銆銆1銆佷拱涓椆閽燂紝浠ヤ究鎸夋椂鍙啋浣犮傝椽鐫″拰涓嶅畧鏃訛紝閮藉皢鎴愪負(fù)浣犲伐浣滃拰浜嬩笟涓婄殑緇婅剼鐭籌紝浠諱綍鏃跺欓兘涓鏍楓備笉浠呰瀛︿細(xì)鍑嗘椂錛屾洿瑕佸浼?xì)鎻愬墠銆傚氨濡備綘鍧愯濺鍘?鏌愬湴錛屾部閫旂殑椋庢櫙寰堢編錛屼綘蹇嶄笉浣忎笅杞︾湅涓鐪嬶紝鍚庢潵铏界劧浣犺繕鏄刀鍒頒簡鏌愬湴錛屽嵈涓嶆槸鍑嗘椂鍒拌揪銆傗滈椆閽熲濆彧鏄竴縐嶇畝鍗曠殑鏍囧織鍜屾彁紺猴紝鐪熸鐏墊椿銆佸疄鐢ㄧ殑鏃墮棿錛屾帉鎻?鍦ㄦ瘡涓漢鐨勫績涓?/p>
銆銆2銆佸鏋滀綘涓嶅枩嬈㈢幇鍦ㄧ殑宸ヤ綔錛岃涔堣緸鑱屼笉騫詫紝瑕佷箞灝遍棴鍢翠笉璦銆傚垵鍑鴻寘搴愶紝寰寰鐪奸珮鎵嬩綆錛屽績楂樻皵鍌詫紝澶т簨鍋氫笉浜嗭紝灝忎簨涓嶆効鍋氥備笉瑕佸吇鎴愭寫涓夋嫞鍥涚殑涔?fàn)鎯備笉瑕侀洦澶╃儲鎵撲紴錛屼笉甯︿紴鍙堟曟穻闆紝澶勫琛ㄧ幇鍑轟笉婊＄殑鎯呯華銆傝浣忥紝涓嶅仛鍒欏凡錛岃鍋氬氨瑕佸仛濂姐?/p>
銆銆3銆佹瘡涓漢閮芥湁瀛ょ嫭鐨勬椂鍊欍傝瀛︿細(xì)蹇嶅彈瀛ょ嫭錛岃繖鏍鋒墠浼?xì)鎴愮啛钃v鏉ャ傚勾杞諱漢鍢誨樆鍝堝搱銆佹墦鎵撻椆闂規(guī)儻浜嗭紝鍒頒簡涓涓檶鐢熺殑鐜錛岄潰瀵瑰艦褰㈣壊鑹茬殑浜哄拰浜嬶紝涓 涓嬪瓙涓嶇煡鎵鎺搗鏉ワ紝鏈夋椂榪炰竴涓彲浠ュ懼績璇磋瘽鐨勫湴鏂逛篃娌℃湁銆傝繖鏃訛紝鍗冧竾鍒誕韜侊紝瀛︿細(xì)闈欏績錛屽浼?xì)蹇嶅彈瀛ょ嫭銆傚湪瀛ょ嫭涓濊冿紝鍦ㄦ濊冧腑鎴愮啛錛屽湪鎴愮啛涓崌鍗庛備笉瑕佸洜 涓哄瘋瀵炶屼貢浜嗘柟瀵革紝鑰屽幓鍋氭棤鑱婃棤鐩婄殑浜嬫儏錛岀櫧鐧芥氮璐逛簡瀹濊吹鐨勬椂闂淬?/p>
銆銆4銆佽蛋榪愭椂瑕佸仛濂藉掗湁鐨勫噯澶囥傛湁涓澶╋紝涓鍙嫄鐙歌蛋鍒頒竴涓憽钀勫洯澶栵紝鐪嬭閲岄潰姘寸伒鐏電殑钁¤悇鍨傛稁嬈叉淮銆傚彲鏄闈㈡湁鏍呮爮鎸＄潃錛屾棤娉曡繘鍘匯備簬鏄畠涓鐙犲績 緇濋涓夋棩錛屽噺鑲ヤ箣鍚庯紝緇堜簬閽昏繘钁¤悇鍥唴楗遍涓欏褲傚綋瀹冨績婊℃剰瓚沖湴鎯崇寮钁¤悇鍥椂錛屽彂瑙夎嚜宸卞悆寰楀お楗憋紝鎬庝箞涔熼捇涓嶅嚭鏍呮爮浜嗐傜浉淇′換浣曚漢閮戒笉鎰垮仛榪欐牱鐨勭嫄鐙搞?閫璺悓鏍烽噸瑕併傞ケ甯﹀共綺紝鏅村甫闆ㄤ紴錛岀偣婊寸Н绱紝姘村埌娓犳垚銆傛湁鐨勪笢瑗夸粖澶╀技涔庝竴鏂囦笉鍊鹼紝浣嗘湁鏈濅竴鏃ヤ篃璁稿氨浼?xì)桧n浠風(fēng)櫨鍊嶃?/p>
銆銆5銆佷笉瑕佸儚鐜葷拑閭ｆ牱鑴嗗急銆傛湁鐨勪漢鐪肩潧鎬葷洴鐫鑷繁錛屾墍浠ラ暱涓嶉珮鐪嬩笉榪滐紱鎬繪槸鍠滄鎬ㄥぉ灝や漢錛屼篃浣垮埆浜烘棤姣斿帉鐑︺傛病鏈夎嫤涓嫤錛屽摢鏉ョ敎涓敎錛熶笉瑕佸儚鐜葷拑閭ｆ牱鑴嗗急錛岃屽簲鍍忔按鏅朵竴鏍烽忔槑錛屽お闃充竴鏍瘋緣鐓岋紝鑵婃涓鏍峰潥寮恒傛棦鐒剁潄寮鐪肩潧浜彈椋庣殑娓呭噳錛屽氨涓嶈鍩嬫ㄩ涓粏灝忕殑娌欑矑銆?/p>
銆銆6銆佺浣忚嚜宸辯殑鍢村反銆備笉瑕佽皥璁鴻嚜宸憋紝鏇翠笉瑕佽璁哄埆浜恒傝皥璁鴻嚜宸卞線寰浼?xì)鑷ぇ铏氫吉锛屽湪鍚嶄笉鍓疄涓け鍘昏嚜宸便傝璁哄埆浜哄線寰闄峰叆楦℃瘺钂滅毊鐨勬槸闈炲彛鑸屼腑綰?緙犱笉娓呫傛瘡澶╀笅鐝悗鍜屼綘鐨勯偅浜涘悓浜嬫湅鍙嬪枬閰掕亰澶╁彲涓嶆槸浠跺ソ浜嬶紝鍥犱負(fù)錛岃繖涓棿寰寰浼?xì)鎶婅璁哄悓浜嬨佹湅鍙嬪綋鍋氳瘽棰樸傝儗鍚庤璁轟漢鎬繪槸涓嶅ソ鐨勶紝灝ゅ叾鏄璁哄埆浜虹殑鐭?澶勶紝榪欎簺浼?xì)闄嶄綆浣犵殑錆h鏍箋?/p>
銆銆7銆佹満浼?xì)浠庝笉浼?xì)鈥滃け鎺夆濓紝浣犲け鎺変簡錛岃嚜鏈夊埆浜轟細(xì)寰楀埌銆備笉瑕佸嚒浜嬪湪澶╋紝瀹堟牚寰呭厰錛屾洿涓嶈瀵勫笇鏈涗簬鈥滄満浼?xì)鈥濄傛満浼?xì)鍙笉杩囨槸鐩稿浜庡厖鍒嗗噯澶囪屽張鍠勪簬鍒?閫犳満浼?xì)鐨勪壶檧岃█鐨勩備篃璁革紝浣犳涓哄け鍘諱竴涓満浼?xì)鑰屾噴鎮(zhèn)斻佸煁鎬ㄧ殑鏃跺欙紝鏈轟細(xì)姝ｈ浣犲闈㈤偅涓悓鏍風(fēng)殑鈥滃掗湁楝尖濈粰鎶撲綇浜嗐傛病鏈夋満浼?xì)锛尀p鍒涢犳満浼?xì)锛屾湁浜嗘溵Z細(xì)錛屽氨瑕?宸у鍦版姄浣忋?/p>
銆銆8銆佽嫢鐢?shù)璇濊佹槸涓嶅搷錛屼綘璇ユ墦鍑哄幓銆傚緢澶氭椂鍊欙紝鐢?shù)璇濅細(xì)缁欎綘甯︽潵鎰忔兂涓嶅埌鐨勬敹鑾峰Q屽畠涓嶆槸鑺辯摱錛屼粎浠呮垚涓轟竴縐嶆憜璁俱備氦浜嗘柊鏈嬪弸錛屽埆蹇樹簡鑰佹湅鍙嬶紝鏈嬪弸澶氫簡璺ソ璧般備氦闄呯殑涓澶ц瘈紿嶅氨鏄富鍔ㄣ傚ソ鐨勪漢緙樺ソ鐨勫彛紕戯紝寰寰鍔╀綘鐨勪簨涓氭洿涓婁竴涓彴闃躲?/p>
銆銆9銆佸崈涓囦笉瑕佸洜涓鴻嚜宸卞凡緇忓埌浜嗙粨濠氬勾榫勮岃崏鐜囩粨濠氥傛兂緇撳錛屽氨瑕佹壘涓涓兘鍜屼綘蹇冨績鐩稿嵃銆佺浉杈呯浉鎼虹殑浼翠荊銆備笉瑕佸洜涓烘斁綰靛拰娓告垙鑰屾亱鐖憋紝涓嶈鍥犱負(fù)鎭嬬埍鑰屽獎鍝嶅伐浣滃拰浜嬩笟錛屾洿涓嶈鍥犱竴妗╄崏鐜囪屽け璐ョ殑濠氬Щ鑰屼嬌浜虹敓鍙楅樆銆傛劅鎯呯敤浜嬪線寰浼?xì)鍥牉畯澶卞ぇ銆?/p>
銆銆10銆佸啓鍑轟綘涓鐢熻鍋氱殑浜嬫儏錛屾妸鍗曞瓙鏀懼湪鐨す閲岋紝緇忓父鎷垮嚭鏉ョ湅銆備漢鐢熻鏈夌洰鏍囷紝瑕佹湁璁″垝錛岃鏈夋彁閱掞紝瑕佹湁绱ц揩鎰熴備竴涓張涓涓皬鐩爣涓茶搗鏉ワ紝灝辨垚浜嗕綘涓鐢熺殑澶х洰鏍囥傜敓媧誨瘜瓚充簡錛岀幆澧冩敼鍠勪簡錛屼笉瑕佸繕浜嗙毊澶歸噷閭ｅ紶鐪嬩技钖勮杽鐨勫崟瀛愩?/p>
絎簩錛孉nonymous Inner Class (鍖垮悕鍐呴儴綾? 鏄惁鍙互extends(緇ф壙)鍏跺畠綾伙紝鏄惁鍙互implements(瀹炵幇)interface(鎺ュ彛)?
絎笁錛孲tatic Nested Class 鍜?Inner Class鐨勪笉鍚岋紝璇村緱瓚婂瓚婂ソ(闈㈣瘯棰樻湁鐨勫緢絎肩粺)銆?/p>
絎洓錛?amp;鍜?amp;&鐨勫尯鍒?br />榪欎釜闂緱寰堝皯銆?/p>
絎簲錛孒ashMap鍜孒ashtable鐨勫尯鍒?br />甯擱棶銆?/p>
絎叚錛孋ollection 鍜?Collections鐨勫尯鍒?br />浣犲崈涓囧埆璇翠竴涓槸鍗曟暟涓涓槸澶嶆暟銆?/p>
絎竷錛屼粈涔堟椂鍊欑敤assert銆?br />API綰х殑鎶鏈漢鍛樻湁鍙兘浼?xì)闂畼q欎釜銆?/p>
絎叓錛孏C鏄粈涔? 涓轟粈涔堣鏈塆C?
鍩虹銆?/p>
絎節(jié)錛孲tring s = new String("xyz");鍒涘緩浜嗗嚑涓猄tring Object?
絎崄錛孧ath.round(11.5)絳夋柤澶氬皯? Math.round(-11.5)絳夋柤澶氬皯?
絎崄涓錛宻hort s1 = 1; s1 = s1 + 1;鏈変粈涔堥敊? short s1 = 1; s1 += 1;鏈変粈涔堥敊?
闈㈣瘯棰橀兘鏄緢鍙樻佺殑錛岃鍋氬ソ鍙楄檺鐨勫噯澶囥?/p>
絎崄浜岋紝sleep() 鍜?wait() 鏈変粈涔堝尯鍒?
鎼炵嚎紼嬬殑鏈鐖便?/p>
絎崄涓夛紝Java鏈夋病鏈塯oto?
寰堝崄涓夌殑闂錛屽鏋滃摢涓潰璇曠殑闂埌榪欎釜闂錛屾垜鍔濅綘榪樻槸鍒繘榪欏鍏徃銆?/p>
絎崄鍥涳紝鏁扮粍鏈夋病鏈塴ength()榪欎釜鏂規(guī)硶? String鏈夋病鏈塴ength()榪欎釜鏂規(guī)硶?
絎崄浜旓紝Overload鍜孫verride鐨勫尯鍒侽verloaded鐨勬柟娉曟槸鍚﹀彲浠ユ敼鍙樿繑鍥炲肩殑綾誨瀷?
甯擱棶銆?/p>
絎崄鍏紝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? 鏄敤==榪樻槸equals()? 瀹冧滑鏈変綍鍖哄埆?
絎崄涓冿紝緇欐垜涓涓綘鏈甯歌鍒扮殑runtime exception銆?br />濡傛灉浣犺繖涓瓟涓嶅嚭鏉ワ紝闈㈣瘯鐨勪漢浼?xì)璁や皋Z綘娌℃湁瀹為檯緙栫▼緇忛獙銆?/p>
絎崄鍏紝error鍜宔xception鏈変粈涔堝尯鍒?
絎崄涔?jié)锛孡ist, Set, Map鏄惁緇ф壙鑷狢ollection鎺ュ彛?
絎簩鍗侊紝abstract class鍜宨nterface鏈変粈涔堝尯鍒?
甯擱棶銆?/p>
絎簩鍗佷竴錛宎bstract鐨刴ethod鏄惁鍙悓鏃舵槸static,鏄惁鍙悓鏃舵槸native錛屾槸鍚﹀彲鍚屾椂鏄痵ynchronized?
絎簩鍗佷簩錛屾帴鍙ｆ槸鍚﹀彲緇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)?
絎簩鍗佷笁錛屽惎鍔ㄤ竴涓嚎紼嬫槸鐢╮un()榪樻槸start()?
絎簩鍗佸洓錛屾瀯閫犲櫒Constructor鏄惁鍙override?
絎簩鍗佷簲錛屾槸鍚﹀彲浠ョ戶鎵縎tring綾?
絎簩鍗佸叚錛屽綋涓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▼鏄惁鍙繘鍏ユ瀵硅薄鐨勫叾瀹冩柟娉?
絎簩鍗佷竷錛宼ry {}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?
絎簩鍗佸叓錛岀紪紼嬮: 鐢ㄦ渶琛岊灎瀹炲妞掋剫鎰?涔樹互8絳夋柤鍑?
鏈塁鑳屾櫙鐨勭▼搴忓憳鐗瑰埆鍠滄闂繖縐嶉棶棰樸?/p>
絎簩鍗佷節(jié)錛屼袱涓璞″肩浉鍚?x.equals(y) == true)錛屼絾鍗村彲鏈変笉鍚岀殑hash code錛岃繖鍙ヨ瘽瀵逛笉瀵?
絎笁鍗侊紝褰撲竴涓璞¤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屽埌搴曟槸鍊間紶閫掕繕鏄紩鐢ㄤ紶閫?
絎笁鍗佷竴錛宻wtich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?
絎笁鍗佷簩錛岀紪紼嬮: 鍐欎竴涓猄ingleton鍑烘潵銆?/p>
銆銆涓婃搗錛?350.00鍏兟犲箍宸烇細(xì)4750.00鍏兟犳繁鍦籌細(xì)5280.00鍏?br />
銆銆鏉窞錛?980.00聽鍏兟犲崡浜細(xì)3780.00鍏兟犳棤閿★細(xì)3200.00鍏?br />
銆銆鑻忓窞錛?300.00鍏兟犳祹鍗楋細(xì)3120.00鍏兟犲お鍘燂細(xì)1980.00鍏?br />
銆銆閾跺窛錛?100.00鍏兟犳槅鏄庯細(xì)2800.00鍏兟犺吹宸烇細(xì)1600.00鍏?br />
銆銆鍗楁槍錛?200.00鍏兟犵宸烇細(xì)3380.00鍏兟犲帵闂狅細(xì)4100.00鍏?br />
銆銆闈掑矝錛?000.00鍏兟犲ぉ媧ワ細(xì)3150.00鍏兟犳垚閮斤細(xì)1900.00鍏?br />
銆銆閲嶅簡錛?250.00鍏兟犻暱娌欙細(xì)2480.00鍏兟犳姹夛細(xì)2680.00鍏?br />
銆銆鍏板窞錛?500.00鍏兟犻儜宸烇細(xì)2880.00鍏兟犺タ瀹侊細(xì)1000.00鍏?br />
銆銆縐︾殗宀涳細(xì)2550.00鍏兟犵煶瀹跺簞錛?300.00鍏兟犲搱灝?dāng)婊ㄥQ?700.00鍏?br />
銆銆闀挎槬錛?500.00鍏兟犳矆闃籌細(xì)2100.00鍏兟犲悎鑲ワ細(xì)1680.00鍏?br />
銆銆甯稿窞錛?380.00鍏兟犳俯宸烇細(xì)5020.00鍏兟犲ぇ榪烇細(xì)3000.00鍏?br />
銆銆鍛煎拰嫻╃壒錛?700.00鍏兟犱箤椴佹湪榻愶細(xì)2100.00鍏兟犳媺钀細(xì)900.00鍏?br />
銆銆瑗垮畨錛?080.00鍏兟犲崡瀹侊細(xì)1300.00鍏兟犳搗鍙ｏ細(xì)2600.00鍏?br />
銆銆涓変簹錛?360.00鍏兟犳境闂細(xì)8900.00鍏兟犻娓細(xì)18500.00鍏?br />
銆銆鍙板寳錛?1500.00鍏?br />
銆銆鎽樿嚜銆婁笘鐣岀粡鐞嗕漢銆?
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