锘??xml version="1.0" encoding="utf-8" standalone="yes"?>亚洲国产另类久久久精品,亚洲人成在线观看,亚洲乱码无限2021芒果http://www.tkk7.com/supernaturalmagician/category/20813.html涓鍒囩殕鏈夊彲鑳?/description>zh-cnTue, 20 Mar 2007 17:07:25 GMTTue, 20 Mar 2007 17:07:25 GMT60涓浜涢潰鍚戝璞$殑璁捐娉曞垯涔嬩簲(杞澆)http://www.tkk7.com/supernaturalmagician/articles/105030.html鑺辯敓鑺辯敓Tue, 20 Mar 2007 08:45:00 GMThttp://www.tkk7.com/supernaturalmagician/articles/105030.htmlhttp://www.tkk7.com/supernaturalmagician/comments/105030.htmlhttp://www.tkk7.com/supernaturalmagician/articles/105030.html#Feedback0http://www.tkk7.com/supernaturalmagician/comments/commentRss/105030.htmlhttp://www.tkk7.com/supernaturalmagician/services/trackbacks/105030.html闃呰鍏ㄦ枃

鑺辯敓 2007-03-20 16:45 鍙戣〃璇勮
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涓浜涢潰鍚戝璞$殑璁捐娉曞垯涔嬪洓(杞澆)http://www.tkk7.com/supernaturalmagician/articles/105028.html鑺辯敓鑺辯敓Tue, 20 Mar 2007 08:42:00 GMThttp://www.tkk7.com/supernaturalmagician/articles/105028.htmlhttp://www.tkk7.com/supernaturalmagician/comments/105028.htmlhttp://www.tkk7.com/supernaturalmagician/articles/105028.html#Feedback0http://www.tkk7.com/supernaturalmagician/comments/commentRss/105028.htmlhttp://www.tkk7.com/supernaturalmagician/services/trackbacks/105028.html闃呰鍏ㄦ枃

鑺辯敓 2007-03-20 16:42 鍙戣〃璇勮
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涓浜涢潰鍚戝璞$殑璁捐娉曞垯涔嬩笁(杞澆)http://www.tkk7.com/supernaturalmagician/articles/105027.html鑺辯敓鑺辯敓Tue, 20 Mar 2007 08:39:00 GMThttp://www.tkk7.com/supernaturalmagician/articles/105027.htmlhttp://www.tkk7.com/supernaturalmagician/comments/105027.htmlhttp://www.tkk7.com/supernaturalmagician/articles/105027.html#Feedback0http://www.tkk7.com/supernaturalmagician/comments/commentRss/105027.htmlhttp://www.tkk7.com/supernaturalmagician/services/trackbacks/105027.html 娉曞垯 #3 錛氶拡瀵規(guī)帴鍙g紪紼嬶紝鑰岄潪錛堟帴鍙g殑錛夊疄鐜?/span>

[ Program To An Interface, Not An Implementation ]

鎺ュ彛

n聽聽聽聽聽聽聽聽 鎺ュ彛 鏄竴涓璞″湪瀵瑰叾瀹冪殑瀵硅薄榪涜璋冪敤鏃舵墍鐭ラ亾鐨勬柟娉曢泦鍚堛?/span>

n聽聽聽聽聽聽聽聽 涓涓璞″彲浠ユ湁澶氫釜鎺ュ彛錛堝疄闄呬笂錛屾帴鍙f槸瀵硅薄鎵鏈夋柟娉曠殑涓涓瓙闆嗭級

n聽聽聽聽聽聽聽聽 綾誨瀷 鏄璞$殑涓涓壒瀹氱殑鎺ュ彛銆?/span>

n聽聽聽聽聽聽聽聽 涓嶅悓鐨勫璞″彲浠ュ叿鏈夌浉鍚岀殑綾誨瀷錛岃屼笖涓涓璞″彲浠ュ叿鏈夊涓笉鍚岀殑綾誨瀷銆?/span>

n聽聽聽聽聽聽聽聽 涓涓璞′粎鑳介氳繃鍏舵帴鍙f墠浼?xì)琚叾瀹冨璞℃墍浜嗚В銆?/span>

n聽聽聽聽聽聽聽聽 鏌愮鎰忎箟涓婏紝鎺ュ彛鏄互涓縐嶉潪甯稿眬闄愮殑鏂瑰紡錛屽皢鈥滄槸涓縐?/span> 鈥?/span> 鈥濊〃杈句負(fù)鈥滀竴縐嶆敮鎸佽鎺ュ彛鐨?/span> 鈥?/span> 鈥濄?/span>

n聽聽聽聽聽聽聽聽 鎺ュ彛鏄疄鐜版彃浠跺寲錛?/span> pluggability 錛夌殑鍏抽敭

瀹炵幇緇ф壙鍜屾帴鍙g戶鎵?/font>

n聽聽聽聽聽聽聽聽 瀹炵幇緇ф壙 錛?i>綾葷戶鎵?/i>錛夛細(xì)涓涓璞$殑瀹炵幇鏄牴鎹彟涓涓璞$殑瀹炵幇鏉ュ畾涔夌殑銆?/span>

n聽聽聽聽聽聽聽聽 鎺ュ彛緇ф壙 錛?i>瀛愮被鍨嬪寲錛夛細(xì)鎻忚堪浜嗕竴涓璞″彲鍦ㄤ粈涔堟椂鍊欒鐢ㄦ潵鏇夸唬鍙︿竴涓璞°?/span>

n聽聽聽聽聽聽聽聽 C++ 鐨勭戶鎵挎満鍒舵棦鎸囩被緇ф壙錛屽張鎸囨帴鍙g戶鎵褲?/span>

n聽聽聽聽聽聽聽聽 C++ 閫氳繃緇ф壙綰櫄綾繪潵瀹炵幇鎺ュ彛緇ф壙銆?/span>

n聽聽聽聽聽聽聽聽 Java 瀵規(guī)帴鍙g戶鎵垮叿鏈夊崟鐙殑璇█鏋勯犳柟寮忥紞 Java 鎺ュ彛銆?/span>

n聽聽聽聽聽聽聽聽 Java 鎺ュ彛鏋勯犳柟寮忔洿鍔犳槗浜庤〃杈懼拰瀹炵幇閭d簺涓撴敞浜庡璞℃帴鍙g殑璁捐銆?/span>

鎺ュ彛鐨勫ソ澶?/font>

n聽聽聽聽聽聽聽聽 浼樼偣錛?/span>

F聽聽聽聽聽聽聽 Client 涓嶅繀鐭ラ亾鍏朵嬌鐢ㄥ璞$殑鍏蜂綋鎵灞炵被銆?/span>

F聽聽聽聽聽聽聽 涓涓璞″彲浠ュ緢瀹規(guī)槗鍦拌錛堝疄鐜頒簡鐩稿悓鎺ュ彛鐨勶級鐨勫彟涓涓璞℃墍鏇挎崲銆?/span>

F聽聽聽聽聽聽聽 瀵硅薄闂寸殑榪炴帴涓嶅繀紜粦瀹氾紙 hardwire 錛夊埌涓涓叿浣撶被鐨勫璞′笂錛屽洜姝ゅ鍔犱簡鐏墊椿鎬с?/span>

F聽聽聽聽聽聽聽 鏉炬暎钘曞悎錛?/span> loosens coupling 錛夈?/span>

F聽聽聽聽聽聽聽 澧炲姞浜嗛噸鐢ㄧ殑鍙兘鎬с?/span>

F聽聽聽聽聽聽聽 鎻愰珮浜嗭紙瀵硅薄錛夌粍鍚堢殑鏈虹巼錛屽洜涓鴻鍖呭惈瀵硅薄鍙互鏄換浣曞疄鐜頒簡涓涓寚瀹氭帴鍙g殑綾匯?/span>

n聽聽聽聽聽聽聽聽 緙虹偣錛?/span>

F聽聽聽聽聽聽聽 璁捐鐨勫鏉傛х暐鏈夊鍔?/span>

錛堣瘧鑰呮敞錛氭帴鍙h〃紺衡?/span> 鈥?/span> 鍍?/span> 鈥?/span> 鈥濓紙 LikeA 錛夌殑鍏崇郴錛岀戶鎵胯〃紺衡?/span> 鈥?/span> 鏄?/span> 鈥?/span> 鈥濓紙 IsA 錛夌殑鍏崇郴錛岀粍鍚堣〃紺衡?/span> 鈥?/span> 鏈?/span> 鈥?/span> 鈥濓紙 HasA 錛夌殑鍏崇郴銆傦級

鎺ュ彛瀹炰緥

/**

聽聽聽聽 * Interface IManeuverable provides the specification

聽聽聽聽 * for a maneuverable vehicle.

聽聽聽聽 */

聽聽聽 public interface IManeuverable

聽聽聽聽 {

聽聽聽聽聽聽聽聽 public void left();

聽聽聽聽聽聽聽聽 public void right();

聽聽聽聽聽聽聽聽 public void forward();

聽聽聽聽聽聽聽聽 public void reverse();

聽聽聽聽聽聽聽聽 public void climb();

聽聽聽聽聽聽聽聽 public void dive();

聽聽聽聽聽聽聽聽 public void setSpeed(double speed);

聽聽聽聽聽聽聽聽 public double getSpeed();

聽聽聽聽 }

聽聽聽聽 public class Car

聽聽聽聽聽聽聽聽 implements IManeuverable { // Code here. }

聽聽聽聽 public class Boat

聽聽聽聽聽聽聽聽 implements IManeuverable { // Code here. }

聽聽聽聽 public class Submarine

聽聽聽聽聽聽聽聽 implements IManeuverable { // Code here. }

n聽聽聽聽聽聽聽聽 璇ユ柟娉曟槸鎸囧叾瀹冪殑涓浜涚被鍙互榪涜浜ら氬伐鍏風(fēng)殑椹鵑┒錛岃屼笉蹇呭叧蹇冨叾瀹為檯涓婃槸浠涔堬紙姹借濺錛岃疆鑸癸紝娼滆墖錛夋垨鑰呭叾鍦ㄤ粈涔堢戶鎵挎灦鏋勯噷闈€?/span>

聽聽聽聽 public void travel(IManeuverable vehicle)

聽聽聽聽 {

聽聽聽聽聽聽聽聽 vehicle.setSpeed(35.0);

聽聽聽聽聽聽聽聽 vehicle.forward();

聽聽聽聽聽聽聽聽 vehicle.left();

聽聽聽聽聽聽聽聽 vehicle.climb();

聽聽聽聽 }



鑺辯敓 2007-03-20 16:39 鍙戣〃璇勮
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涓浜涢潰鍚戝璞$殑璁捐娉曞垯涔嬩簩(杞澆)http://www.tkk7.com/supernaturalmagician/articles/105019.html鑺辯敓鑺辯敓Tue, 20 Mar 2007 08:22:00 GMThttp://www.tkk7.com/supernaturalmagician/articles/105019.htmlhttp://www.tkk7.com/supernaturalmagician/comments/105019.htmlhttp://www.tkk7.com/supernaturalmagician/articles/105019.html#Feedback0http://www.tkk7.com/supernaturalmagician/comments/commentRss/105019.htmlhttp://www.tkk7.com/supernaturalmagician/services/trackbacks/105019.html闃呰鍏ㄦ枃

鑺辯敓 2007-03-20 16:22 鍙戣〃璇勮
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涓浜涢潰鍚戝璞$殑璁捐娉曞垯涔嬩竴(杞澆)http://www.tkk7.com/supernaturalmagician/articles/JAVA.html鑺辯敓鑺辯敓Tue, 20 Mar 2007 07:59:00 GMThttp://www.tkk7.com/supernaturalmagician/articles/JAVA.htmlhttp://www.tkk7.com/supernaturalmagician/comments/105009.htmlhttp://www.tkk7.com/supernaturalmagician/articles/JAVA.html#Feedback0http://www.tkk7.com/supernaturalmagician/comments/commentRss/105009.htmlhttp://www.tkk7.com/supernaturalmagician/services/trackbacks/105009.html
涓浜?span lang="EN-US">
闈㈠悜瀵硅薄鐨?br />
璁捐
娉曞垯

Bob Tarr 钁?/span>

outmyth 璇?/span>

mahope 鏍?/span>聽


n聽聽聽聽聽聽聽聽

娉曞垯 #1 錛氬皢綾誨拰鎴愬憳鐨勫彲璁塊棶鎬ф渶灝忓寲

[Minimize The Accessibility of Classes and Members]

鎶借薄 鐨勫惈涔?/span>

n聽聽聽聽聽聽聽聽 Tony Hoare: 鈥?/span> 鎶借薄 璧鋒簮浜庡鐪熷疄涓栫晫涓殑瀵硅薄銆佷簨鎬併佽繃紼嬩箣闂寸殑鐩鎬技鎬х殑璁よ瘑錛屼互鍙婂湪鑱氶泦榪欎簺鐩鎬技鎬х殑鍚屾椂蹇界暐宸紓鎬х殑鍐沖績 鈥? 錛?/span>

n聽聽聽聽聽聽聽聽 Grady Booch: 鈥?/span> 鎶借薄 琛ㄧず涓涓璞″尯鍒笌鍏朵粬綾誨埆鐨勫璞$殑鏈川鐗瑰緛錛屼粠鑰岀浉瀵逛簬瑙傚療鑰呯殑瑙掑害鏉ヨ錛屼負(fù)鍏舵彁渚涗簡鏄庣‘瀹氫箟鐨勬蹇佃竟鐣?/span> 鈥?/span> 錛?/span>

n聽聽聽聽聽聽聽聽 鎶借薄 鏄鐞嗗鏉備簨鐗╃殑鍩烘湰鏂規(guī)硶涔嬩竴錛?/span>

n聽聽聽聽聽聽聽聽 鎶借薄 鍏蟲敞瀵硅薄鐨勫閮ㄨ鍥懼茍灝嗗叾琛屼負(fù)涓庡畠鐨勫疄鐜伴殧紱誨紑鏉ャ?/span>

灝佽

n聽聽聽聽聽聽聽聽 Grady Booch: 鈥?/span> 灝佽 鏄垝鍒?i style="mso-bidi-font-style: normal">鎶借薄鐨勫厓绱犵殑榪囩▼錛岃繖浜涘厓绱犳瀯鎴愪簡鎶借薄鐨勭粨鏋勫拰琛屼負(fù)錛涘皝瑁呯殑鍔熻兘鏄皢鎶借薄鐨勫綰︽帴鍙d笌鍏跺疄鐜板垎寮 鈥?/span> 錛?/span>

n聽聽聽聽聽聽聽聽 Craig Larman: 鈥?/span> 灝佽 鏄殣钘忓璞$殑鏁版嵁銆佸唴閮ㄧ粨鏋勫拰瀹炵幇緇嗚妭鐨勬満鍒躲傛墍鏈変笌瀵硅薄鐨勪氦浜掗兘鏄氳繃鍏叡鎿嶄綔榪欎釜鎺ュ彛 鈥?/span> 錛?/span>

n聽聽聽聽聽聽聽聽 綾誨簲璇ユ槸涓嶉忔槑鐨勶紱

n聽聽聽聽聽聽聽聽 綾諱笉搴旀毚闇插叾鍐呴儴瀹炵幇緇嗚妭銆?/span>

Java 涓殑淇℃伅闅愯棌

n聽聽聽聽聽聽聽聽 灝藉彲鑳界浣跨敤縐佹湁鎴愬憳鍜岀浉搴旂殑璁塊棶鍣?/span> / 淇敼鍣紙 accessors and mutators 錛?/span>

n聽聽聽聽聽聽聽聽 涓句緥錛?/span>

鏇挎崲

聽public double speed;

涓?/span>

聽聽聽聽 private double speed;

聽聽聽聽 public double getSpeed()

聽聽聽聽 {

聽聽聽聽聽聽聽聽 return (speed);

聽聽聽聽 }

聽聽聽聽 public void setSpeed(double newSpeed)

聽聽聽聽 {

聽聽聽聽聽聽聽聽 speed = newSpeed;

}

浣跨敤璁塊棶鍣?/span> / 淇敼鍣紝鑰屼笉鏄叡鏈夋垚鍛?/span>

n聽聽聽聽聽聽聽聽 浣犲彲浠ュ湪鍊間笂闄勫姞綰︽潫鏉′歡

聽聽聽聽 public void setSpeed(double newSpeed)

聽聽聽聽 {

聽聽聽聽聽聽聽聽 if (newSpeed < 0)

聽聽聽聽聽聽聽聽 {

聽聽聽聽聽聽聽聽聽聽聽聽聽 sendErrorMessage(...);

聽聽聽聽聽聽聽聽聽聽聽聽聽 newSpeed = Math.abs(newSpeed);

聽聽聽聽聽聽聽聽 }

聽聽聽聽聽聽聽聽 speed = newSpeed;

聽聽聽聽 }

n聽聽聽聽聽聽聽聽 濡傛灉浣跨敤浣犵殑綾葷殑鐢ㄦ埛鐩存帴璁塊棶綾葷殑瀛楁錛岄偅涔堜粬浠篃浼?xì)鎷呰礋妫鏌ョ害鏉熸潯浠剁殑璐d換

n聽聽聽聽聽聽聽聽 浣犲彲浠ユ敼鍙樼被鐨勫唴閮ㄨ〃紺鴻屼笉鐢ㄦ敼鍙樻帴鍙?/span>

聽聽聽聽 // Now using metric units (kph, not mph)

聽聽聽聽 public void setSpeedInMPH(double newSpeed)

聽聽聽聽 {

聽聽聽聽聽聽聽聽 speedInKPH = convert(newSpeed);

聽聽聽聽 }

聽聽聽聽 public void setSpeedInKPH(double newSpeed)

聽聽聽聽 {

聽聽聽聽聽聽聽聽 speedInKPH = newSpeed;

聽聽聽聽 }

n聽聽聽聽聽聽聽聽 浣犲彲浠ユ墽琛屼換鎰忕殑闄勫姞鏁堟灉

聽聽聽聽 public double setSpeed(double newSpeed)

聽聽聽聽 {

聽聽聽聽聽聽聽聽 speed = newSpeed;

聽聽聽聽聽聽聽聽 notifyObservers();

聽聽聽聽 }

n聽聽聽聽聽聽聽聽 濡傛灉浣跨敤浣犵殑綾葷殑鐢ㄦ埛鐩存帴璁塊棶綾葷殑瀛楁錛岄偅涔堜粬浠篃浼?xì)鎷呰礋鎵ц闄勫姞鏁堟灉鐨勮矗鋼Q



鑺辯敓 2007-03-20 15:59 鍙戣〃璇勮
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