• 馃摝 鈥?strong>鈥嬩唬鐮佸鐢ㄢ€?/strong>鈥嬶細"涓€鏉′唬鐮侀棷澶╂动"鎵嶆槸鐪熷姛澶?/li>
• 馃洜锔?鈥?strong>鈥嬫ā鍧楀寲寮€鍙戔€?/strong>鈥嬶細鎶婂ぇ璞″鍐扮涔熷彧闇€瑕佷笁涓楠ゅ鍚э紵
• 馃攳 鈥?strong>鈥嬩究浜庣淮鎶も€?/strong>鈥嬶細濂芥瘮涔愰珮绉湪锛屽摢涓浂浠跺潖鎹㈠摢涓?/li>

浜屻€佹墜鎶婃墜鏁欎綘鏂规硶鐨勫熀鏈搷浣?/h3>

锛堝叿浣撳姩鎵嬬幆鑺傦級鍜变滑鍏堢湅鐪嬫柟娉曠殑鏍囧噯鏍煎紡锛氥€愬鐫€灞忓箷鍋囪鏁查敭鐩樸€?br/> public static String 闂ソ(String 鍚嶅瓧) { return "鍢匡紝" + 鍚嶅瓧 + "锛佸悆浜嗗悧锛?; }

锛堥厤鍥惧紡瑙ｈ锛夊叧閿浂浠舵媶瑙ｏ細

1. 鈥?strong>鈥嬭闂慨楗扮鈥?/strong>鈥嬶細灏卞儚鐥呮埧闂ㄥ彛鐨?瀹跺睘姝㈡"鐗屽瓙锛坧ublic鍒欒〃绀洪殢渚胯繘锛?/li>
2. 鈥?strong>鈥嬭繑鍥炲€肩被鍨嬧€?/strong>鈥嬶細鏂规硶缁撴潫瑕佸甫浠€涔堜即鎵嬬ぜ鍥炴潵锛堟病鏈変笢瑗垮氨鍐檝oid锛?/li>
3. 鈥?strong>鈥嬫柟娉曞悕鈥?/strong>鈥嬶細璧峰悕灏辫鍍忓簵閾烘嫑鐗岋紝璁╀汉涓€鐪嬪氨鎳傚崠浠€涔堢殑
4. 鈥?strong>鈥嬪弬鏁板垪琛ㄢ€?/strong>鈥嬶細鏈哄櫒鐨勬姇鏂欏彛锛屽弬鏁板氨鏄綘瑕佸杩涘幓鐨勯鏉?/li>

锛堣浜鸿瘽锛夆€?strong>鈥嬭皟鐢ㄦ柟娉曞叾瀹炵壒绠€鍗曗€?/strong>鈥嬶細
// 鐩存帴鍠婃柟娉曞悕瀛?鎶曞杺鍙傛暟 String 闂€欒 = 闂ソ("鑰佺帇"); System.out.println(闂€欒); // 杈撳嚭锛氬樋锛岃€佺帇锛佸悆浜嗗悧锛?/code>

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涓夈€佸弬鏁颁紶閫掔殑鍧戯紝鎴戞浛浣犱滑韪╄繃浜?/h3>

锛堣姘斿彉涓ヨ們锛夎繖閲屾湁涓ぇ鍧戯紒鏇剧粡璁╂垜鎬€鐤戞櫤鍟嗏€斺€擩ava姘歌繙鏄€间紶閫掞紒鍝庡搸鍒€ョ潃鍙嶉┏锛屽挶浠幇鍦哄疄楠岋細

锛堟姏鍑虹粡鍏告渚嬶級
void 鏀规暟瀛?int num) { num = 100; } int 鍘熷€?= 50; 鏀规暟瀛?鍘熷€?; System.out.println(鍘熷€?; // 杩樻槸50锛佹病鍙橈紒

锛堢獊鐒舵彁楂樺０璋冿級鐪嬪惂锛佷紶鐨勬槸鍘熷€肩殑澶嶅嵃浠讹紝鍘熶欢涓嶄細琚慨鏀广€備絾寮曠敤绫诲瀷浼犻€掑鍗颁欢鏃讹紝澶嶅嵃浠跺拰鍘熶欢鎸囧悜鍚屼竴涓湴鍧€鍟婏紒锛堟澶勫仠椤匡級杩欐劅瑙夊氨鍍?..鎶婁綘鐨勫闂ㄩ挜鍖欏鍗颁竴浠界粰鍒汉锛岃櫧鐒堕挜鍖欐槸澶嶅嵃浠讹紝浣嗗紑鐨勮繕鏄悓涓€涓闂ㄥ槢锛?/p>

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鍥涖€佸疄鎴橈細鍋氫釜鐧诲綍楠岃瘉鏂规硶

锛堟渚嬫暀瀛︼級鏉ユ潵鏉ワ紝鍜变滑鍐欎釜甯﹀弬鏁扮殑瀹炵敤鏂规硶锛氥€愬甫鐫€鑺傚鏁蹭唬鐮併€?br/> public static boolean 楠岃瘉鐧诲綍(String 杈撳叆璐﹀彿, String 杈撳叆瀵嗙爜){ String 姝ｇ‘璐﹀彿 = "admin"; String 姝ｇ‘瀵嗙爜 = "123456"; return 杈撳叆璐﹀彿.equals(姝ｇ‘璐﹀彿) && 杈撳叆瀵嗙爜.equals(姝ｇ‘瀵嗙爜); }

锛堣В閲婂叧閿偣锛?/p>

• 鈥?strong>鈥嬩负鍟ョ敤boolean鈥?/strong>鈥嬶細瑕佷箞瀵硅涔堥敊锛屽氨鍍忓紑鍏冲彧鏈夊紑/鍏?/li>
• 鈥?strong>鈥媏quals浠ｆ浛==鈥?/strong>鈥嬶細瀛楃涓叉瘮杈冨繀椤荤敤杩欎釜锛佽娉暀璁晩鍚勪綅
• 鈥?strong>鈥嬩袱涓潯浠跺悓鏃舵弧瓒斥€?/strong>鈥嬶細&&杩愮畻绗﹁〃绀?骞朵笖"锛岀己涓€涓嶅彲

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浜斻€佷釜浜鸿鐐瑰ぇ鏀鹃€?/h3>

锛堟媿妗屽瓙锛夋垜鍙戠幇90%鐨勬柊鎵嬮兘鐘悓涓€涓敊璇€斺€旇繃搴﹁拷姹傚鏉傚弬鏁帮紒鏈夋鐪嬪埌鏈変汉鍐欎簡void 澶勭悊鏁版嵁(int a, String b, double c, boolean d...)鏁存暣涓冧釜鍙傛暟锛佽繖绠€鐩村儚閫肩潃鏈嶅姟鍛樺悓鏃剁涓冪姹わ紝涓嶇炕杞︽墠鎬紒

鎴戠殑缁忛獙涔嬭皥锛?/p>

1. 鈥?strong>鈥嬪弬鏁板埆瓒呰繃3涓€?/strong>鈥嬶紝澶氫簡灏卞皝瑁呮垚瀵硅薄
2. 鈥?strong>鈥嬫柟娉曢暱搴︽帶鍒跺湪灞忓箷涓€灞忓唴鈥?/strong>鈥嬶紝瓒呰繃璇存槑瑕佹媶鍒?/li>
3. 鈥?strong>鈥嬭捣鍚嶈鍍忚浜鸿瘽鈥?/strong>鈥嬶紝鍒暣doSomething()杩欑璋滆

锛堢幇韬娉曪級璁板緱绗竴娆″啓鏂规硶鏃讹紝鎴戠‖鏄妸璁＄畻鍣ㄥ姛鑳藉杩涗竴涓柟娉曢噷...缁撴灉璋冭瘯浜?灏忔椂锛佸悗鏉ユ媶鎴?code>鍔犳硶()銆?code>鍑忔硶()锛?鍒嗛挓鎼炲畾銆傝繖鍛婅瘔鎴戜滑鈥斺€旀柟娉曚笉鏄秺闀胯秺鐗涳紝鍚堥€傛墠鏄帇閬擄紒

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锛堟渶鍚庡敔瀹跺父寮忕粨灏撅級璇翠簡杩欎箞澶氾紝鍏跺疄鏈€鍏抽敭鐨勫氨鏄姩鎵嬭瘯閿欍€傚綋骞存垜涔熸槸涓€閬嶉亶鎶ラ敊锛屽樊鐐圭牳閿洏锛屼絾绐佺劧寮€绐嶅悗鐪嬩唬鐮侀兘浜插垏浜嗐€傝鏄綋骞存湁浜鸿繖涔堢粰鎴戣鏂规硶锛岃嚦灏戣兘灏戣劚鍙?0鏍?..琛屽暒锛岃刀绱ф墦寮€IDE鏁蹭唬鐮佸幓鍚э紒閬囧埌鍧戦殢鏃跺洖鏉ョ炕杩欑瘒锛屼繚璇佷笉钘忕潃鎺栫潃锛?/p>

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