒綔鐢ㄤ簬swtich.

16.Collection鍜孋ollections鐨勫尯鍒?br /> Collections鏄痡ava.util涓嬬殑綾伙紝閽堝闆嗗悎綾葷殑涓涓府鍔╃被錛屽畠鎻愪緵涓浜涘垪鐨勯潤鎬佹柟娉曞疄鐜板鍚勭闆嗗悎鐨勬悳绱€佹帓搴忋佺嚎紼嬪畨鍏ㄥ寲絳夋搷浣溿?br /> Collection鏄痡ava.util涓嬬殑鎺ュ彛錛屽畠鏄悇縐嶉泦鍚堢粨鏋勭殑鐖舵帴鍙ｃ侺ist 鍜孲et 閮芥槸緇ф壙Collection 鎺ュ彛

17.Java 鏈夐偅浜涘熀鏈暟鎹被鍨嬶紝String鏄笉鏄熀鏈暟鎹被鍨嬶紝浠栦滑鏈夊拰鍖哄埆銆?br /> String涓嶆槸鍩烘湰鏁版嵁綾誨瀷錛屽畠鏄竴涓璞°傚熀鏈暟鎹被鍨嬩笉鏄璞?鏄竴涓唴瀛樺鹼紝鍏剁被鍨嬫槸int, long,byte,short,boolean,char

18.abstract 鐨刴ethod 鏄惁鍙悓鏃舵槸static錛屾槸鍚﹀彲鍚屾椂鏄痭ative,鏄惁鍙悓鏃舵槸synchronized?
     涓嶅彲浠ュ皢abstract涓巗tatic,native,synchronized浠諱綍鍏朵腑涔嬩竴鍚堢敤

19.abstract class鍜宨nterface 鏈変粈涔堝尯鍒?br />     abstract class 鍗沖彲浠ユ湁瀹炵幇鏂規(guī)硶錛屼篃鍙互鏈夋柟娉曠殑澹版槑銆?铏氳櫄瀹炲疄)
    綾誨彧鍙互緇ф壙涓涓紝涓嶅彲浠ョ戶鎵垮涓?br />     interface 鍙彁渚涙柟娉曠殑澹版槑錛屽茍涓旀墍鏈夋柟娉曢兘鏄娊璞＄殑銆?br />     鎺ュ彛涓殑鎵鏈夋柟娉曢兘鏄娊璞＄殑錛屾病鏈変竴涓湁紼嬪簭浣撱傛帴鍙ｅ煎彲浠ュ畾涔塻tatic final鎴愬憳鍙橀噺銆?br />
20.緇欐垜涓涓綘鏈甯歌鍒扮殑runtime exception
     1.絀烘寚閽堝紓甯?NullPointException銆?br />      2.鏁扮粍瓚婄晫寮傚父 
     3.IOException
      4.FileNotFoundException
      5.ClassNotFoundException

21.error鍜宔xception鏈変粈涔堝尯鍒?
      error琛ㄧず鎭㈠涓嶆槸涓嶅彲鑳戒絾寰堝洶闅劇殑鎯呭喌涓嬬殑涓縐嶄弗閲嶇殑闂銆傛瘮濡傝鍐呭瓨婧㈠嚭銆備笉鍙兘鎸囨湜紼嬪簭鑳藉鐞嗚繖鏍風(fēng)殑鎯呭喌
      exception:琛ㄧず涓縐嶈璁℃垨瀹炵幇闂銆備篃灝辨槸璇達(dá)紝瀹冭〃紺哄鏋滅▼搴忚繍琛屾甯革紝浠庝笉浼?xì)鍙戠敓鐨勬儏鍐点?br />
22.String 鏄渶鍩烘湰鐨勬暟鎹被鍨嬪悧?
   涓嶆槸錛孲tring鏄竴涓璞°?br />
23.char鍨嬪彉閲忎笉鑳藉畾涔変負(fù)涓涓腑鏂囷紵涓轟粈涔堬紵
    鍙互錛屽洜涓烘湁16浣嶏紝姝ｅソ涓涓腑鏂囨眽瀛?br />
24.緇ф壙鏃跺欑被鎵ц鐨勯『搴?br />     鍏堟槸鐖剁被錛屽悗鏄瓙綾?br />
25.&鍜?amp;&鐨勫尯鍒?br />      &鍜?amp;&閮藉彲浠ヤ綔涓洪昏緫榪愮畻“涓?#8221;浣跨敤錛屼絾鏄?amp;&鏄?#8220;鐭礬涓?#8221;錛岃繍綆楁椂鍏堝垽鏂鍙峰墠闈㈣〃杈懼紡鐨勫鹼紝濡傛灉鑳藉紜畾鏁翠釜琛ㄨ揪寮?br /> 鐨勫鹼紝鍒欎笉榪涜絎﹀彿鍚庨潰鐨勮〃杈懼紡鐨勮繍綆椼?br /> 鍙﹀錛?amp;涔熷彲浣滀負(fù)浣嶈繍綆楃浣跨敤

26.String s=new String("xyz"),鍒涘緩浜嗗嚑涓猄tring Object?
  涓や釜瀵硅薄錛屼竴涓槸"xyx" ,涓涓槸鎸囧悜"xyx"鐨勫璞″紩鐢?br />
27.Math.round(11.5)絳変簬澶氬皯錛孧ath.round(-11.5)絳変簬澶氬皯?
Math.round(11.5)==12
Math.round(-11.5)==-11


28.sleep()鍜寃ait()鏈変粈涔堝尯鍒?鎼炵嚎紼嬬殑鏈鐖?
sleep()鏂規(guī)硶鏄嬌綰跨▼鍋滄涓孌墊椂闂寸殑鏂規(guī)硶銆傚湪sleep 鏃墮棿闂撮殧鏈熸弧鍚庯紝綰跨▼涓嶄竴瀹氱珛鍗蟲仮澶嶆墽琛屻傝繖鏄洜涓哄湪閭ｄ釜鏃跺埢
錛屽叾瀹冪嚎紼嬪彲鑳芥鍦ㄨ繍琛岃屼笖娌℃湁琚皟搴︿負(fù)鏀懼純鎵ц銆?br /> 闄ら潪1.“閱掓潵”鐨勭嚎紼嬪叿鏈夋洿楂樼殑浼樺厛綰?br />         2.姝ｅ湪榪愯鐨勭嚎紼嬪洜涓哄叾浠栧師鍥犺岄樆濉炪?br /> wait()鏄嚎紼嬩氦浜掓椂錛屽鏋滅嚎紼嬪涓涓悓姝ュ璞鍙戝垵涓涓獁ait()璋冪敤,璇ョ嚎紼嬩細(xì)鏆傚仠鎵ц錛岃璋冪敤鐨勫璞¤繘鍏ョ瓑寰呯姸鎬侊紝
鐩村埌琚敜閱掓垨絳夊緟鏃墮棿鍒?/span>

29.鍚姩涓涓嚎紼嬫槸鐢╮un()榪樻槸start()?
     鍚姩涓涓嚎紼嬫槸璋冪敤start()鏂規(guī)硶,浣跨嚎紼嬫墍浠ｈ〃鐨勮櫄鎷熷鐞嗘満澶勪簬鍙繍琛岀姸鎬侊紝榪欐剰鍛崇潃瀹冨彲浠ョ敱JVM 璋冨害騫舵墽琛?
鐫騫舵墽琛屻傝繖騫朵笉鎰忓懗鐫綰跨▼灝變細(xì)绔嬪嵆榪愯銆俽un()鏂規(guī)硶鍙互浜х敓蹇呴』閫鍑虹殑鏍囧織鏉ュ仠姝竴涓嚎紼?

30.Set 閲岀殑鍏冪礌鏄笉鑳介噸澶嶇殑錛岄偅涔堢敤浠涔堟柟娉曟潵鍖哄垎閲嶅涓庡惁鍛紵鏄敤==榪樻槸equals()錛熷畠浠湁浣曞尯鍒?
   set 閲岀殑鍏冪礌鏄笉鑳介噸澶嶇殑錛岄偅涔堢敤iterator()鏂規(guī)硶鏉ュ尯鍒嗛噸澶嶄笌鍚︺?br />
31.澶氱嚎紼嬫湁鍑犵瀹炵幇鏂規(guī)硶錛岄兘鏄粈涔堬紵鍚屾鏈夊嚑縐嶅疄鐜版柟娉曪紝閮芥槸浠涔堬紵
     澶氱嚎紼嬫湁涓ょ瀹炵幇鏂規(guī)硶錛屽垎鍒槸緇ф壙Thread綾諱笌瀹炵幇Runnable 鎺ュ彛;
     浣跨敤Runnable鎺ュ彛鐨勫疄鐜扮被鏉ユ彁渚涚嚎紼嬩綋錛岃繖鏄垱寤虹嚎紼嬬殑鍩烘湰鏂瑰紡銆?br />      浣跨敤鐩存帴緇ф壙Thread綾伙紝閲嶅啓鍏朵腑鐨剅un()鏂規(guī)硶騫朵互涔嬩綔涓虹嚎紼嬩綋鐨勬柟寮忓垱寤虹嚎紼?
      涓ょ鏂瑰紡鍒涘緩綰跨▼鐨勫尯鍒細(xì)
      1.浣跨敤Runnable 鎺ュ彛鍒涘緩綰跨▼鏃跺彲浠ュ皢CPU,浠ｇ爜鍜屾暟鎹垎寮錛屽艦鎴愭竻鏅扮殑妯″瀷銆傜嚎紼嬩綋run()鏂規(guī)硶鎵鍦ㄧ殑綾昏繕鍙互浠庡叾瀹?br />        綾葷戶鎵夸竴浜涙湁鐢ㄧ殑灞炴ф垨鑰呮柟娉曪紝騫舵湁鍒╀簬淇濇寔紼嬪簭鐨勯鏍肩殑涓鑷存с?br />        2.浣跨敤鐩存帴緇ф壙thread綾誨垱寤虹殑綰跨▼鏃訛紝Thread瀛愮被鏃犳硶鍐嶄粠鍏朵粬綾葷戶鎵匡紝浣嗘槸榪欑鎯呭喌緙栧啓綆鍗曪紝run()鏂規(guī)硶鐨勫綋鍓嶅璞?br />        灝辨槸綰跨▼瀵硅薄錛屽彲鐩存帴鎿嶇旱銆?br />
     鍚屾鐨勫疄鐜版柟娉曟湁涓ょ鍒嗗埆鏄痵yschronized,wait涓巒otify.

32.String 涓嶴tringBuffer 鐨勫尯鍒?br />      String 鐨勯暱搴︽槸涓嶅彲鍙樼殑錛孲tringBuffer 鐨勯暱搴︽槸鍙彉鐨勩?br />
33.Jsp涓殑鍔ㄦ乮nclude 鍜岄潤鎬佺殑include 鐨勫尯鍒?br />      鍔ㄦ佺殑include鐢╦sp錛歩nclude鍔ㄤ綔瀹炵幇銆?br />      <jsp:include page ="included.jsp" flush="true" />瀹冩繪槸浼?xì)妫鏌ユ墍鍚殑鏂囦歡涓殑鍙樺寲錛岄傚悎鐢ㄤ簬鍖呭惈鍔ㄦ佺殑欏甸潰錛屽茍涓斿彲浠ュ甫鍙傛暟銆?br />     
     闈欐佺殑include 鐢╥nclude鍠傞┈瀹炵幇錛屼笉浼?xì)妫鏌ユ墍鍚枃浠剁殑鍙樺寲錛岄傜敤浜庨潤鎬侀〉闈?br />       <%@ include file="included.html" %>

34.Servlet API涓殑forward()涓巖edirect()鐨勫尯鍒?br />    鍓嶈?br />
35.閫氳繃UML鐢誨嚭浣犳墍鐔熸?zhèn)夌殑璁捐妯″紡銆?br />
36.寮鍙戜腑閮界敤鍒頒簡閭ｄ簺璁捐妯″紡?鐢ㄥ湪浠涔堝満鍚?
 涓昏鐢ㄥ埌浜哅VC 璁捐鐨勬ā寮?鐢ㄦ潵寮鍙慗SP/Servlet 鎴栬呮槸J2EE鐨勭浉鍏沖簲鐢?br />   綆鍗曞伐鍘傝璁℃ā寮?br />   鍗曚緥妯″紡
  瑁呴グ妯″紡IO
  闂ㄩ潰妯″紡


37.jsp 鐨勯〉闈㈣煩杞?br />    jsp鐨勯〉闈㈠疄鐜拌煩杞富瑕佹湁jsp:forward鍜宻endRedirect 涓ょ鏂規(guī)硶
  jsp:forward錛氬湪鏈鍣ㄥ唴璺寵漿銆傝煩杞悗錛屽湴鍧鏍忓湴鍧涓嶅彉銆傛晥鐜囬珮錛岃煩杞悗绔嬪嵆緇撴潫鏈〉鐨勫唴瀹廣?br />    sendRedirect: 鍦ㄥ鍣ㄤ箣闂磋煩杞紝璺寵漿鍚庡湴鍧鏍忕殑鍦板潃涓鴻煩杞悗鐨勫湴鍧錛屾晥鐜囪緝浣庛?br />
38.鍏抽敭瀛梩hrow鍜宼hrows鐨勫尯鍒?
鍙互鍒╃敤throw鍏抽敭瀛楄嚜宸辨姏鍑哄紓甯?br /> Throws涓鑸湪瀹氫箟鍑芥暟鐨勬椂鍊欎嬌鐢紝琛ㄦ槑鍑芥暟琚皟鐢ㄧ殑鏃跺欒鎶涘嚭寮傚父

39.鍚嶈瘝瑙ｉ噴錛欵JB JNDI RMI 
EJB (Enterprise Java Bean ,浼佷笟綰х殑JavaBean) J2EE浣撶郴涓牳蹇冪殑鎶鏈槸EJB錛屾彁渚涗簡涓涓鏋舵潵寮鍙戝垎甯冨紡鍟嗗姟閫昏緫錛屾樉钁楀湴
綆鍖栦簡鍏鋒湁鍙幾緙╂у拰楂樺害澶嶆潅鐨勪紒涓氱駭搴旂敤鐨勫紑鍙戙?br />
JNDI (Java Naming and Directory Interface,java鍛藉悕鍜岀洰褰曟帴鍙? JNDI鐢ㄤ簬鍚嶅瓧鍜岀洰褰曟湇鍔★紝鎻愪緵浜嗕竴鑷寸殑鎺ュ彛鏉ュ瓨鍙栧拰鎿嶄綔浼佷笟綰х殑璧勬簮
錛屽DNS(Domain Name Service)鍜屾湰鍦版枃浠剁郴緇熴?br />
RMI(Remote Method Invocation ,榪滅▼鏂規(guī)硶璋冪敤)RMI鏄湪榪滅▼鐨勫璞′笂璋冪敤鐨勪竴浜涙柟娉曪紝浣跨敤浜嗚繛緇殑鏂瑰紡鍦ㄥ鎴風(fēng)鍜屾湇鍔″櫒绔紶閫掓暟鎹紝
RMI 鏄疎JB鎶鏈熀紜銆?br />
40.Swing涓粍浠跺竷灞鏈夊摢鍑犵鏂瑰紡? 
 甯哥敤鐨勫竷灞綆＄悊鍣ㄦ湁涓嬮潰鍑犵鏂瑰紡
 FlowLayout ,GridLayout,BorderLayout,CardLayout,GridBagLayout 

41. 澶氱嚎紼嬫湁閭ｄ簺鐘舵?

42.綆榪癑ava璇█鐨勬牳蹇冩満鍒?br /> Java 璇█鍖呮嫭涓夌鏍稿績鏈哄埗:Java铏氭嫙鏈恒佸瀮鍦炬敹闆嗘満鍒跺拰浠ｇ爜瀹夊叏媯(gè)嫻?
1.Java 铏氭嫙鏈?Java Virtual Machine ,JVM) 
鍦ㄤ竴鍙拌綆楁満涓婄敱杞歡鎴栫‖浠舵ā鎷熺殑璁＄畻鏈? Java铏氭嫙鏈鴻鍙栧茍澶勭悊緇忚繃緙栬瘧榪囩殑騫沖彴鏃犲叧鐨勫瓧鑺傜爜class鏂囦歡.
2.鍨冨溇鏀墮泦鏈哄埗(Garbage collection)
鍦–/C++絳夎璦涓紝鏈夌▼搴忓憳璐熻矗鍥炴敹鏃犵敤鍐呭瓨銆侸ava 璇█瑙ｉ櫎浜嗙▼搴忓憳鍥炴敹鏃犵敤鐨勫唴瀛樼┖闂寸殑璐ｄ換銆傚畠鎻愪緵涓縐嶇郴緇熺駭綰跨▼璺熻釜
瀛樺偍絀洪棿鐨勫垎閰嶆儏鍐點(diǎn)傚茍鍦↗VM絀洪棽鏃訛紝媯(gè)鏌ュ茍閲婃斁閭ｄ簺鍙閲婃斁鐨勫瓨鍌ㄥ櫒絀洪棿銆傚瀮鍦炬敹闆嗗湪Java紼嬪簭榪愯榪囩▼涓嚜鍔ㄨ繘琛岋紝紼嬪簭鍛?br /> 鏃犳硶綺劇‘鎺у埗鍜屽共棰?
3.浠ｇ爜瀹夊叏鎬ф嫻?Code Security)
Java鎵ц浠ｇ爜鐨勬椂鍊欙紝鏈塉VM瀵硅繍琛岀殑浠ｇ爜榪涜瀹夊叏鎬ф嫻嬶紝褰撹繘琛屼竴浜涢潪娉曟搷浣滅殑鏃跺欙紝姣斿淇敼涓浜涚郴緇熺殑璁劇疆鐨勬椂鍊欙紝
JVM浼?xì)鍙戝國櫗﹀?

43.璁捐妯″紡:瀵規(guī)娊璞″伐鍘傛ā寮忕殑鐞嗚В.

44.瀵筄/R MAPPING鐨勭悊瑙?

45.瀵笰jax 鐨勭悊瑙ｅ強(qiáng)搴旂敤.

46.榪愮敤JavaScript 錛屽啓涓涓被錛岀被鍚?student ,浠栫殑灞炴?name ,age,tall,浠栫殑鏂規(guī)硶:getname,getAge,getTall 瑕佺獊鍑篔avascript 鐨刼op鎬濇兂.

47.鍐欎竴涓猉ML 鏂囦歡
鏍煎紡濡備笅:
<student>
<name>11</name>
<age>33</age>
</studnet>
浣跨敤Java 璇█錛岄亶鍘嗘墍鏈夎妭鐐癸紝鐒跺悗鍦ㄩ〉闈笂杈撳嚭銆?br />
48.濡備綍鑾峰緱瀹㈡埛绔殑IP鍦板潃?
鍒╃敤request 瀵硅薄鍙互鑾峰緱瀹㈡埛鎻愪氦鐨勪俊鎭?姣斿:jsp鏂囦歡鐩綍錛屽鎴風(fēng)鐨勫湴鍧錛屼互鍙?qiáng)鏈嶅姟鍣ㄧ殑绔彛绛夈?br />  <BR>鑾峰彇瀹㈡埛鐨処p鍦板潃
<% String ip=request.getRemoteAddr();
out.println(ip);%>

49.鏋勯犲嚱鏁版湁浠涔堜綔鐢紵綆榪伴噸杞芥瀯閫犲嚱鏁扮殑濂藉銆?br /> 鏋勯犲嚱鏁頒篃鍙瀯閫犳柟娉曪紝鏄痡ava綾諱腑鐨勪竴縐嶇壒淇楃殑鏂規(guī)硶錛屽叾鍔熻兘鏄垱寤哄叾鎵灞炵被鍨嬬殑涓涓柊鐨勫璞°?br /> 澹版槑鏋勯犳柟娉曠殑璇硶瑙勫垯濡備笅錛?br /> <modifiers> <class_name> ([argu_list]){
[<statements>]
}
鏋勯犳柟娉曠殑鐗圭偣鏄細(xì)娌℃湁榪斿洖鍊肩被鍨嬶紝鏂規(guī)硶鍚嶅繀欏誨彇鍜屾墍灞炵被鐩稿悓鐨勫悕瀛椼?br /> 鍦ㄥ畾涔塉ava綾葷殑鏃跺欙紝鍙互瀹氫箟涓涓垨鑰呮槸澶氫釜鏋勯犳柟娉曪紝閫氬父鍦ㄦ瀯閫犳柟娉曚腑榪涜涓浜涘垵濮嬪寲宸ヤ綔銆?br />
50.application 瀵硅薄鏈変粈涔堢壒鐐癸紵鍜宻esion 瀵硅薄鏈変粈涔堣仈緋誨拰鍖哄埆錛?br /> 绔欑偣鎵鏈夌殑鐢ㄦ埛鍏敤涓涓猘pplication瀵硅薄錛屽綋绔欑偣鏈嶅姟鍣ㄥ紑鍚殑鏃跺欙紝applicaiton灝辮鍒涘緩錛岀洿鍒扮綉绔欏叧闂?br /> 鍙互浣跨敤Session瀵硅薄鍌ㄥ瓨鐢ㄦ埛鐧婚檰緗戠珯鏃跺欑殑淇℃伅銆傚綋鐢ㄦ埛鍦ㄩ〉闈箣闂磋煩杞椂錛屽偍瀛樺湪Session瀵硅薄涓殑鍙橀噺
涓嶄細(xì)琚竻闄ゃ?br /> 鑱旂郴鏄細(xì)鏁版嵁閮藉瓨鍌ㄥ湪鏈嶅姟鍣ㄧ錛岃屼笖閮藉彲浠ヤ繚鐣欎竴孌墊椂闂淬?br /> 鍖哄埆鏄細(xì)姣忎釜鐢ㄦ埛鏈変竴涓猻ession錛屼絾鏄痑pplication鏄叡鏈夌殑

51.綆榪癝ervlet 鐨勭敓鍛藉懆鏈?
 Servlet榪愯鏈哄埗鍜孉pplet綾諱技錛孲ervlet鏄湪鏈嶅姟鍣ㄧ榪愯鐨勶紝浣嗘槸Applet鏄湪瀹㈡埛绔繍琛岀殑銆係ervlet鏄?javax.servlet鍖呬腑鐨?br /> HttpServlet綾葷殑瀛愮被錛岀敱鏈嶅姟鍣ㄥ畬鎴愯瀛愮被鐨勫垱寤哄拰鍒濆鍖栥?br /> Servlet鐨勭敓鍛藉懆鏈熶富瑕佹湁3涓繃紼嬬粍鎴愩?br /> 1.init(),鏈嶅姟鍣ㄥ垵濮嬪寲Servlet
2.service()鏂規(guī)硶錛氬垵濮嬪寲瀹屾瘯錛孲ervlet瀵硅薄璋冪敤璇ユ柟娉曞搷搴斿鎴風(fēng)殑璇鋒眰銆?br /> 3.destroy()鏂規(guī)硶錛氳皟鐢ㄨ鏂規(guī)硶娑堢伃Servlet瀵硅薄銆?br /> 鍏朵腑錛宨nit()鏂規(guī)硶鍙湪Servlet絎竴嬈¤璇鋒眰鍔犺澆鐨勬椂鍊欒璋冪敤涓嬈★紝褰撴湁瀹㈡埛鍐嶈姹係ervlet鏈嶅姟鏃訛紝W(xué)eb鏈嶅姟鍣ㄥ皢鍚姩涓涓柊鐨勭嚎紼嬶紝
鍦ㄨ綰跨▼涓紝璋冪敤Service鏂規(guī)硶鐩稿簲瀹㈡埛鐨勮姹傘?br />
52.




 





      
   
    

絳旈鏃墮棿20鍒嗛挓
1.
System.out.println(1+’\002’)浼?xì)鎵撳嵃鍑哄灏? _________
System.out.println(1+2+”3”)浼?xì)鎵撳嵃鍑哄灏? _________

2. 璇風(fēng)畝鍗曡ˉ鍏呭畬涓嬮潰jdbc璇誨彇鏁版嵁鐨勫疄鐜?
String SQL = “SELECT id , title, description FROM t_blog WHERE id = ?”;
long id;
String title;
String description;
Connection conn = null;//鍋囪鐢–onnectionManager.getConnection();鍙互鑾峰緱榪炴帴瀵硅薄
PrepareStatement pstmt = null;




濡傛灉description瀛楁鍦ㄦ暟鎹簱涓槸text綾誨瀷錛岃屼笖瀛樺偍鐨勬枃瀛楁瘮杈冨錛?0K宸﹀彸錛夛紝榪欐椂鍊欒濡備綍浼樺寲璇誨彇錛岃緋葷粺鏀拺鏇村ぇ鐨勫茍鍙戯紵


3. 鏈変竴綃囨枃绔犵殑URL涓?view.jsp?id=100 錛屾瘡鍒嗛挓璁塊棶閲忓彲鑳戒笂鍗冩錛屽湪璁板綍鍜屾樉紺哄畠鐨勬煡鐪嬫鏁版椂錛屼綘瑙夊緱濡備綍鍋氭ц兘姣旇緝濂斤紵


4. 鍐欏嚭浣犳渶甯歌鍒扮殑涓浜涜繍琛屾椂寮傚父(runtime exception)錛屽啀綆榪頒竴涓嬩綘鏄浣曢伩鍏峧ava 涓┖鎸囬拡寮傚父鐨?

5. 浣犵敤lucene鍋氳繃鍏ㄦ枃媯(gè)绱㈠悧? 綆鍗曟弿榪頒竴涓嬩綘鐨勭粡楠屻?

6. 綆榪頒竴涓嬩綘瀵笹C鐨勭悊瑙ｏ紝浠ュ強(qiáng)濡備綍閬垮厤鍐呭瓨娉勯湶銆?

7. 瑕佹眰鏈鍚庢墦鍗板嚭鐨勫叏閮ㄦ槸鏁板瓧錛屼笅闈㈢殑紼嬪簭婊¤凍瑕佹眰鍚楋紵榪樺彲浠ュ啀浼樺寲鍚楋紵璇風(fēng)畝鍗曟弿榪般?
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8. 綆榪頒竴涓媕avascript/dhtml/css/ajax鍦ㄤ綘浠ュ墠欏圭洰涓殑搴旂敤紼嬪害錛涚啛鎮(zhèn)夎法嫻忚鍣ㄥ吋瀹筳avascript/css鍚? 鏈夊叴瓚ｅ瀹冧滑榪涜娣卞叆鐮旂┒鍚楋紵


9. 浣犳渶鐔熸?zhèn)塛eb寮鍙戣繃紼嬩腑鐨勫摢閮ㄥ垎錛?/div>

doodoosun 2008-05-09 16:37 鍙戣〃璇勮
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