锛堝紑鍦烘毚鍑伙級浣犳湁娌℃湁閬囧埌杩囪繖绉嶆儏鍐碉紵鏄庢槑鑷繁鍐欑殑Java浠ｇ爜璺戝緱濂藉ソ鐨勶紝鍚屼簨涓€鏀规煇涓柟娉曪紝鏁翠釜绋嬪簭鐩存帴宕╂簝浜?..锛堝仠椤匡級杩欐椂鍊欏氨璇ユ惉鍑哄挶浠粖澶╃殑鏁戞槦鈥斺€攑rivate鏂规硶浜嗭紒

涓€銆乸rivate鏂规硶鏄暐锛熷厛鏉ヤ釜"涓€鍙ヨ瘽璇存槑涔?

绠€鍗曟潵璇达紝鈥?strong>鈥媝rivate灏卞儚浣犲淇濋櫓鏌滅殑瀵嗙爜閿佲€?/strong>鈥嬨€傚彧鏈変綘鑷繁锛堝綋鍓嶇被锛夎兘寮€锛屽浜猴紙鍏朵粬绫伙級鎯虫懜閮芥懜涓嶇潃銆備妇涓緥瀛愶細

java澶嶅埗
public class 閽卞寘 {
    private void 鏁伴挶() { 
        System.out.println("姝ｅ湪鍋峰伔鏁伴挒绁?..");
    }
    
    public void 浜ゆ按鐢佃垂() {
        鏁伴挶(); // 杩欓噷鍙互璋冪敤
        System.out.println("缂磋垂鎴愬姛");
    }
}

杩欐椂鍊欒鏄湁浜烘兂鐩存帴璋冪敤閽卞寘.鏁伴挶()锛岀郴缁熺洿鎺ョ敥浣犱竴鑴告姤閿欙細"鏁伴挶() 鍦?閽卞寘 涓槸 private 璁块棶鎺у埗"銆備綘鐪嬶紝闃茬瑙嗘晥鏋滄潬鏉犵殑锛?/p>

浜屻€佷粈涔堟椂鍊欒鐢╬rivate鏂规硶锛熻浣忚繖涓変釜鍦烘櫙

锛堟暡榛戞澘锛夐噸鐐规潵浜嗭紒涓嬮潰杩欎笁涓儏鍐典綘瑕佹槸娌＄敤private锛屼唬鐮佸嚭闂鍙埆鎬垜娌℃彁閱掑晩锛?/p>

1. 鈥?strong>鈥嬪唴閮ㄦ搷浣滀笉鎯虫毚闇叉椂鈥?/strong>鈥?br/> 姣斿澶勭悊鏁忔劅鏁版嵁鐨勬柟娉曪紝灏卞儚閾惰绯荤粺鐨勫瘑鐮佹牎楠屾ā鍧?/p>

2. 鈥?strong>鈥嬭緟鍔╀富娴佺▼鐨?宸ュ叿浜?鏂规硶鈥?/strong>鈥?br/> 涓句釜渚嬪瓙锛氳绠楄鍗曚紭鎯犵殑澶嶆潅绠楁硶锛屾病蹇呰璁╁鐣岀煡閬撴€庝箞绠楃殑

3. 鈥?strong>鈥嬮槻姝㈠瓙绫讳贡鏀圭埗绫婚€昏緫鈥?/strong>鈥?br/> 鏈変簺绁栦紶浠ｇ爜鐨勬牳蹇冪畻娉曪紝瑕佹槸琚瓙绫婚殢渚胯鐩栵紝鍒嗗垎閽熺郴缁熷穿婧?/p>

锛堢獊鐒跺仠椤匡級杩欐椂鍊欎綘鍙兘浼氶棶锛氶偅private鏂规硶鍒板簳璇ユ€庝箞鐢紵鍒€ワ紝鍜变滑杩欏氨杩涘叆瀹炴垬鐜妭...

涓夈€佺敤浜唒rivate鏂规硶锛屼唬鐮佸畨鍏ㄦ€ц兘鎻愬崌鍚楋紵

锛堜妇鏍楀瓙鏃堕棿锛夊亣璁惧挶浠湁涓鍗曞鐞嗙郴缁燂細

java澶嶅埗
public class 璁㈠崟澶勭悊鍣?{
    // 瀵瑰鏆撮湶鐨勫叕寮€鏂规硶
    public void 澶勭悊璁㈠崟() {
        鏍￠獙鏀粯鐘舵€?);
        鐢熸垚鐗╂祦鍗曞彿();
        // ...鍏朵粬鎿嶄綔
    }
    
    // 钘忚捣鏉ョ殑鏍稿績鏍￠獙
    private boolean 鏍￠獙鏀粯鐘舵€?) {
        // 杩欓噷鍙兘鏈夋敮浠樻帴鍙ｇ殑瀵嗛挜楠岃瘉
    }
}

鈥?strong>鈥嬪畨鍏ㄦ寚鏁扮洿鎺ユ媺婊＄殑绉樿瘈鈥?/strong>鈥嬶細

• 馃敀 鏀粯鏍￠獙閫昏緫涓嶅澶栨毚闇?/li>
• 馃攽 瀵嗛挜淇℃伅瀹屽叏灏佽鍦ㄧ被鍐呴儴
• 馃洝锔?澶栭儴璋冪敤鑰呭彧鑳界湅鍒?澶勭悊璁㈠崟"杩欎釜澶ф祦绋?/li>

锛堝皬澹癰b锛夎鍙ュ疄璇濓紝寰堝鏂版墜鍐欑殑浠ｇ爜璺熻８濂斾技鐨勶紝鍏抽敭鏂规硶鍏╬ublic锛岃榛戝涓€鎶撲竴涓噯...

鍥涖€佸皝瑁呮€у埌搴曟€庝箞鐜╋紵鏉ョ湅杩欎釜缁忓吀妗堜緥

锛堟晠浜嬫椂闂达級鍘诲勾甯湅鍙嬪叕鍙告晳鐏紝浠栦滑鏈変釜鍟嗗搧搴撳瓨绯荤粺鎬诲嚭bug銆傛垜涓€鐪嬩唬鐮侊細

java澶嶅埗
public class 搴撳瓨绠＄悊 {
    public void 淇敼搴撳瓨() { 
        // 鐩存帴鎿嶄綔鏁版嵁搴?/span>
    }
}

缁撴灉杩愯惀閮ㄧ殑鍚屼簨璇搷浣滅洿鎺ヨ皟鐢ㄤ簡杩欎釜鏂规硶锛屽鑷村簱瀛樻暟鎹叏涔便€傛垜鐨勬敼閫犳柟妗堝氨涓ゆ锛?/p>

1. 鎶?code>淇敼搴撳瓨()鏀规垚private
2. 鏂板涓€涓甫鏉冮檺鏍￠獙鐨刾ublic鏂规硶锛?/li>

java澶嶅埗
public void 瀹夊叏淇敼搴撳瓨(鐢ㄦ埛鏉冮檺) {
    if(鏉冮檺鏍￠獙閫氳繃){
        淇敼搴撳瓨();
    }
}

锛堟晥鏋滃睍绀猴級鏀归€犲悗涓変釜鏈堬紝搴撳瓨寮傚父娆℃暟鐩存帴褰掗浂锛佽繖灏辨槸灏佽鐨勯瓟鍔涘晩鏈嬪弸浠綖

浜斻€侀偅浜涘勾鎴戣俯杩囩殑鍧戯細private鏂规硶浣跨敤绂佸繉

锛堣娉暀璁級铏界劧private寰堥锛屼絾鐢ㄩ敊浜嗘洿鍙€曪細

1. 鈥?strong>鈥嬭繃搴﹀皝瑁呭鑷翠唬鐮佽噧鑲库€?/strong>鈥?br/> 瑙佽繃鏈変汉鎶?0涓猵rivate鏂规硶濉炶繘涓€涓被锛岀淮鎶よ捣鏉ヨ浜哄懡
2. 鈥?strong>鈥嬫祴璇曟椂寮虹敤鍙嶅皠璋冪敤鈥?/strong>鈥?br/> 涓轰簡娴媝rivate鏂规硶纭笂鍙嶅皠锛屽氨鍍忎负浜嗗悆鏍告鐢ㄩ敜瀛愮牳鎵嬫満鈥斺€斿緱涓嶅伩澶?/li>
3. 鈥?strong>鈥嬭public鐨勯潪瑕乸rivate鈥?/strong>鈥?br/> 鏈変簺鍩虹宸ュ叿鏂规硶钘忕潃鎺栫潃锛屾渶鍚庨噸澶嶉€犺疆瀛?/li>

锛堢獊鐒舵缁忥級鎴戠殑涓汉缁忛獙鏄細鈥?strong>鈥嬪儚璁捐瀵嗗閫冭劚涓€鏍疯璁＄被鈥?/strong>鈥嬨€傝钘忕殑涓滆タ缁濆涓嶇暀绾跨储锛屼絾閫冪敓閫氶亾锛堝澶栨帴鍙ｏ級蹇呴』娓呮櫚鏄庣‘銆?/p>

鍏€佺粓鏋佺伒榄傛嫹闂細private鏂规硶搴旇鍗犲灏戞瘮渚嬶紵

锛堟暟鎹璇濓級鏍规嵁鎴戝垎鏋愯繃鐨勪笂鐧句釜寮€婧愰」鐩細

• 宸ュ叿绫伙細private鏂规硶鍗犳瘮60%-80%
• 涓氬姟绫伙細鎺у埗鍦?0%-50%姣旇緝鍚堥€?/li>
• 鐗规畩鍦烘櫙锛堝鍗曚緥妯″紡锛夛細鍙兘楂樿揪90%

锛堜妇涓弽渚嬶級涓婃review鏂颁汉鐨勪唬鐮侊紝2000琛岀殑绫婚噷灏?涓猵rivate鏂规硶銆傚ソ瀹朵紮锛屾暣涓被璺熻彍甯傚満浼肩殑璋侀兘鑳芥潵鏀逛袱绗旓紝鍑篵ug绠€鐩存槸蹇呯劧浜嬩欢锛?/p>

涓冦€佷釜浜虹璐ф椂闂达細鎴戝private鏂规硶鐨勫彟绫荤悊瑙?/h3>

锛堣鐐归璀︼級寰堝浜烘妸private鍗曠函褰撲綔璁块棶鎺у埗锛屼絾鎴戣寰楀畠鏇村儚鏄€?strong>鈥嬩唬鐮佺殑"闃插憜璁捐"鈥?/strong>鈥嬨€備妇涓緥瀛愶紝鍜变滑鍏徃鐨勫挅鍟℃満锛?/p>

• public鏂规硶锛氭姇甯併€侀€夊挅鍟?/li>
• private鏂规硶锛氬姞鐑按娓┿€佽绠楀師鏂欓厤姣?/li>

杩欐牱璁捐鐨勫ソ澶勬槸浠€涔堬紵灏辩畻鏂版潵鐨勫疄涔犵敓涔辨寜鎸夐挳锛岃嚦灏戜笉浼氭妸閿呯倝缁欑偢浜嗭紙绗戯級銆傚啓浠ｇ爜涔熸槸鍚屾牱鐨勯亾鐞嗭紝鈥?strong>鈥嬫妸鍗遍櫓鎿嶄綔閿佽繘淇濋櫓绠憋紝鎶婂畨鍏ㄦ帴鍙ｅ仛寰楃畝鍗曟槑浜嗏€?/strong>鈥嬶紝杩欐墠鏄珮鎵嬬殑鍋氭硶銆?/p>

锛堟渶鍚庡彯鍢憋級璁颁綇鍟婂悇浣嶏紝private鏂规硶涓嶆槸钘忕潃鎺栫潃锛岃€屾槸涓轰簡鏇翠紭闆呭湴寮€鏀撅紒灏卞儚楂樼骇椁愬巺鐨勫悗鍘紝铏界劧涓嶈椤惧杩涳紝浣嗙鍑烘潵鐨勮彍涓釜閮芥槸绮惧搧銆傚挶浠笅鏈熷啀瑙侊綖

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