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;&#31934;&#21697;&#32654;&#22899;&#20037;&#20037;&#20037;&#20037;&#44;&#20122;&#27954;&#32508;&#21512;&#20037;&#20037;&#19968;&#26412;&#20234;&#20234;&#21306;&#44;&#20013;&#25991;&#23383;&#24149;&#20122;&#27954;&#32508;&#21512;&#20037;&#20037;&#50;</title><link>http://www.tkk7.com/zoubin/</link><description>濂嬭繘</description><language>zh-cn</language><lastBuildDate>Sun, 11 May 2025 13:00:57 GMT</lastBuildDate><pubDate>Sun, 11 May 2025 13:00:57 GMT</pubDate><ttl>60</ttl><item><title>JAVA鐨勫彲鍙樼被涓庝笉鍙彉綾?/title><link>http://www.tkk7.com/zoubin/archive/2014/09/23/418207.html</link><dc:creator>zoubin</dc:creator><author>zoubin</author><pubDate>Tue, 23 Sep 2014 15:46:00 GMT</pubDate><guid>http://www.tkk7.com/zoubin/archive/2014/09/23/418207.html</guid><wfw:comment>http://www.tkk7.com/zoubin/comments/418207.html</wfw:comment><comments>http://www.tkk7.com/zoubin/archive/2014/09/23/418207.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/zoubin/comments/commentRss/418207.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/zoubin/services/trackbacks/418207.html</trackback:ping><description><![CDATA[<ol style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;"><li>鍙彉綾誨拰涓嶅彲鍙樼被(Mutable and Immutable Objects)鐨勫垵姝ュ畾涔夛細<br />鍙彉綾伙細褰撲綘鑾峰緱榪欎釜綾葷殑涓�涓疄渚嬪紩鐢ㄦ椂錛屼綘鍙互鏀瑰彉榪欎釜瀹炰緥鐨勫唴瀹廣�?br />涓嶅彲鍙樼被錛氬綋浣犺幏寰楄繖涓被鐨勪竴涓疄渚嬪紩鐢ㄦ椂錛屼綘涓嶅彲浠ユ敼鍙樿繖涓疄渚嬬殑鍐呭銆備笉鍙彉綾葷殑瀹炰緥涓�浣嗗垱寤猴紝鍏跺唴鍦ㄦ垚鍛樺彉閲忕殑鍊煎氨涓嶈兘琚慨鏀廣�?/li><li>濡備綍鍒涘緩涓�涓嚜宸辯殑涓嶅彲鍙樼被錛?br />.鎵�鏈夋垚鍛橀兘鏄痯rivate<br />.涓嶆彁渚涘鎴愬憳鐨勬敼鍙樻柟娉曪紝渚嬪錛歴etXXXX<br />.紜繚鎵�鏈夌殑鏂規(guī)硶涓嶄細琚噸杞姐�傛墜孌墊湁涓ょ錛氫嬌鐢╢inal Class(寮轟笉鍙彉綾?錛屾垨鑰呭皢鎵�鏈夌被鏂規(guī)硶鍔犱笂final(寮變笉鍙彉綾?銆?br />.濡傛灉鏌愪竴涓被鎴愬憳涓嶆槸鍘熷鍙橀噺(primitive)鎴栬�呬笉鍙彉綾伙紝蹇呴』閫氳繃鍦ㄦ垚鍛樺垵濮嬪寲(in)鎴栬�単et鏂規(guī)硶(out)鏃墮�氳繃娣卞害clone鏂規(guī)硶錛屾潵紜繚綾葷殑涓嶅彲鍙樸�?/li><li>涓�涓ず渚?/li></ol><p style="margin: 0px 0px 14px; font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">&nbsp;import java.util.Date;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />&nbsp;public final class BrokenPerson&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />&nbsp;{&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />&nbsp;&nbsp;private String firstName;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />&nbsp;&nbsp;private String lastName;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />&nbsp;&nbsp;private Date dob;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />&nbsp;&nbsp;public BrokenPerson( String firstName,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;public BetterPerson( String firstName,&nbsp;<br />&nbsp;&nbsp;&nbsp; String lastName, Date dob)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;String lastName, Date dob)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />&nbsp;&nbsp;{&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;{&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />&nbsp;&nbsp;&nbsp;this.firstName = firstName;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; this.firstName = firstName;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />&nbsp;&nbsp;&nbsp;this.lastName = lastName;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;this.lastName = lastName;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />&nbsp;&nbsp;&nbsp;<strong>this.dob = dob;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;//error&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</strong><strong>&nbsp;this.dob = new Date( dob.getTime() ); //correct<br /></strong>&nbsp;&nbsp;}&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;}&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />&nbsp;&nbsp;public String getFirstName()<br />&nbsp;&nbsp;{<br />&nbsp;&nbsp;&nbsp;return this.firstName;<br />&nbsp;&nbsp;}<br />&nbsp;&nbsp;public String getLastName()<br />&nbsp;&nbsp;{<br />&nbsp;&nbsp;&nbsp;return this.lastName;<br />&nbsp;&nbsp;}<br />&nbsp;&nbsp;public Date getDOB()&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; public Date getDOB()&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />&nbsp;&nbsp;{&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;{&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />&nbsp;&nbsp;<strong>&nbsp;return this.dob;&nbsp;&nbsp;&nbsp;&nbsp;//error&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return new Date( this.dob.getTime() );//correct<br /></strong>&nbsp;&nbsp;}&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />&nbsp;}<br />&nbsp;&nbsp;4. jdk鐨勫彲鍙樼被鍜屼笉鍙彉綾?/p><p style="margin: 0px 0px 14px; font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">primitive鍙橀噺: boolean,byte, char, double ,float, integer, long, short&nbsp;<br />jdk鐨勪笉鍙彉綾伙細jdk鐨刯ava.lang鍖呬腑 Boolean, Byte, Character, Double, Float, Integer, Long, Short, String.&nbsp;<br />&nbsp;&nbsp;<br />&nbsp; StringBuffer 鍙彉綾?br />&nbsp; java.util.Date 鍙彉綾?br /><br /></p><hr style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><p style="margin: 0px 0px 14px; font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;"></p><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">瀵逛簬榪欎釜緋誨垪閲岀殑闂錛屾瘡涓Java鐨勪漢閮藉簲璇ユ悶鎳傘�傚綋鐒訛紝濡傛灉鍙槸瀛ava鐜╃帺灝辨棤鎵�璋撲簡銆傚鏋滀綘璁や負(fù)鑷繁宸茬粡瓚呰秺鍒濆鑰呬簡錛屽嵈涓嶅緢鎳傝繖浜涢棶棰橈紝璇峰皢浣犺嚜宸遍噸褰掑垵瀛﹁�呰鍒椼�傚唴瀹瑰潎鏉ヨ嚜浜嶤SDN鐨勭粡鍏歌�佽創(chuàng)銆?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><strong style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">闂涓�錛?/strong><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px; color: red;">鎴戝０鏄庝簡浠�涔堬紒</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">String s = "Hello world!";</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">璁稿浜洪兘鍋氳繃榪欐牱鐨勪簨鎯咃紝浣嗘槸錛屾垜浠埌搴曞０鏄庝簡浠�涔堬紵鍥炵瓟閫氬父鏄細涓�涓猄tring錛屽唴瀹規(guī)槸&#8220;Hello world!&#8221;銆傝繖鏍鋒ā緋婄殑鍥炵瓟閫氬父鏄蹇典笉娓呯殑鏍規(guī)簮銆傚鏋滆鍑嗙‘鐨勫洖絳旓紝涓�鍗婄殑浜哄ぇ姒備細鍥炵瓟閿欒銆?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">榪欎釜璇彞澹版槑鐨勬槸涓�涓寚鍚戝璞＄殑寮曠敤錛屽悕涓?#8220;s&#8221;錛屽彲浠ユ寚鍚戠被鍨嬩負(fù)String鐨勪換浣曞璞★紝鐩墠鎸囧悜"Hello world!"榪欎釜String綾誨瀷鐨勫璞°�傝繖灝辨槸鐪熸鍙戠敓鐨勪簨鎯呫�傛垜浠茍娌℃湁澹版槑涓�涓猄tring瀵硅薄錛屾垜浠彧鏄０鏄庝簡涓�涓彧鑳芥寚鍚慡tring瀵硅薄鐨勫紩鐢ㄥ彉閲忋�傛墍浠ワ紝濡傛灉鍦ㄥ垰鎵嶉偅鍙ヨ鍙ュ悗闈紝濡傛灉鍐嶈繍琛屼竴鍙ワ細</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">String string = s;</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">鎴戜滑鏄０鏄庝簡鍙﹀涓�涓彧鑳芥寚鍚慡tring瀵硅薄鐨勫紩鐢紝鍚嶄負(fù)string錛屽茍娌℃湁絎簩涓璞′駭鐢燂紝string榪樻槸鎸囧悜鍘熸潵閭ｄ釜瀵硅薄錛屼篃灝辨槸錛屽拰s鎸囧悜鍚屼竴涓璞°�?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><strong style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">闂浜岋細</strong><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px; color: red;">"=="鍜宔quals鏂規(guī)硶絀剁珶鏈変粈涔堝尯鍒紵</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">==鎿嶄綔絎︿笓闂ㄧ敤鏉ユ瘮杈冨彉閲忕殑鍊兼槸鍚︾浉絳夈�傛瘮杈冨ソ鐞嗚В鐨勪竴鐐規(guī)槸錛?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">int a=10;</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">int b=10;</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">鍒檃==b灝嗘槸true銆?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">浣嗕笉濂界悊瑙ｇ殑鍦版柟鏄細</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">String a=new String("foo");</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">String b=new String("foo");</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">鍒檃==b灝嗚繑鍥瀎alse銆?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">鏍規(guī)嵁鍓嶄竴甯栬榪囷紝瀵硅薄鍙橀噺鍏跺疄鏄竴涓紩鐢紝瀹冧滑鐨勫�兼槸鎸囧悜瀵硅薄鎵�鍦ㄧ殑鍐呭瓨鍦板潃錛岃�屼笉鏄璞℃湰韜�俛鍜宐閮戒嬌鐢ㄤ簡new鎿嶄綔絎︼紝鎰忓懗鐫�灝嗗湪鍐呭瓨涓駭鐢熶袱涓唴瀹逛負(fù)"foo"鐨勫瓧絎︿覆錛屾棦鐒舵槸&#8220;涓や釜&#8221;錛屽畠浠嚜鐒朵綅浜庝笉鍚岀殑鍐呭瓨鍦板潃銆俛鍜宐鐨勫�煎叾瀹炴槸涓や釜涓嶅悓鐨勫唴瀛樺湴鍧�鐨勫�鹼紝鎵�浠ヤ嬌鐢?=="鎿嶄綔絎︼紝緇撴灉浼氭槸false銆傝瘹鐒訛紝a鍜宐鎵�鎸囩殑瀵硅薄錛屽畠浠殑鍐呭閮芥槸"foo"錛屽簲璇ユ槸&#8220;鐩哥瓑&#8221;錛屼絾鏄?=鎿嶄綔絎﹀茍涓嶆秹鍙婂埌瀵硅薄鍐呭鐨勬瘮杈冦�?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">瀵硅薄鍐呭鐨勬瘮杈冿紝姝ｆ槸equals鏂規(guī)硶鍋氱殑浜嬨�?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">鐪嬩竴涓婳bject瀵硅薄鐨別quals鏂規(guī)硶鏄浣曞疄鐜扮殑錛?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">boolean equals(Object o){</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">return this==o;</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">}</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">Object瀵硅薄榛樿浣跨敤浜?=鎿嶄綔絎︺�傛墍浠ュ鏋滀綘鑷垱鐨勭被娌℃湁瑕嗙洊equals鏂規(guī)硶錛岄偅浣犵殑綾諱嬌鐢╡quals鍜屼嬌鐢?=浼氬緱鍒板悓鏍風(fēng)殑緇撴灉銆傚悓鏍蜂篃鍙互鐪嬪嚭錛孫bject鐨別quals鏂規(guī)硶娌℃湁杈懼埌equals鏂規(guī)硶搴旇杈懼埌鐨勭洰鏍囷細姣旇緝涓や釜瀵硅薄鍐呭鏄惁鐩哥瓑銆傚洜涓虹瓟妗堝簲璇ョ敱綾葷殑鍒涘緩鑰呭喅瀹氾紝鎵�浠bject鎶婅繖涓換鍔＄暀緇欎簡綾葷殑鍒涘緩鑰呫�?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">鐪嬩竴涓嬩竴涓瀬绔殑綾伙細</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">Class Monster{</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">private String content;</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">...</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">boolean equals(Object another){ return true;}</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">}</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">鎴戣鐩栦簡equals鏂規(guī)硶銆傝繖涓疄鐜頒細瀵艱嚧鏃犺Monster瀹炰緥鍐呭濡備綍錛屽畠浠箣闂寸殑姣旇緝姘歌繙榪斿洖true銆?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">鎵�浠ュ綋浣犳槸鐢╡quals鏂規(guī)硶鍒ゆ柇瀵硅薄鐨勫唴瀹規(guī)槸鍚︾浉絳夛紝璇蜂笉瑕佹兂褰撶劧銆傚洜涓哄彲鑳戒綘璁や負(fù)鐩哥瓑錛岃�岃繖涓被鐨勪綔鑰呬笉榪欐牱璁や負(fù)錛岃�岀被鐨別quals鏂規(guī)硶鐨勫疄鐜版槸鐢變粬鎺屾彙鐨勩�傚鏋滀綘闇�瑕佷嬌鐢╡quals鏂規(guī)硶錛屾垨鑰呬嬌鐢ㄤ換浣曞熀浜庢暎鍒楃爜鐨勯泦鍚堬紙HashSet,HashMap,HashTable錛夛紝璇峰療鐪嬩竴涓媕ava doc浠ョ‘璁よ繖涓被鐨別quals閫昏緫鏄浣曞疄鐜扮殑銆?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><strong style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">闂涓夛細</strong><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px; color: red;">String鍒板簳鍙樹簡娌℃湁錛?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">娌℃湁銆傚洜涓篠tring琚璁℃垚涓嶅彲鍙?immutable)綾伙紝鎵�浠ュ畠鐨勬墍鏈夊璞￠兘鏄笉鍙彉瀵硅薄銆傝鐪嬩笅鍒椾唬鐮侊細</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">String s = "Hello";</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">s = s + " world!";</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">s鎵�鎸囧悜鐨勫璞℃槸鍚︽敼鍙樹簡鍛紵浠庢湰緋誨垪絎竴綃囩殑緇撹寰堝鏄撳鍑鴻繖涓粨璁恒�傛垜浠潵鐪嬬湅鍙戠敓浜嗕粈涔堜簨鎯呫�傚湪榪欐浠ｇ爜涓紝s鍘熷厛鎸囧悜涓�涓猄tring瀵硅薄錛屽唴瀹規(guī)槸"Hello"錛岀劧鍚庢垜浠s榪涜浜?鎿嶄綔錛岄偅涔坰鎵�鎸囧悜鐨勯偅涓璞℃槸鍚﹀彂鐢熶簡鏀瑰彉鍛紵絳旀鏄病鏈夈�傝繖鏃訛紝s涓嶆寚鍚戝師鏉ラ偅涓璞′簡錛岃�屾寚鍚戜簡鍙︿竴涓猄tring瀵硅薄錛屽唴瀹逛負(fù)"Hello world!"錛屽師鏉ラ偅涓璞¤繕瀛樺湪浜庡唴瀛樹箣涓紝鍙槸s榪欎釜寮曠敤鍙橀噺涓嶅啀鎸囧悜瀹冧簡銆?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">閫氳繃涓婇潰鐨勮鏄庯紝鎴戜滑寰堝鏄撳鍑哄彟涓�涓粨璁猴紝濡傛灉緇忓父瀵瑰瓧絎︿覆榪涜鍚勭鍚勬牱鐨勪慨鏀癸紝鎴栬�呰錛屼笉鍙瑙佺殑淇敼錛岄偅涔堜嬌鐢⊿tring鏉ヤ唬琛ㄥ瓧絎︿覆鐨勮瘽浼氬紩璧峰緢澶х殑鍐呭瓨寮�閿�銆傚洜涓篠tring瀵硅薄寤虹珛涔嬪悗涓嶈兘鍐嶆敼鍙橈紝鎵�浠ュ浜庢瘡涓�涓笉鍚岀殑瀛楃涓詫紝閮介渶瑕佷竴涓猄tring瀵硅薄鏉ヨ〃紺恒�傝繖鏃訛紝搴旇鑰冭檻浣跨敤StringBuffer綾伙紝瀹冨厑璁鎬慨鏀癸紝鑰屼笉鏄瘡涓笉鍚岀殑瀛楃涓查兘瑕佺敓鎴愪竴涓柊鐨勫璞°�傚茍涓旓紝榪欎袱縐嶇被鐨勫璞¤漿鎹㈠崄鍒嗗鏄撱�?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">鍚屾椂錛屾垜浠繕鍙互鐭ラ亾錛屽鏋滆浣跨敤鍐呭鐩稿悓鐨勫瓧絎︿覆錛屼笉蹇呮瘡嬈￠兘new涓�涓猄tring銆備緥濡傛垜浠鍦ㄦ瀯閫犲櫒涓涓�涓悕鍙玸鐨凷tring寮曠敤鍙橀噺榪涜鍒濆鍖栵紝鎶婂畠璁劇疆涓哄垵濮嬪�鹼紝搴斿綋榪欐牱鍋氾細</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">public class Demo {</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">&nbsp;&nbsp;private String s;</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">&nbsp;&nbsp;...</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">&nbsp;&nbsp;public Demo {</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">&nbsp;&nbsp;&nbsp;&nbsp;s = "Initial Value";</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">&nbsp;&nbsp;}</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">&nbsp;&nbsp;...</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">}</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">鑰岄潪</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">s = new String("Initial Value");</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">鍚庤�呮瘡嬈￠兘浼氳皟鐢ㄦ瀯閫犲櫒錛岀敓鎴愭柊瀵硅薄錛屾�ц兘浣庝笅涓斿唴瀛樺紑閿�澶э紝騫朵笖娌℃湁鎰忎箟錛屽洜涓篠tring瀵硅薄涓嶅彲鏀瑰彉錛屾墍浠ュ浜庡唴瀹圭浉鍚岀殑瀛楃涓詫紝鍙涓�涓猄tring瀵硅薄鏉ヨ〃紺哄氨鍙互浜嗐�備篃灝辮錛屽嬈¤皟鐢ㄤ笂闈㈢殑鏋勯�犲櫒鍒涘緩澶氫釜瀵硅薄錛屼粬浠殑String綾誨瀷灞炴�閮芥寚鍚戝悓涓�涓璞°�?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">涓婇潰鐨勭粨璁鴻繕鍩轟簬榪欐牱涓�涓簨瀹烇細瀵逛簬瀛楃涓插父閲忥紝濡傛灉鍐呭鐩稿悓錛孞ava璁や負(fù)瀹冧滑浠ｈ〃鍚屼竴涓猄tring瀵硅薄銆傝�岀敤鍏抽敭瀛梟ew璋冪敤鏋勯�犲櫒錛屾�繪槸浼氬垱寤轟竴涓柊鐨勫璞★紝鏃犺鍐呭鏄惁鐩稿悓銆?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">鑷充簬涓轟粈涔堣鎶奡tring綾昏璁℃垚涓嶅彲鍙樼被錛屾槸瀹冪殑鐢ㄩ�斿喅瀹氱殑銆傚叾瀹炰笉鍙猄tring錛屽緢澶欽ava鏍囧噯綾誨簱涓殑綾婚兘鏄笉鍙彉鐨勩�傚湪寮�鍙戜竴涓郴緇熺殑鏃跺�欙紝鎴戜滑鏈夋椂鍊欎篃闇�瑕佽璁′笉鍙彉綾伙紝鏉ヤ紶閫掍竴緇勭浉鍏崇殑鍊鹼紝榪欎篃鏄潰鍚戝璞℃�濇兂鐨勪綋鐜般�備笉鍙彉綾繪湁涓�浜涗紭鐐癸紝姣斿鍥犱負(fù)瀹冪殑瀵硅薄鏄彧璇葷殑錛屾墍浠ュ綰跨▼騫跺彂璁塊棶涔熶笉浼氭湁浠諱綍闂銆傚綋鐒朵篃鏈変竴浜涚己鐐癸紝姣斿姣忎釜涓嶅悓鐨勭姸鎬侀兘瑕佷竴涓璞℃潵浠ｈ〃錛屽彲鑳戒細閫犳垚鎬ц兘涓婄殑闂銆傛墍浠ava鏍囧噯綾誨簱榪樻彁渚涗簡涓�涓彲鍙樼増鏈紝鍗砈tringBuffer銆?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><strong style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">闂鍥涳細</strong><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px; color: red;">final鍏抽敭瀛楀埌搴曚慨楗頒簡浠�涔堬紵</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">final浣垮緱琚慨楗扮殑鍙橀噺"涓嶅彉"錛屼絾鏄敱浜庡璞″瀷鍙橀噺鐨勬湰璐ㄦ槸&#8220;寮曠敤&#8221;錛屼嬌寰?#8220;涓嶅彉&#8221;涔熸湁浜嗕袱縐嶅惈涔夛細寮曠敤鏈韓鐨勪笉鍙橈紝鍜屽紩鐢ㄦ寚鍚戠殑瀵硅薄涓嶅彉銆?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">寮曠敤鏈韓鐨勪笉鍙橈細</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">final StringBuffer a=new StringBuffer("immutable");</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">final StringBuffer b=new StringBuffer("not immutable");</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">a=b;//緙栬瘧鏈熼敊璇?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">寮曠敤鎸囧悜鐨勫璞′笉鍙橈細</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">final StringBuffer a=new StringBuffer("immutable");</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">a.append(" broken!"); //緙栬瘧閫氳繃</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">鍙錛宖inal鍙寮曠敤鐨?#8220;鍊?#8221;(涔熷嵆瀹冩墍鎸囧悜鐨勯偅涓璞＄殑鍐呭瓨鍦板潃)鏈夋晥錛屽畠榪嬌寮曠敤鍙兘鎸囧悜鍒濆鎸囧悜鐨勯偅涓璞★紝鏀瑰彉瀹冪殑鎸囧悜浼氬鑷寸紪璇戞湡閿欒銆傝嚦浜庡畠鎵�鎸囧悜鐨勫璞＄殑鍙樺寲錛宖inal鏄笉璐熻矗鐨勩�傝繖寰堢被浼?=鎿嶄綔絎︼細==鎿嶄綔絎﹀彧璐熻矗寮曠敤鐨?#8220;鍊?#8221;鐩哥瓑錛岃嚦浜庤繖涓湴鍧�鎵�鎸囧悜鐨勫璞″唴瀹規(guī)槸鍚︾浉絳夛紝==鎿嶄綔絎︽槸涓嶇鐨勩�?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">鐞嗚Вfinal闂鏈夊緢閲嶈鐨勫惈涔夈�傝澶氱▼搴忔紡媧為兘鍩轟簬姝?---final鍙兘淇濊瘉寮曠敤姘歌繙鎸囧悜鍥哄畾瀵硅薄錛屼笉鑳戒繚璇侀偅涓璞＄殑鐘舵�佷笉鍙樸�傚湪澶氱嚎紼嬬殑鎿嶄綔涓?涓�涓璞′細琚涓嚎紼嬪叡浜垨淇敼錛屼竴涓嚎紼嬪瀵硅薄鏃犳剰璇嗙殑淇敼鍙兘浼氬鑷村彟涓�涓嬌鐢ㄦ瀵硅薄鐨勭嚎紼嬪穿婧冦�備竴涓敊璇殑瑙ｅ喅鏂規(guī)硶灝辨槸鍦ㄦ瀵硅薄鏂板緩鐨勬椂鍊欐妸瀹冨０鏄庝負(fù)final錛屾剰鍥句嬌寰楀畠&#8220;姘歌繙涓嶅彉&#8221;銆傚叾瀹為偅鏄緬鍔崇殑銆?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><strong style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">闂浜旓細</strong><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px; color: red;">鍒板簳瑕佹�庝箞鏍峰垵濮嬪寲錛?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">鏈棶棰樿璁哄彉閲忕殑鍒濆鍖栵紝鎵�浠ュ厛鏉ョ湅涓�涓婮ava涓湁鍝簺縐嶇被鐨勫彉閲忋�?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">1. 綾葷殑灞炴�э紝鎴栬�呭彨鍊煎煙</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">2. 鏂規(guī)硶閲岀殑灞�閮ㄥ彉閲?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">3. 鏂規(guī)硶鐨勫弬鏁?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">瀵逛簬絎竴縐嶅彉閲忥紝Java铏氭嫙鏈轟細鑷姩榪涜鍒濆鍖栥�傚鏋滅粰鍑轟簡鍒濆鍊鹼紝鍒欏垵濮嬪寲涓鴻鍒濆鍊箋�傚鏋滄病鏈夌粰鍑猴紝鍒欐妸瀹冨垵濮嬪寲涓鴻綾誨瀷鍙橀噺鐨勯粯璁ゅ垵濮嬪�箋�?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">int綾誨瀷鍙橀噺榛樿鍒濆鍊間負(fù)0</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">float綾誨瀷鍙橀噺榛樿鍒濆鍊間負(fù)0.0f</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">double綾誨瀷鍙橀噺榛樿鍒濆鍊間負(fù)0.0</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">boolean綾誨瀷鍙橀噺榛樿鍒濆鍊間負(fù)false</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">char綾誨瀷鍙橀噺榛樿鍒濆鍊間負(fù)0(ASCII鐮?</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">long綾誨瀷鍙橀噺榛樿鍒濆鍊間負(fù)0</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">鎵�鏈夊璞″紩鐢ㄧ被鍨嬪彉閲忛粯璁ゅ垵濮嬪�間負(fù)null錛屽嵆涓嶆寚鍚戜換浣曞璞°�傛敞鎰忔暟緇勬湰韜篃鏄璞★紝鎵�浠ユ病鏈夊垵濮嬪寲鐨勬暟緇勫紩鐢ㄥ湪鑷姩鍒濆鍖栧悗鍏跺�間篃鏄痭ull銆?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">瀵逛簬涓ょ涓嶅悓鐨勭被灞炴�э紝static灞炴�т笌instance灞炴�э紝鍒濆鍖栫殑鏃舵満鏄笉鍚岀殑銆俰nstance灞炴�у湪鍒涘緩瀹炰緥鐨勬椂鍊欏垵濮嬪寲錛宻tatic灞炴�у湪綾誨姞杞斤紝涔熷氨鏄涓�嬈＄敤鍒拌繖涓被鐨勬椂鍊欏垵濮嬪寲錛屽浜庡悗鏉ョ殑瀹炰緥鐨勫垱寤猴紝涓嶅啀嬈¤繘琛屽垵濮嬪寲銆傝繖涓棶棰樹細鍦ㄤ互鍚庣殑緋誨垪涓繘琛岃緇嗚璁恒�?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">瀵逛簬絎簩縐嶅彉閲忥紝蹇呴』鏄庣‘鍦拌繘琛屽垵濮嬪寲銆傚鏋滃啀娌℃湁鍒濆鍖栦箣鍓嶅氨璇曞浘浣跨敤瀹冿紝緙栬瘧鍣ㄤ細鎶楄銆傚鏋滃垵濮嬪寲鐨勮鍙ュ湪try鍧椾腑鎴杋f鍧椾腑錛屼篃蹇呴』瑕佽瀹冨湪絎竴嬈′嬌鐢ㄥ墠涓�瀹氳兘澶熷緱鍒拌祴鍊箋�備篃灝辨槸璇達紝鎶婂垵濮嬪寲璇彞鏀懼湪鍙湁if鍧楃殑鏉′歡鍒ゆ柇璇彞涓紪璇戝櫒涔熶細鎶楄錛屽洜涓烘墽琛岀殑鏃跺�欏彲鑳戒笉絎﹀悎if鍚庨潰鐨勫垽鏂潯浠訛紝濡傛涓�鏉ュ垵濮嬪寲璇彞灝變笉浼氳鎵ц浜嗭紝榪欏氨榪濆弽浜嗗眬閮ㄥ彉閲忎嬌鐢ㄥ墠蹇呴』鍒濆鍖栫殑瑙勫畾銆備絾濡傛灉鍦╡lse鍧椾腑涔熸湁鍒濆鍖栬鍙ワ紝灝卞彲浠ラ�氳繃緙栬瘧錛屽洜涓烘棤璁哄浣曪紝鎬繪湁鑷沖皯涓�鏉″垵濮嬪寲璇彞浼氳鎵ц錛屼笉浼氬彂鐢熶嬌鐢ㄥ墠鏈鍒濆鍖栫殑浜嬫儏銆傚浜巘ry-catch涔熸槸涓�鏍鳳紝濡傛灉鍙湁鍦╰ry鍧楅噷鎵嶆湁鍒濆鍖栬鍙ワ紝緙栬瘧閮ㄩ�氳繃銆傚鏋滃湪catch鎴杅inally閲屼篃鏈夛紝鍒欏彲浠ラ�氳繃緙栬瘧銆傛�諱箣錛岃淇濊瘉灞�閮ㄥ彉閲忓湪浣跨敤涔嬪墠涓�瀹氳鍒濆鍖栦簡銆傛墍浠ワ紝涓�涓ソ鐨勫仛娉曟槸鍦ㄥ０鏄庝粬浠殑鏃跺�欏氨鍒濆鍖栦粬浠紝濡傛灉涓嶇煡閬撹鍑轟簨鍖栨垚浠�涔堝�煎ソ錛屽氨鐢ㄤ笂闈㈢殑榛樿鍊煎惂錛?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">鍏跺疄絎笁縐嶅彉閲忓拰絎簩縐嶆湰璐ㄤ笂鏄竴鏍風(fēng)殑錛岄兘鏄柟娉曚腑鐨勫眬閮ㄥ彉閲忋�傚彧涓嶈繃浣滀負(fù)鍙傛暟錛岃偗瀹氭槸琚垵濮嬪寲榪囩殑錛屼紶鍏ョ殑鍊煎氨鏄垵濮嬪�鹼紝鎵�浠ヤ笉闇�瑕佸垵濮嬪寲銆?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><strong style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">闂鍏細</strong><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px; color: red;">instanceof鏄粈涔堜笢涓滐紵</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">instanceof鏄疛ava鐨勪竴涓簩鍏冩搷浣滅錛屽拰==錛?gt;錛?lt;鏄悓涓�綾諱笢涓溿�傜敱浜庡畠鏄敱瀛楁瘝緇勬垚鐨勶紝鎵�浠ヤ篃鏄疛ava鐨勪繚鐣欏叧閿瓧銆傚畠鐨勪綔鐢ㄦ槸嫻嬭瘯瀹冨乏杈圭殑瀵硅薄鏄惁鏄畠鍙寵竟鐨勭被鐨勫疄渚嬶紝榪斿洖boolean綾誨瀷鐨勬暟鎹�備婦涓緥瀛愶細</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">String s = "I AM an Object!";</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">boolean isObject = s instanceof Object;</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">鎴戜滑澹版槑浜嗕竴涓猄tring瀵硅薄寮曠敤錛屾寚鍚戜竴涓猄tring瀵硅薄錛岀劧鍚庣敤instancof鏉ユ祴璇曞畠鎵�鎸囧悜鐨勫璞℃槸鍚︽槸Object綾葷殑涓�涓疄渚嬶紝鏄劇劧錛岃繖鏄湡鐨勶紝鎵�浠ヨ繑鍥瀟rue錛屼篃灝辨槸isObject鐨勫�間負(fù)True銆?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">instanceof鏈変竴浜涚敤澶勩�傛瘮濡傛垜浠啓浜嗕竴涓鐞嗚處鍗曠殑緋葷粺錛屽叾涓湁榪欐牱涓変釜綾伙細</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">public class Bill {//鐪佺暐緇嗚妭}</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">public class PhoneBill extends Bill {//鐪佺暐緇嗚妭}</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">public class GasBill extends Bill {//鐪佺暐緇嗚妭}</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">鍦ㄥ鐞嗙▼搴忛噷鏈変竴涓柟娉曪紝鎺ュ彈涓�涓狟ill綾誨瀷鐨勫璞★紝璁＄畻閲戦銆傚亣璁句袱縐嶈處鍗曡綆楁柟娉曚笉鍚岋紝鑰屼紶鍏ョ殑Bill瀵硅薄鍙兘鏄袱縐嶄腑鐨勪換浣曚竴縐嶏紝鎵�浠ヨ鐢╥nstanceof鏉ュ垽鏂細</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">public double calculate(Bill bill) {</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">&nbsp;&nbsp;if (bill instanceof PhoneBill) {</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">&nbsp;&nbsp;&nbsp;&nbsp;//璁＄畻鐢?shù)璇濊处鍗?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">&nbsp;&nbsp;}</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">&nbsp;&nbsp;if (bill instanceof GasBill) {</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">&nbsp;&nbsp;&nbsp;&nbsp;//璁＄畻鐕冩皵璐﹀崟</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">&nbsp;&nbsp;}</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">&nbsp;&nbsp;...</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">}</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">榪欐牱灝卞彲浠ョ敤涓�涓柟娉曞鐞嗕袱縐嶅瓙綾匯�?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">鐒惰�岋紝榪欑鍋氭硶閫氬父琚涓烘槸娌℃湁濂藉ソ鍒╃敤闈㈠悜瀵硅薄涓殑澶氭�佹�с�傚叾瀹炰笂闈㈢殑鍔熻兘瑕佹眰鐢ㄦ柟娉曢噸杞藉畬鍏ㄥ彲浠ュ疄鐜幫紝榪欐槸闈㈠悜瀵硅薄鍙樻垚搴旀湁鐨勫仛娉曪紝閬垮厤鍥炲埌緇撴瀯鍖栫紪紼嬫ā寮忋�傚彧瑕佹彁渚涗袱涓悕瀛楀拰榪斿洖鍊奸兘鐩稿悓錛屾帴鍙楀弬鏁扮被鍨嬩笉鍚岀殑鏂規(guī)硶灝卞彲浠ヤ簡錛?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">public double calculate(PhoneBill bill) {</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">&nbsp;&nbsp;//璁＄畻鐢?shù)璇濊处鍗?/span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">}</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">public double calculate(GasBill bill) {</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">&nbsp;&nbsp;//璁＄畻鐕冩皵璐﹀崟</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">}</span><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><br style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;" /><span style="font-family: Verdana, Geneva, Arial, Helvetica, sans-serif; font-size: 13px; line-height: 19.2000007629395px;">鎵�浠ワ紝浣跨敤instanceof鍦ㄧ粷澶у鏁版儏鍐典笅騫朵笉鏄帹鑽愮殑鍋氭硶錛屽簲褰撳ソ濂藉埄鐢ㄥ鎬?/span><img src ="http://www.tkk7.com/zoubin/aggbug/418207.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/zoubin/" target="_blank">zoubin</a> 2014-09-23 23:46 <a href="http://www.tkk7.com/zoubin/archive/2014/09/23/418207.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item></channel></rss>                                                                   <footer>
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