馃 "涓轰粈涔堟垜鐨勪唬鐮佹€绘槸琚悓浜嬪悙妲藉儚鍧ㄥ睅锛?

鍝庡摕鍠傦紒鍒氬Java閭ｄ細鍎匡紝鎴戝啓鐨勪唬鐮佸氨璺熻劚缂扮殑閲庨┈浼肩殑鈥斺€旀墍鏈夊瓧娈甸兘鏄痯ublic鐨勶紝鏁版嵁婊″ぉ椋炪€傜洿鍒拌椤圭洰缁忕悊閫綇涓€椤挎毚鍑伙細"浣犺繖灏佽鏄杺鐙椾簡鍚楋紵" 浠婂ぉ鍜变滑灏辨潵鍞犲敔锛岄偅浜涘勾韪╄繃鐨勫皝瑁呭ぇ鍧?..

馃毃 鈥?strong>鈥嬫柊鎵嬪繀韪╃殑3涓皝瑁呴浄鍖衡€?/strong>鈥?/h3>

1. 鈥?strong>鈥?public澶ф硶濂斤紵"鈥?/strong>鈥?br/> 鎶婂瓧娈靛叏璁炬垚public灏卞儚瑁稿鍑洪棬鈥斺€旀暟鎹殢鏃跺彲鑳借闅斿鑰佺帇绡℃敼銆傝杩囨渶绂昏氨鐨勬渚嬶細鏈変釜鑰佸摜鐩存帴缁欒鍗曢噾棰濊祴璐熸暟锛岃储鍔＄郴缁熷綋鍦虹偢姣?/p>

2. 鈥?strong>鈥?Getter/Setter鍐欏埌鎵嬫娊绛嬶紵"鈥?/strong>鈥?br/> 鏈夌殑灏忎紮浼寸粰姣忎釜瀛楁閮界敓鎴恎etter/setter锛岀粨鏋滄悶鍑?0澶氫釜鏂规硶銆傚叾瀹炲儚鍒涘缓鏃堕棿杩欑涓嶅彲鍙樺瓧娈碉紝鐩存帴缁檖ublic final閮借锛堝埆鎬曪紒鐗规畩鎯呭喌鐗规畩澶勭悊锛?/p>

3. 鈥?strong>鈥?鏍￠獙鏄粈涔堬紵鑳藉悆鍚楋紵"鈥?/strong>鈥?br/> 鐪嬭繖娈靛嵄闄╀唬鐮侊細

java澶嶅埗
public void setAge(int age) {
    this.age = age; // 鏁紶-18杩涙潵锛熷垎鍒嗛挓璁╀綘瑙佽瘑绀句細闄╂伓
}

鈥?strong>鈥嬫纭Э鍔库€?/strong>鈥嬶細鍔犱釜if鍒ゆ柇浼氭鍟婏紵锛?/p>

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馃洜锔?鈥?strong>鈥嬫晳鍛斤紒鎬庝箞浼橀泤灏佽锛熲€?/strong>鈥?/h3>

鉁?鈥?strong>鈥嬮粍閲戜笁鍘熷垯鈥?/strong>鈥?/h4>

• 鈥?strong>鈥?鑳絧rivate灏变笉public"鈥?/strong>鈥嬶紙璺熼挶鐩稿叧鐨勫瓧娈靛挨鍏惰閿佹锛?/li>
• 鈥?strong>鈥?鏍￠獙瑕佸儚鑰佸瀛愪竴鏍峰暟鍡?鈥?/strong>鈥嬶紙鍙傛暟妫€鏌ャ€佺┖鍊煎鐞嗐€佸紓甯告姏鍑猴級
• 鈥?strong>鈥?鐩稿叧鎿嶄綔鎵撳寘甯﹁蛋"鈥?/strong>鈥嬶紙姣斿淇敼瀵嗙爜蹇呴』杩炲甫璁板綍鎿嶄綔鏃ュ織锛?/li>

鈥?strong>鈥嬩妇涓牀瀛愷煂扳€?/strong>鈥嬶細鐢ㄦ埛绫绘敼閫犺鍒?/p>

java澶嶅埗
// 閿欒绀鸿寖
public class User {
    public String password; // 杩欒窡鎶婇摱琛屽崱瀵嗙爜璐磋剳闂ㄤ笂鏈変粈涔堝尯鍒紵
}

// 鏀归€犲悗
public class User {
    private String password;
    
    public void changePassword(String oldPass, String newPass) {
        if(!BCrypt.checkpw(oldPass, this.password)) {
            throw new SecurityException("鍘熷瘑鐮佷笉瀵硅繕鎯虫敼锛熼棬閮芥病鏈夛紒");
        }
        this.password = BCrypt.hashpw(newPass);
        logSecurityAction("淇敼瀵嗙爜"); // 鑷姩璁板綍瀹夊叏鏃ュ織
    }
}

---

馃く 鈥?strong>鈥?涓嶅皝瑁呬細鎬庢牱锛熻瘯璇曞氨閫濅笘锛?鈥?/strong>鈥?/h3>

涓婂懆浜茬溂鐪嬭鍚屼簨鍐欑殑璐墿杞︾被锛屾墍鏈夊瓧娈甸兘鏄痯ublic銆傜粨鏋滐細

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• 鎬讳环璁＄畻鐩存帴鏆撮湶鍦?0涓笉鍚岀被閲岋紙鏀逛釜璁＄畻鍏紡寰楀叏鐩樻帹缈伙級
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鈥?strong>鈥嬭娉暀璁€?/strong>鈥嬶細娌″皝瑁呯殑椤圭洰灏卞儚娌¤鍒硅溅鐨勮窇杞︼紝杩熸棭瑕佺炕锛?/p>

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馃搳 鈥?strong>鈥嬪皝瑁呭喅绛栬〃锛堜笁绉掗€熸煡锛夆€?/strong>鈥?/h3>

鍦烘櫙	鎺ㄨ崘鏂规	鍙嶉潰鏁欐潗
鐢ㄦ埛鏁忔劅鏁版嵁	private + 鍔犲瘑鏂规硶	public String password
甯搁噺閰嶇疆	public static final	姣忎釜绫婚噸澶嶅畾涔?/td>
瀵硅薄鍒涘缓杩囩▼	宸ュ巶鏂规硶灏佽	鍒板new瀵硅薄
澶嶆潅涓氬姟鏍￠獙	鐙珛鏍￠獙鏂规硶	鍦╯etter閲屽啓200琛屽垽鏂?/td>

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馃挕 鈥?strong>鈥嬬嫭瀹惰瑙ｏ細灏佽鐨勯殣钘忕鍒┾€?/strong>鈥?/h3>

骞蹭簡浜斿勾Java寮€鍙戞墠鍙戠幇锛屽ソ鐨勫皝瑁呰兘甯︽潵鎰忓鎯婂枩锛?/p>

1. 鈥?strong>鈥嬭皟璇曟晥鐜囩炕鍊嶁€?/strong>鈥嬶紙鎵€鏈変慨鏀瑰叆鍙ｉ兘鍦ㄦ湰绫伙紝涓嶇敤婊′笘鐣屾壘锛?/li>
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3. 鈥?strong>鈥嬪姞钖鐮?1鈥?/strong>鈥嬶紙浠ｇ爜璐ㄩ噺鑲夌溂鍙鍦版彁鍗囷級

涓婁釜鏈堢敤灏佽澶ф硶閲嶆瀯浜嗚鍗曟ā鍧楋紝鈥?strong>鈥媌ug鐜囩洿鎺ラ檷浜?0%鈥?/strong>鈥嬶紒椤圭洰缁忕悊鐪嬫垜鐨勭溂绁為兘鎱堢ゥ浜嗚澶氾綖

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馃幆 鈥?strong>鈥嬬粓鏋佺伒榄傛嫹闂€?/strong>鈥?/h3>

Q锛氭瘡涓瓧娈甸兘瑕佸啓getter/setter鍚楋紵
A锛歂o锛佸儚List users杩欑闆嗗悎瀛楁锛屽簲璇ユ彁渚?code>addUser()銆?code>removeUser()绛変笟鍔℃柟娉曪紝鑰屼笉鏄畝鍗曟毚闇瞫etter

Q锛氱户鎵夸細鐮村潖灏佽鍚楋紵
A锛氫細锛佹墍浠ョ埗绫诲瓧娈靛敖閲忕敤private锛宲rotected涔熻鎱庣敤銆傝杩囨渶鍧戠殑缁ф壙浜嬫晠锛氬瓙绫荤洿鎺ヤ慨鏀圭埗绫荤殑protected浣欓瀛楁锛屽鑷磋储鍔″涓嶄笂璐?/p>

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馃殌 鈥?strong>鈥嬫€ц兘鐜勫鏃堕棿鈥?/strong>鈥?/h3>

鎬绘湁浜鸿灏佽褰卞搷鎬ц兘锛屽疄娴嬫暟鎹暘鍟墦鑴革細

• 鐩存帴璁块棶瀛楁锛?.3绾崇/娆?/li>
• 閫氳繃getter璁块棶锛?.1绾崇/娆?/li>
• 浣咼VM鍗虫椂缂栬瘧鍚庝細浼樺寲鍒?.5绾崇鍐?br/> 鈥?strong>鈥嬬粨璁衡€?/strong>鈥嬶細杩欑偣鎹熻€楁瘮璧蜂唬鐮佽川閲忔彁鍗囷紝鏍规湰涓嶅彨浜嬪効锛?/li>

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鈥?strong>鈥嬫渶鍚庣殑纰庣蹇碘€?/strong>鈥嬶細灏佽涓嶆槸鏉熺細锛岃€屾槸缁欎綘鐨勪唬鐮佺┛涓婃櫤鑳界洈鐢层€傝浣忥紝濂界殑灏佽鑳借鍚屼簨瀵逛綘鍐欑殑浠ｇ爜浜х敓"杩欓€昏緫灏辫杩欎箞鍐?鐨勯敊瑙夆€斺€旇繖鎵嶆槸鏈€楂樺鐣岋紒涓嬫瑙佸埌public瀛楁锛岃寰楀ぇ鍠婁竴澹帮細"鍛旓紒鍚冩垜灏佽澶ф硶锛? 馃挭

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