锘??xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>&#20122;&#27954;&#29087;&#22919;&#97;&#118;&#21320;&#22812;&#26080;&#30721;&#19981;&#21345;&#44;&#25104;&#20154;&#20122;&#27954;&#22269;&#20135;&#118;&#97;&#22825;&#22530;&#44;&#26368;&#26032;&#22269;&#20135;&#25104;&#20154;&#20122;&#27954;&#31934;&#21697;&#24433;&#38498;</title><link>http://www.tkk7.com/chargie/</link><description>Jason's Java Space</description><language>zh-cn</language><lastBuildDate>Sun, 11 May 2025 02:03:13 GMT</lastBuildDate><pubDate>Sun, 11 May 2025 02:03:13 GMT</pubDate><ttl>60</ttl><item><title>New feature in Tiger: Generic Type</title><link>http://www.tkk7.com/chargie/archive/2005/08/11/9821.html</link><dc:creator>Jason</dc:creator><author>Jason</author><pubDate>Thu, 11 Aug 2005 07:46:00 GMT</pubDate><guid>http://www.tkk7.com/chargie/archive/2005/08/11/9821.html</guid><wfw:comment>http://www.tkk7.com/chargie/comments/9821.html</wfw:comment><comments>http://www.tkk7.com/chargie/archive/2005/08/11/9821.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/chargie/comments/commentRss/9821.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/chargie/services/trackbacks/9821.html</trackback:ping><description><![CDATA[Generic type in Tiger<br>
1. 鍙楅檺鑼冨瀷鏄寚綾誨瀷鍙傛暟鐨勫彇鍊艱寖鍥存槸鍙楀埌闄愬埗鐨? extends鍏抽敭瀛椾笉浠呬粎鍙互鐢ㄦ潵澹版槑綾葷殑緇ф壙鍏崇郴, 涔熷彲浠ョ敤鏉ュ０鏄庣被鍨嬪弬鏁?type
parameter)鐨勫彈闄愬叧緋?渚嬪, 鎴戜滑鍙渶瑕佷竴涓瓨鏀炬暟瀛楃殑鍒楄〃, 鍖呮嫭鏁存暟(Long, Integer, Short),
瀹炴暟(Double, Float), 涓嶈兘鐢ㄦ潵瀛樻斁鍏朵粬綾誨瀷, 渚嬪瀛楃涓?String), 涔熷氨鏄,
瑕佹妸綾誨瀷鍙傛暟T鐨勫彇鍊艱寖鍨嬮檺鍒跺湪Number鏋佸叾瀛愮被涓?鍦ㄨ繖縐嶆儏鍐典笅, 鎴戜滑灝卞彲浠ヤ嬌鐢╡xtends鍏抽敭瀛楁妸綾誨瀷鍙傛暟(type
parameter)闄愬埗涓烘暟瀛?<br>
2. 鍦ㄥ垱寤鴻寖鍨嬬被鐨勫璞＄殑鏃跺�? 鍜屽垱寤烘櫘閫氬璞″熀鏈被浼? 蹇呴』鎻愪緵鍏蜂綋鐨勭被綾誨瀷鏉ユ浛浠ｇ被鍨嬪弬鏁癟 (J2SE 5.0鐩墠涓嶆敮鎸佸師濮嬬被鍨嬩綔涓虹被鍨嬪弬鏁?type parameter)).<br>
3. T鍜孷铏界劧鐪嬭搗鏉ユ槸涓や釜涓嶅悓鐨勭被鍨嬪弬鏁? 浣嗘槸鍦ㄤ嬌鐢ㄨ繖涓寖鍨嬬被鐨勬椂鍊? T鍜孷寰堟湁鍙兘琚浛鎹㈡垚鍚屼竴縐嶇被鍨? 鍥犳鍦ㄥ０鏄庡涓被鍨嬪弬鏁扮殑鑼冨瀷綾繪椂, 瑕佹敞鎰忛伩鍏嶈繖縐嶄簩涔?br>
鎬ч敊璇?<br>
4. J2SE 5.0涓彁渚涗簡鑼冨瀷鐨勯�氶厤絎??", "?"鍙互鐢ㄦ潵浠ｆ浛浠諱綍綾誨瀷, 渚嬪浣跨敤閫氶厤絎︽潵瀹炵幇print鏂規(guī)硶<br>
public static void print(GenList&lt;?&gt; list) {}<br>
鑰岄潪 public static void print(GenList&lt;T&gt; list){}<br>
5. 鑼冨瀷鐨勪竴浜涘眬闄?br>
5.1 綾誨瀷鍙傛暟涓嶈兘瀹炰緥鍖栵紝渚嬪<br>
T t = new T(); // compiling error<br>
5.2 涓嶈兘瀹炰緥鍖栫被鍨嬪弬鏁扮殑鏁扮粍<br>
T[] ts = new T[10]; //compilation error<br>
5.3 綾葷殑闈欐�佸彉閲忎笉鑳藉０鏄庝負(fù)綾誨瀷鍙傛暟綾誨瀷<br>
public class GenClass&lt;T&gt; {<br>
&nbsp;&nbsp;&nbsp; private static T t; // compiling error<br>
}<br>
5.4 鑼冨瀷綾諱笉鑳界戶鎵胯嚜Throwable浠ュ強(qiáng)鍏跺瓙綾?br>
public GenExpection&lt;T&gt; extends Exception{} // compiling error<br>
<br>
<a >The artical in dW.</a><br>
<img src ="http://www.tkk7.com/chargie/aggbug/9821.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/chargie/" target="_blank">Jason</a> 2005-08-11 15:46 <a href="http://www.tkk7.com/chargie/archive/2005/08/11/9821.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>New feature in Tiger: Enum</title><link>http://www.tkk7.com/chargie/archive/2005/07/30/8788.html</link><dc:creator>Jason</dc:creator><author>Jason</author><pubDate>Sat, 30 Jul 2005 08:51:00 GMT</pubDate><guid>http://www.tkk7.com/chargie/archive/2005/07/30/8788.html</guid><wfw:comment>http://www.tkk7.com/chargie/comments/8788.html</wfw:comment><comments>http://www.tkk7.com/chargie/archive/2005/07/30/8788.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.tkk7.com/chargie/comments/commentRss/8788.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/chargie/services/trackbacks/8788.html</trackback:ping><description><![CDATA[1.鎵�鏈夊垱寤虹殑鏋氫婦綾誨瀷閮芥墿灞曚簬 java.lang.Enum. Enum 鏄湪J2SE 5.0
閲屽畾涔夌殑涓�涓柊綾伙紝瀹冩湰韜笉鏄灇涓劇被鍨?鍦ㄥ垱寤烘灇涓劇被鍨嬫椂錛屽繀欏葷敤enum
鍏抽敭瀛楋紝涓嶈兘鐩存帴鍦板畾涔変竴涓戶鎵縀num鐨勭被鏉ュ垱寤轟竴涓灇涓劇被鍨嬶紝灝界鎵�鏈夊垱寤虹殑鏋氫婦綾誨瀷瀹為檯涓婇兘鏄疎num 鐨勫瓙綾? 濡傛灉鐩存帴緇ф壙Enum錛?
compiler 灝變細(xì)鎶ラ敊(浼?xì)瀵艰嚧缂栬瘧閿欒?.<br>
2.鏋氫婦綾誨瀷閲屽畾涔夌殑姣忎竴涓�奸兘鏄灇涓劇被鍨嬬殑涓�涓疄渚?姣旀柟璇碒igh鏄疨riority鐨勪竴涓疄渚?鏋氫婦綾誨瀷鍙堟槸鎵╁睍浜嶦num. 鎵�浠ユ灇涓劇被鍨嬬殑姣忎竴涓�煎０鏄庢椂錛?緙虹渷鏃墮兘灝嗘槧灝勫埌Enum(String name, int ordinal) 鏋勯�犲嚱鏁頒腑.<br>
3.姣忎竴涓垱寤虹殑鏋氫婦綾誨瀷閮芥槸Enum 鐨勫瓙綾伙紝闄や簡涓婇潰璋冪敤鐖剁被 Enum 鐨勬瀯閫犲嚱鏁板錛屾灇涓劇被鍨嬪彲浠ヤ嬌鐢ㄥ弬鏁頒負(fù)瀹氫箟涓�浜涜嚜宸辯殑鏋勯�犲嚱鏁?褰撳０鏄庡�兼椂錛屽彧闇�璋冪敤姝ゆ灇涓劇被鍨嬪畾涔夌殑鏋勯�犲嚱鏁幫紝鑰屼笖涓嶅繀娣誨姞 new 鍏抽敭瀛?<br>
4.鏋氫婦綾誨瀷姣忎竴涓�奸兘鏄痯ublic, static and
final鐨?涔熷氨鏄錛岃繖浜涘�兼槸鍞竴鐨勮�屼笖涓�鏃﹀畾涔変簡鏄笉鑳借閲嶅啓鎴栦慨鏀?鑰屼笖灝界鍦ㄦ灇涓劇被鍨嬫瘡涓�涓�煎０鏄庢椂娌℃湁鍑虹幇static鍏抽敭瀛楋紝瀹為檯涓婂�奸兘鏄?
闈欐�佺殑, 鑰屼笖鎴戜滑涓嶈兘鍦ㄥ�煎墠闈㈠姞涓妔tatic, public錛宖inal 淇グ絎?br>
5.涓�鏄繖浜涙灇涓劇被鍨嬬殑鏋勯�犲嚱鏁伴兘鏄鏈夌殑.瀹冩槸涓嶈兘琚叾瀹冪殑綾繪垨鑰呭叾瀹冪殑鏋氫婦綾誨瀷璋冪敤鐨? 鑰屼笖榪欎釜縐佹湁淇グ絎︽槸鐢辯紪璇戝櫒鑷姩鍔犵殑,濡傛灉鎴戜滑瀹氫箟榪欎簺鏋勯�犲嚱鏁版椂,鍦ㄥ墠闈㈠姞涓妏ublic 淇グ絎? 灝變細(xì)瀵艱嚧緙栬瘧閿欒. 浜屾槸鍙橀噺瀹氫箟蹇呴』鍦ㄦ灇涓劇被鍨嬪�煎畾涔変箣鍚? <br>
6.Summary<br>
浣跨敤鏋氫婦綾誨瀷鏄緢綆�鍗曠殑.瀹冨畾涔変竴涓浐瀹氱殑銆佸皝闂殑鍊奸泦鍚堬紝鐒跺悗錛屽湪闇�瑕佽繖浜涘�間腑鐨勬煇涓�涓�兼椂錛屽彲浠ラ�氳繃瀹冪殑鍚嶇О鏉ユ寚瀹氬畠錛岃繖灝辨槸鏋氫婦綾誨瀷鐨勭畝鍗曟�?鏋氫婦
綾誨瀷鐨勫�煎氨鏄灇涓劇被鍨嬬殑瀹炰緥錛岀紪璇戝櫒浼?xì)纭繚娌℃湁浼犲叆鍏朵粬鐨劸c誨瀷錛岃繖灝辨槸鏋氫婦綾誨瀷鐨勫畨鍏ㄦ�?榪欎簺鏋氫婦綾誨瀷灝辨槸綾繪湰韜紝鍥犳錛屽彲浠ュ綾昏繘琛岀殑鎵�鏈夋搷浣滃悓鏍峰彲浠?
浣滅敤浜庢灇涓劇被鍨嬩笂.鎴戜滑瑕佸皬蹇冧嬌鐢ㄦ瀯閫犲嚱鏁板拰鍑芥暟閲嶈澆鏂規(guī)硶錛屼笉瑕佸洜涓鴻繖浜涚壒鎬у彲鐢ㄥ氨浠繪剰浣跨敤瀹冧滑.姣斿鐗瑰畾浜庡父閲忕殑綾諱富浣擄紝澶у鎯呭喌涓嬪彲浠ョ敤Switch
璇彞鏉ヤ唬鏇匡紝鏇村鏄撹浜虹悊瑙ｈ�屼笖涓嶅鏄撳嚭閿?鎴戜滑涔熺湅鍒頒簡Eclipse
3.1騫沖彴瀵規(guī)灇涓劇被鍨嬬殑鏀寔錛屽寘鎷彁渚涘垱寤烘ā鏉匡紝閿欒淇℃伅鎻愮ず絳?鎬諱箣錛屾灇涓劇被鍨嬬殑鐏墊椿搴旂敤鑳芥瀬澶х殑鏂逛究鍜岀畝鍖栦簡鎴戜滑鐨勫紑鍙戝伐浣?<br>
<br>
Original article: <span id="asqckwe"    class="astitle"><a >鍦‥clipse 3.1涓綋楠孞2SE 5.0鐨勬柊鐗規(guī)�?/a></span><img src ="http://www.tkk7.com/chargie/aggbug/8788.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/chargie/" target="_blank">Jason</a> 2005-07-30 16:51 <a href="http://www.tkk7.com/chargie/archive/2005/07/30/8788.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>Begins...</title><link>http://www.tkk7.com/chargie/archive/2005/07/04/7092.html</link><dc:creator>Jason</dc:creator><author>Jason</author><pubDate>Mon, 04 Jul 2005 07:18:00 GMT</pubDate><guid>http://www.tkk7.com/chargie/archive/2005/07/04/7092.html</guid><wfw:comment>http://www.tkk7.com/chargie/comments/7092.html</wfw:comment><comments>http://www.tkk7.com/chargie/archive/2005/07/04/7092.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/chargie/comments/commentRss/7092.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/chargie/services/trackbacks/7092.html</trackback:ping><description><![CDATA[Here is a good place.<br>
We can talk about Java here.<br>
<br>
<img src ="http://www.tkk7.com/chargie/aggbug/7092.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/chargie/" target="_blank">Jason</a> 2005-07-04 15:18 <a href="http://www.tkk7.com/chargie/archive/2005/07/04/7092.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item></channel></rss>                                         <footer>
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