锘??xml version="1.0" encoding="utf-8" standalone="yes"?>久久精品人人槡人妻人人玩AV,亚洲国产精品无码久久久久久曰,国产日韩欧美久久http://www.shnenglu.com/zhenglinbo/category/20597.html浜彈緙栫▼鐨勪箰瓚ｃ?/description>zh-cnWed, 02 Oct 2013 12:42:13 GMTWed, 02 Oct 2013 12:42:13 GMT60嫻呰皥Java鍐呴儴綾?/title><link>http://www.shnenglu.com/zhenglinbo/archive/2013/09/28/203473.html</link><dc:creator>hoshelly</dc:creator><author>hoshelly</author><pubDate>Sat, 28 Sep 2013 06:26:00 GMT</pubDate><guid>http://www.shnenglu.com/zhenglinbo/archive/2013/09/28/203473.html</guid><wfw:comment>http://www.shnenglu.com/zhenglinbo/comments/203473.html</wfw:comment><comments>http://www.shnenglu.com/zhenglinbo/archive/2013/09/28/203473.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.shnenglu.com/zhenglinbo/comments/commentRss/203473.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/zhenglinbo/services/trackbacks/203473.html</trackback:ping><description><![CDATA[<br />浠涔堟槸鍐呴儴綾誨憿錛熼【鍚嶆濅箟錛屽唴閮ㄧ被灝辨槸鍦ㄧ被涓彲浠ュ畾涔夊彟涓涓殑綾匯傚唴閮ㄧ被鏄閮ㄥ璞＄殑涓涓垚鍛橈紝鍚屾牱鍏鋒湁public , private 鍜?protected鐨勮闂潈闄愩?br /><br /><div style="background-color:#eeeeee;font-size:13px;border:1px solid #CCCCCC;padding-right: 5px;padding-bottom: 4px;padding-left: 4px;padding-top: 4px;width: 98%;word-break:break-all"><!--<br /><br />Code highlighting produced by Actipro CodeHighlighter (freeware)<br />http://www.CodeHighlighter.com/<br /><br />--><span style="color: #0000FF; ">public</span> <span style="color: #0000FF; ">class</span> Test<br />{<br />    <span style="color: #0000FF; ">public</span> <span style="color: #0000FF; ">static</span> <span style="color: #0000FF; ">void</span> main(String[] args)<br />    {<br />      Family my = <span style="color: #0000FF; ">new</span> Family(“Jonh",130);<br />      my.getMsg();<br />    }<br />}<br /><span style="color: #0000FF; ">class</span> Family<br />{<br />     Family(String name,int weight){ <span style="color: #0000FF; ">this</span>.f = <span style="color: #0000FF; ">new</span> Father(name,weight); }<br />     <span style="color: #0000FF; ">private</span> <span style="color: #0000FF; ">class</span> Father<br />     {<br />       <span style="color: #0000FF; ">private</span> <span style="color: #0000FF; ">int</span> weight;<br />       <span style="color: #0000FF; ">private</span> String name;<br />       Father(String n,<span style="color: #0000FF; ">int</span> w)<br />       {<br />          <span style="color: #0000FF; ">this</span>.name = n;<br />          <span style="color: #0000FF; ">this</span>.weight = w;<br />       }<br />       <span style="color: #0000FF; ">public</span> <span style="color: #0000FF; ">int</span> getWeight()<br />       {<br />          <span style="color: #0000FF; ">return</span> weight;<br />       }<br />       <span style="color: #0000FF; ">public</span> String getName()<br />       {<br />          <span style="color: #0000FF; ">return</span> name;<br />       }<br />      }<br /><br />     <span style="color: #0000FF; ">private</span> Father f;<br />     <span style="color: #0000FF; ">public</span> <span style="color: #0000FF; ">void</span> getMsg()<br />     {<br />          System.out.println("Name: "+f.getName()+"\nWeight: "+f.getWeight());<br />     }<br />}</div><div></div><div>綾籉amily 涓湁涓涓狥ather綾伙紝澹版槑涓簆rivate錛岃〃鏄庡湪Family綾諱腑鍙互鍒涘緩涓涓疄渚嬪璞★紝榪欎釜Father涓撳睘浜嶧amily綾匯傛櫘閫氱殑錛堥潪鍐呴儴錛夌被涓嶈兘澹版槑涓簆rivate鎴栬卲rotected錛屽彧鑳藉０鏄庝負public銆傚洜姝よ繖鏍風殑浠ｇ爜鏄笉琚厑璁哥殑錛?br /><div style="background-color:#eeeeee;font-size:13px;border:1px solid #CCCCCC;padding-right: 5px;padding-bottom: 4px;padding-left: 4px;padding-top: 4px;width: 98%;word-break:break-all"><!--<br /><br />Code highlighting produced by Actipro CodeHighlighter (freeware)<br />http://www.CodeHighlighter.com/<br /><br />-->Family.Father a = my.<span style="color: #0000FF; ">new</span> Father("Jonh",150);</div><br />濡傛灉瑕佷嬌鐢ㄤ笂榪頒唬鐮侊紝鍙淇敼鍐呴儴綾葷殑璁塊棶鏉冮檺灝卞彲浠ヤ簡錛屽鍘繪帀private鏉冮檺錛屽垯榛樿涓哄寘璁塊棶鏉冮檺錛屽悓涓涓寘涓殑綾婚兘鍙互璁塊棶瀹冿紝鑰屼笉鏄彧鑳戒粠Family綾繪墠鑳借闂?br /><br /><div style="background-color: #eeeeee; font-size: 13px; border: 1px solid #cccccc; padding: 4px 5px 4px 4px; width: 98%; word-break: break-all;"><!--<br /><br />Code highlighting produced by Actipro CodeHighlighter (freeware)<br />http://www.CodeHighlighter.com/<br /><br />--><span style="color: #0000FF; ">public</span> <span style="color: #0000FF; ">class</span> test<br />{<br />    <span style="color: #0000FF; ">public</span> <span style="color: #0000FF; ">static</span> <span style="color: #0000FF; ">void</span> main(String[] args)<br />    {<br />      Family my = <span style="color: #0000FF; ">new</span> Family("Jonh",130);<br />      my.getMsg();<br />      Family.Father a = my.<span style="color: #0000FF; ">new</span> Father("Jonh",150);<br />      System.out.println("Name: "+a.getName()+"\nWeight: "+a.getWeight());<br />     <br />    }<br />}</div>鍦ㄤ笂榪頒唬鐮佷腑錛屽湪鍒涘緩鍐呴儴綾誨璞℃椂錛岃娉曚負錛欶amily.Father a = my.new Father("Jonh",150); 璇存槑鍐呴儴綾誨璞＄殑鍒涘緩鏄熀浜庝竴涓閮ㄧ被瀵硅薄錛坢y錛夛紝涔熷氨鏄鍐呴儴綾誨璞″繀欏諱緷闄勪簬涓涓閮ㄧ被瀵硅薄銆?/div><br />鍐呴儴綾誨彲浠ュ嚭鐜板湪鎵灞炵被鐨勬柟娉曞唴鎴栦換鎰忎綔鐢ㄥ煙鍐呫傚儚涓嬮潰鐨勪唬鐮佸皢鍐呴儴綾誨祵鍏ュ湪鏂規硶鍐咃細<br /><br /><div style="background-color:#eeeeee;font-size:13px;border:1px solid #CCCCCC;padding-right: 5px;padding-bottom: 4px;padding-left: 4px;padding-top: 4px;width: 98%;word-break:break-all"><!--<br /><br />Code highlighting produced by Actipro CodeHighlighter (freeware)<br />http://www.CodeHighlighter.com/<br /><br />--><span style="color: #0000FF; ">public</span> <span style="color: #0000FF; ">class</span> test<br />{<br />    <span style="color: #0000FF; ">public</span> <span style="color: #0000FF; ">static</span> <span style="color: #0000FF; ">void</span> main(String[] args)<br />    {<br />      Family my = <span style="color: #0000FF; ">new</span> Family();<br />      my.getMsg("Jonh",150);<br />     <br />    }<br />}<br /><span style="color: #0000FF; ">class</span> Family<br />{<br />     Family(){ }<br />     <span style="color: #0000FF; ">public</span> <span style="color: #0000FF; ">void</span> getMsg(String s,<span style="color: #0000FF; ">int</span> n)<br />     {<br />       <span style="color: #0000FF; ">class</span> Father<br />      {<br />       <span style="color: #0000FF; ">private</span> <span style="color: #0000FF; ">int</span> weight;<br />       <span style="color: #0000FF; ">private</span> String name;<br />       Father(String n,<span style="color: #0000FF; ">int</span> w)<br />       {<br />          <span style="color: #0000FF; ">this</span>.name = n;<br />          <span style="color: #0000FF; ">this</span>.weight = w;<br />       }<br />       <span style="color: #0000FF; ">public</span> <span style="color: #0000FF; ">int</span> getWeight()<br />       {<br />          <span style="color: #0000FF; ">return</span> weight;<br />       }<br />       <span style="color: #0000FF; ">public</span> String getName()<br />       {<br />          <span style="color: #0000FF; ">return</span> name;<br />       }<br />      }<br />      Father f = <span style="color: #0000FF; ">new</span> Father(s,n);<br />      System.out.println("Name: "+f.getName()+"\nWeight: "+f.getWeight());<br />     }<br />}</div><br /><br /><strong>闂寘<br /></strong><br />鍐呴儴綾誨彲浠ヨ闂閮ㄧ被鐨勬垚鍛樺彉閲忥紙鍗充嬌鏄痯rivate錛夛紝濡傚湪Family綾諱腑娣誨姞鎴愬憳鍙橀噺height錛屽湪Father綾諱腑瀹氫箟涓涓柟娉?getHeight()錛屽垯鑳芥垚鍔熻闂繖涓猦eight鍙橀噺錛岃屽湪澶栭儴綾諱腑涓嶈兘璁塊棶鍐呴儴綾諱腑鐨勬垚鍛樺彉閲忋?br /><br /><div style="background-color:#eeeeee;font-size:13px;border:1px solid #CCCCCC;padding-right: 5px;padding-bottom: 4px;padding-left: 4px;padding-top: 4px;width: 98%;word-break:break-all"><!--<br /><br />Code highlighting produced by Actipro CodeHighlighter (freeware)<br />http://www.CodeHighlighter.com/<br /><br />--><br /><span style="color: #0000FF; ">class</span> Family<br />{<br />     <span style="color: #0000FF; ">private</span> <span style="color: #0000FF; ">int</span> height = 180; <span style="color: #008000; ">/*</span><span style="color: #008000; ">瀹氫箟澶栭儴綾誨睘鎬eight</span><span style="color: #008000; ">*/</span><br />     Family(String name,<span style="color: #0000FF; ">int</span> weight){ <span style="color: #0000FF; ">this</span>.f = <span style="color: #0000FF; ">new</span> Father(name,weight); }<br />     <span style="color: #0000FF; ">private</span> <span style="color: #0000FF; ">class</span> Father<br />     {<br />       <span style="color: #0000FF; ">private</span> <span style="color: #0000FF; ">int</span> weight;<br />       <span style="color: #0000FF; ">private</span> String name;<br />       Father(String n,<span style="color: #0000FF; ">int</span> w)<br />       {<br />          <span style="color: #0000FF; ">this</span>.name = n;<br />          <span style="color: #0000FF; ">this</span>.weight = w;<br />       }<br />       <span style="color: #0000FF; ">public</span> <span style="color: #0000FF; ">int</span> getWeight()<br />       {<br />          <span style="color: #0000FF; ">return</span> weight;<br />       }<br />       <span style="color: #0000FF; ">public</span> String getName()<br />       {<br />          <span style="color: #0000FF; ">return</span> name;<br />       }<br />       <span style="color: #0000FF; ">public</span> <span style="color: #0000FF; ">int</span> getHeight()<br />       {<br />          <span style="color: #0000FF; ">return</span> height;   <span style="color: #008000; ">/*</span><span style="color: #008000; ">璁塊棶澶栭儴綾葷殑灞炴eight</span><span style="color: #008000; ">*/</span><br />       }<br />      }<br /><br />     <span style="color: #0000FF; ">private</span> Father f;<br />     <span style="color: #0000FF; ">public</span> <span style="color: #0000FF; ">void</span> getMsg()<br />     {<br />          System.out.println("Name: "+f.getName()+"\nWeight: "+f.getWeight()+"\nHeight: "+f.getHeight());<br />     }<br />}<br /><span style="color: #0000FF; ">public</span> <span style="color: #0000FF; ">class</span> test<br />{<br />    <span style="color: #0000FF; ">public</span> <span style="color: #0000FF; ">static</span> <span style="color: #0000FF; ">void</span> main(String[] args)<br />    {<br />      Family my = <span style="color: #0000FF; ">new</span> Family("Jonh",130);<br />      my.getMsg();<br />        <span style="color: #008000;">/*</span><span style="color: #008000;"> not allowed </span><span style="color: #008000;">*/</span><div style="border: 1px solid #cccccc; padding: 4px 5px 4px 4px; width: 98%; word-break: break-all;">  <span style="color: #008000; ">/*</span><span style="color: #008000; "> System.out.println(my.weight); </span><span style="color: #008000; ">*/</span></div>    }<br />}</div><br />濡傛灉鎶婂唴閮ㄧ被鍗曠嫭鎷垮埌澶栭潰鏉ュ０鏄庯紝閭ｄ箞瑕佷嬌鐢ㄥ閮ㄧ被鐨勫睘鎬уheight錛屽氨瑕佸厛鍒涘緩澶栭儴綾葷殑瀵硅薄錛屽啀鐢卞璞¤皟鐢ㄥ叾height灞炴э紝鐜板湪鐢變簬鍐呴儴綾誨浜庡閮ㄧ被涓紝鎵浠ュ湪紼嬪簭璋冪敤鏃朵笉蹇呭啀鍒涘緩澶栭儴綾葷殑瀵硅薄錛岀洿鎺ュ氨鍙互浣跨敤height錛岃繖鏍峰噺灝戜簡涓閮ㄥ垎鍐呭瓨絀洪棿鐨勫紑閿銆?br /><br /><strong>宓屽static綾?/strong><br /><br />鍦ㄧ被鍐呴儴瀹氫箟static綾伙紝縐頒負宓屽static綾匯?br />鎴戜滑鍙互鐩存帴鍒涘緩宓屽綾伙紝鑰屼笉蹇呬緷璧栦簬鏌愪釜澶栭儴綾誨璞°傚祵濂楃被鏃犳硶璋冪敤澶栭儴瀵硅薄鐨勬柟娉曘佷篃鏃犳硶璇誨彇鎴栦慨鏀瑰閮ㄥ璞＄殑鏁版嵁銆?br />濡傦細<br /><div style="background-color:#eeeeee;font-size:13px;border:1px solid #CCCCCC;padding-right: 5px;padding-bottom: 4px;padding-left: 4px;padding-top: 4px;width: 98%;word-break:break-all"><!--<br /><br />Code highlighting produced by Actipro CodeHighlighter (freeware)<br />http://www.CodeHighlighter.com/<br /><br />--><span style="color: #0000FF; ">public</span> <span style="color: #0000FF; ">class</span> Test{<br />    <span style="color: #0000FF; ">public</span> <span style="color: #0000FF; ">static</span> <span style="color: #0000FF; ">void</span> main(String[] args){<br />        Father.Son John = <span style="color: #0000FF; ">new</span> Father.Son();<br />        John.display();<br />     }<br />}<br /><br /><span style="color: #0000FF; ">class</span> Father{<br />  <span style="color: #008000; ">/*</span><span style="color: #008000; ">宓屽綾?/span><span style="color: #008000; ">*/</span><br /> <span style="color: #0000FF; ">static</span> <span style="color: #0000FF; ">class</span> Son{<br />     <span style="color: #0000FF; ">public</span> <span style="color: #0000FF; ">void</span> display(){<br />        System.out.println("I am his son.");<br />     }<br />   }<br />}</div><br /><strong>鎬葷粨</strong><br />1. 鍐呴儴綾諱赴瀵屼簡綾葷殑緇勭粐褰㈠紡錛?br />2. 鍐呴儴綾誨疄鐜頒簡闂寘銆?br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><img src ="http://www.shnenglu.com/zhenglinbo/aggbug/203473.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/zhenglinbo/" target="_blank">hoshelly</a> 2013-09-28 14:26 <a href="http://www.shnenglu.com/zhenglinbo/archive/2013/09/28/203473.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>Java瀵硅薄寮曠敤錛堣漿錛?/title><link>http://www.shnenglu.com/zhenglinbo/archive/2013/09/27/203450.html</link><dc:creator>hoshelly</dc:creator><author>hoshelly</author><pubDate>Fri, 27 Sep 2013 00:39:00 GMT</pubDate><guid>http://www.shnenglu.com/zhenglinbo/archive/2013/09/27/203450.html</guid><wfw:comment>http://www.shnenglu.com/zhenglinbo/comments/203450.html</wfw:comment><comments>http://www.shnenglu.com/zhenglinbo/archive/2013/09/27/203450.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.shnenglu.com/zhenglinbo/comments/commentRss/203450.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/zhenglinbo/services/trackbacks/203450.html</trackback:ping><description><![CDATA[<div><span style="font-size: 12px;">浣滆咃細Vamei 鍑哄錛歨ttp://www.cnblogs.com/vamei 嬈㈣繋杞澆錛屼篃璇蜂繚鐣欒繖孌靛０鏄庛傝阿璋紒</span></div><div><span style="font-size: 12px;"><br /></span></div><div> </div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">鎴戜滑涔嬪墠涓鐩村湪浣跨敤“瀵硅薄”榪欎釜姒傚康錛屼絾娌℃湁鎺㈣瀵硅薄鍦ㄥ唴瀛樹腑鐨勫叿浣撳瓨鍌ㄦ柟寮忋傝繖鏂歸潰鐨勮璁哄皢寮曞嚭“瀵硅薄寮曠敤”(object reference)榪欎竴閲嶈姒傚康銆?nbsp;</span></div><div><span style="font-size: 12px;"><br /></span></div><div> </div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">瀵硅薄寮曠敤</span></div><div><span style="font-size: 12px;">鎴戜滑娌跨敤涔嬪墠瀹氫箟鐨凥uman綾伙紝騫舵湁涓涓猅est綾?</span></div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">澶嶅埗浠ｇ爜</span></div><div><span style="font-size: 12px;">public class Test</span></div><div><span style="font-size: 12px;">{</span></div><div><span style="font-size: 12px;">    public static void main(String[] args)</span></div><div><span style="font-size: 12px;">    {</span></div><div><span style="font-size: 12px;">        Human aPerson = new Human(160);                 </span></div><div><span style="font-size: 12px;">    }</span></div><div><span style="font-size: 12px;">}</span></div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">class Human</span></div><div><span style="font-size: 12px;">{   </span></div><div><span style="font-size: 12px;">    /**</span></div><div><span style="font-size: 12px;">     * constructor</span></div><div><span style="font-size: 12px;">     */</span></div><div><span style="font-size: 12px;">    public Human(int h)</span></div><div><span style="font-size: 12px;">    {</span></div><div><span style="font-size: 12px;">        this.height = h;</span></div><div><span style="font-size: 12px;">    }</span></div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">    /**</span></div><div><span style="font-size: 12px;">     * accessor</span></div><div><span style="font-size: 12px;">     */</span></div><div><span style="font-size: 12px;">    public int getHeight()</span></div><div><span style="font-size: 12px;">    {</span></div><div><span style="font-size: 12px;">       return this.height;</span></div><div><span style="font-size: 12px;">    }</span></div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">    /**</span></div><div><span style="font-size: 12px;">     * mutator</span></div><div><span style="font-size: 12px;">     */</span></div><div><span style="font-size: 12px;">    public void growHeight(int h)</span></div><div><span style="font-size: 12px;">    {</span></div><div><span style="font-size: 12px;">        this.height = this.height + h;</span></div><div><span style="font-size: 12px;">    }</span></div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">    private int height;</span></div><div><span style="font-size: 12px;">}</span></div><div><span style="font-size: 12px;">澶嶅埗浠ｇ爜</span></div><div> </div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">澶栭儴鍙互璋冪敤綾繪潵鍒涘緩瀵硅薄錛屾瘮濡備笂闈㈠湪Test綾諱腑:</span></div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">Human aPerson = new Human(160);</span></div><div><span style="font-size: 12px;">鍒涘緩浜嗕竴涓狧uman綾葷殑瀵硅薄aPerson銆?nbsp;</span></div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">涓婇潰鏄竴涓潪甯哥畝鍗曠殑琛ㄨ堪錛屼絾鎴戜滑鏈夎澶氱粏鑺傞渶瑕佹繁鍏?</span></div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">棣栧厛鐪嬬瓑鍙風殑鍙充晶銆俷ew鏄湪鍐呭瓨涓負瀵硅薄寮杈熺┖闂淬傚叿浣撴潵璇達紝new鏄湪鍐呭瓨鐨勫爢(heap)涓婁負瀵硅薄寮杈熺┖闂淬傝繖涓絀洪棿涓紝淇濆瓨鏈夊璞＄殑鏁版嵁鍜屾柟娉曘?/span></div><div><span style="font-size: 12px;">鍐嶇湅絳夊彿鐨勫乏渚с俛Person鎸囦唬涓涓狧uman瀵硅薄錛岃縐頒負瀵硅薄寮曠敤(reference)銆傚疄闄呬笂錛宎Person騫朵笉鏄璞℃湰韜紝鑰屾槸綾諱技浜庝竴涓寚鍚戝璞＄殑鎸囬拡銆俛Person瀛樺湪浜庡唴瀛樼殑鏍?stack)涓?/span></div><div><span style="font-size: 12px;">褰撴垜浠敤絳夊彿璧嬪兼椂錛屾槸灝嗗彸渚ew鍦ㄥ爢涓垱寤哄璞＄殑鍦板潃璧嬩簣緇欏璞″紩鐢ㄣ?/span></div><div><span style="font-size: 12px;">榪欓噷鐨勫唴瀛橈紝鎸囩殑鏄疛VM (Java Virtual Machine)铏氭嫙鍑烘潵鐨凧ava榪涚▼鍐呭瓨絀洪棿銆傚唴瀛樼殑鍫嗗拰鏍堟蹇靛彲鍙傝僉inux浠庣▼搴忓埌榪涚▼銆?/span></div><div><span style="font-size: 12px;"><br /></span></div><div> <img src="http://www.shnenglu.com/images/cppblog_com/zhenglinbo/31232316-9ceb14006ae34b97b3fbefaafccc9f80.png" border="0" alt="" width="211" height="274" /></div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">瀵硅薄寮曠敤</span></div><div><span style="font-size: 12px;"><br /></span></div><div></div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">鏍堢殑璇誨彇閫熷害姣斿爢蹇紝浣嗘爤涓婂瓨鍌ㄧ殑鏁版嵁鍙楀埌鏈夋晥鑼冨洿鐨勯檺鍒躲傚湪C璇█涓紝褰撲竴嬈″嚱鏁拌皟鐢ㄧ粨鏉熸椂錛岀浉搴旂殑鏍堝撫(stack frame)瑕佸垹闄わ紝鏍堝撫涓婂瓨鍌ㄧ殑鍙傞噺鍜岃嚜鍔ㄥ彉閲忓氨娑堝け浜嗐侸ava鐨勬爤涔熷彈鍒板悓鏍風殑闄愬埗錛屽綋涓嬈℃柟娉曡皟鐢ㄧ粨鏉燂紝璇ユ柟娉曞瓨鍌ㄥ湪鏍堜笂鐨勬暟鎹皢娓呯┖銆傚湪 Java涓紝鎵鏈夌殑(鏅?瀵硅薄閮藉偍瀛樺湪鍫嗕笂銆傚洜姝わ紝new鍏抽敭瀛楃殑瀹屾暣鍚箟鏄紝鍦ㄥ爢涓婂垱寤哄璞°?/span></div><div><span style="font-size: 12px;"><br /></span></div><div> </div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">鍩烘湰綾誨瀷(primitive type)鐨勫璞★紝姣斿int, double錛屼繚瀛樺湪鏍堜笂銆傚綋鎴戜滑澹版槑鍩烘湰綾誨瀷鏃訛紝涓嶉渶瑕乶ew銆備竴鏃﹀０鏄庯紝Java灝嗗湪鏍堜笂鐩存帴瀛樺偍鍩烘湰綾誨瀷鐨勬暟鎹傛墍浠ワ紝鍩烘湰綾誨瀷鐨勫彉閲忓悕琛ㄧず鐨勬槸鏁版嵁鏈韓錛屼笉鏄紩鐢ㄣ?/span></div><div><span style="font-size: 12px;"><br /></span></div><div> </div><div><span style="font-size: 12px;"><br /></span></div><div> </div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">寮曠敤鍜屽璞＄殑鍏崇郴灝卞儚椋庣瓭鍜屼漢銆傛垜浠湅澶╃┖鏃?紼嬪簭閲屽啓鐨?錛岀湅鍒扮殑鏄絳?寮曠敤)錛屼絾椋庣瓭涓嬮潰瀵瑰簲鐨勶紝鏄漢(瀵硅薄):</span></div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;"><img src="http://www.shnenglu.com/images/cppblog_com/zhenglinbo/2.jpg" border="0" alt="" width="600" height="776" /><br /></span></div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">寮曠敤鍜屽璞″垎紱伙紱寮曠敤鎸囧悜瀵硅薄</span></div><div><span style="font-size: 12px;"><br /></span></div><div> </div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">灝界寮曠敤鍜屽璞℃槸鍒嗙鐨勶紝浣嗘垜浠墍鏈夐氬線瀵硅薄鐨勮闂繀欏葷粡榪囧紩鐢ㄨ繖涓?#8220;澶ч棬”錛屾瘮濡備互 寮曠敤.鏂規硶() 鐨勬柟寮忚闂璞＄殑鏂規硶銆傚湪Java涓紝鎴戜滑涓嶈兘璺寵繃寮曠敤鍘葷洿鎺ユ帴瑙﹀璞°傚啀姣斿錛屽璞鐨勬暟鎹垚鍛樺鏋滄槸涓涓櫘閫氬璞錛宎鐨勬暟鎹垚鍛樹繚瀛樼殑鏄寚鍚戝璞鐨勫紩鐢?(濡傛灉鏄熀鏈被鍨嬪彉閲忥紝閭ｄ箞a鐨勬暟鎹垚鍛樹繚瀛樼殑鏄熀鏈被鍨嬪彉閲忔湰韜簡)銆?/span></div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">鍦↗ava涓紝寮曠敤璧峰埌浜嗘寚閽堢殑浣滅敤錛屼絾鎴戜滑涓嶈兘鐩存帴淇敼鎸囬拡鐨勫鹼紝姣斿鍍廋璇█閭ｆ牱灝嗘寚閽堝煎姞1銆傛垜浠彧鑳介氳繃寮曠敤鎵ц瀵瑰璞＄殑鎿嶄綔銆傝繖鏍風殑璁捐閬垮厤浜嗚澶氭寚閽堝彲鑳藉紩璧風殑閿欒銆?/span></div><div><span style="font-size: 12px;"><br /></span></div><div> </div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">寮曠敤鐨勮祴鍊?/span></div><div><span style="font-size: 12px;">褰撴垜浠皢涓涓紩鐢ㄨ祴鍊肩粰鍙︿竴涓紩鐢ㄦ椂錛屾垜浠疄闄呬笂澶嶅埗鐨勬槸瀵硅薄鐨勫湴鍧銆備袱涓紩鐢ㄥ皢鎸囧悜鍚屼竴瀵硅薄銆傛瘮濡?dummyPerson=aPerson;錛屽皢瀵艱嚧:</span></div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;"><img src="http://www.shnenglu.com/images/cppblog_com/zhenglinbo/3.png" border="0" alt="" width="279" height="318" /><br /></span></div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">涓涓璞″彲浠ユ湁澶氫釜寮曠敤 (涓涓漢鍙互鏀懼涓絳?銆傚綋紼嬪簭閫氳繃鏌愪釜寮曠敤淇敼瀵硅薄鏃訛紝閫氳繃鍏朵粬寮曠敤涔熷彲浠ョ湅鍒拌淇敼銆傛垜浠彲浠ョ敤浠ヤ笅Test綾繪潵嫻嬭瘯瀹為檯鏁堟灉:</span></div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">澶嶅埗浠ｇ爜</span></div><div><span style="font-size: 12px;">public class Test</span></div><div><span style="font-size: 12px;">{</span></div><div><span style="font-size: 12px;">    public static void main(String[] args)</span></div><div><span style="font-size: 12px;">        {</span></div><div><span style="font-size: 12px;">             Human aPerson = new Human(160);</span></div><div><span style="font-size: 12px;">             Human dummyPerson = aPerson;</span></div><div><span style="font-size: 12px;">             System.out.println(dummyPerson.getHeight());</span></div><div><span style="font-size: 12px;">             aPerson.growHeight(20);</span></div><div><span style="font-size: 12px;">             System.out.println(dummyPerson.getHeight());</span></div><div><span style="font-size: 12px;">        }</span></div><div><span style="font-size: 12px;">}</span></div><div><span style="font-size: 12px;">澶嶅埗浠ｇ爜</span></div><div><span style="font-size: 12px;">鎴戜滑瀵筧Person鐨勪慨鏀瑰皢褰卞搷鍒癲ummyPerson銆傝繖涓や釜寮曠敤瀹為檯涓婃寚鍚戝悓涓瀵硅薄銆?/span></div><div><span style="font-size: 12px;"><br /></span></div><div> </div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">鎵浠ワ紝灝嗕竴涓紩鐢ㄨ祴鍊肩粰鍙︿竴涓紩鐢紝騫朵笉鑳藉鍒跺璞℃湰韜傛垜浠繀欏誨姹傚叾浠栫殑鏈哄埗鏉ュ鍒跺璞°?/span></div><div><span style="font-size: 12px;"><br /></span></div><div> </div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">鍨冨溇鍥炴敹</span></div><div><span style="font-size: 12px;">闅忕潃鏂規硶璋冪敤鐨勭粨鏉燂紝寮曠敤鍜屽熀鏈被鍨嬪彉閲忎細琚竻絀恒傜敱浜庡璞″瓨媧諱簬鍫嗭紝鎵浠ュ璞℃墍鍗犳嵁鐨勫唴瀛樹笉浼氶殢鐫鏂規硶璋冪敤鐨勭粨鏉熻屾竻絀恒傝繘紼嬬┖闂村彲鑳藉緢蹇涓嶆柇鍒涘緩鐨勫璞″崰婊°侸ava鍐呭緩鏈夊瀮鍦懼洖鏀?garbage collection)鏈哄埗錛岀敤浜庢竻絀轟笉鍐嶄嬌鐢ㄧ殑瀵硅薄錛屼互鍥炴敹鍐呭瓨絀洪棿銆?/span></div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">鍨冨溇鍥炴敹鐨勫熀鏈師鍒欐槸錛屽綋瀛樺湪寮曠敤鎸囧悜鏌愪釜瀵硅薄鏃訛紝閭ｄ箞璇ュ璞′笉浼氳鍥炴敹; 褰撴病鏈変換浣曞紩鐢ㄦ寚鍚戞煇涓璞℃椂錛岃瀵硅薄琚竻絀恒傚畠鎵鍗犳嵁鐨勭┖闂磋鍥炴敹銆?/span></div><div><span style="font-size: 12px;"><img src="http://www.shnenglu.com/images/cppblog_com/zhenglinbo/4.png" border="0" alt="" width="307" height="464" /><br /></span></div><div><span style="font-size: 12px;">涓婂浘鍋囪浜嗘煇涓椂鍒籎VM涓殑鍐呭瓨鐘舵併侶uman Object鏈変笁涓紩鐢? 鏉ヨ嚜鏍堢殑aPerson鍜宒ummyPerson錛屼互鍙婂彟涓涓璞＄殑鏁版嵁鎴愬憳president銆傝孋lub Object娌℃湁寮曠敤銆傚鏋滆繖涓椂鍊欏瀮鍦懼洖鏀跺惎鍔紝閭ｄ箞Club Object灝嗚娓呯┖錛岃孒uman Object鏉ヨ嚜Club Object鐨勫紩鐢?president)涔熼殢涔嬭鍒犻櫎銆?/span></div><div><span style="font-size: 12px;"><br /></span></div><div> </div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">鍨冨溇鍥炴敹鏄疛ava涓噸瑕佺殑鏈哄埗錛屽畠鐩存帴褰卞搷浜咼ava鐨勮繍琛屾晥鐜囥傛垜灝嗗湪浠ュ悗娣卞叆鍏剁粏鑺傘?/span></div><div><span style="font-size: 12px;"><br /></span></div><div> </div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">鍙傛暟浼犻?br /><br /></span></div><div><span style="font-size: 12px;">褰撴垜浠垎紱諱簡寮曠敤鍜屽璞＄殑姒傚康鍚庯紝Java鏂規硶鐨勫弬鏁頒紶閫掓満鍒跺疄闄呬笂闈炲父娓呮櫚: Java鐨勫弬鏁頒紶閫掍負鍊間紶閫掋備篃灝辨槸璇達紝褰撴垜浠紶閫掍竴涓弬鏁版椂錛屾柟娉曞皢鑾峰緱璇ュ弬鏁扮殑涓涓嫹璐濄?/span></div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">瀹為檯涓婏紝鎴戜滑浼犻掔殑鍙傛暟錛屼竴涓槸鍩烘湰綾誨瀷鐨勫彉閲忥紝鍙︿竴涓負瀵硅薄鐨勫紩鐢ㄣ?/span></div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">鍩烘湰綾誨瀷鍙橀噺鐨勫間紶閫掞紝鎰忓懗鐫鍙橀噺鏈韓琚鍒訛紝騫朵紶閫掔粰Java鏂規硶銆侸ava鏂規硶瀵瑰彉閲忕殑淇敼涓嶄細褰卞搷鍒板師鍙橀噺銆?/span></div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">寮曠敤鐨勫間紶閫掞紝鎰忓懗鐫瀵硅薄鐨勫湴鍧琚鍒訛紝騫朵紶閫掔粰Java鏂規硶銆侸ava鏂規硶鏍規嵁璇ュ紩鐢ㄧ殑璁塊棶灝嗕細褰卞搷瀵硅薄銆?/span></div><div><span style="font-size: 12px;"><br /></span></div><div> </div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">鍦ㄨ繖閲屾湁鍙︿竴涓煎緱涓鎻愮殑鎯呭喌: 鎴戜滑鍦ㄦ柟娉曞唴閮ㄤ嬌鐢╪ew鍒涘緩瀵硅薄錛屽茍灝嗚瀵硅薄鐨勫紩鐢ㄨ繑鍥炪傚鏋滆榪斿洖琚竴涓紩鐢ㄦ帴鏀訛紝鐢變簬瀵硅薄鐨勫紩鐢ㄤ笉涓?錛屽璞′緷鐒跺瓨鍦紝涓嶄細琚瀮鍦懼洖鏀躲?/span></div><div><span style="font-size: 12px;"><br /></span></div><div> </div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">鎬葷粨</span></div><div><span style="font-size: 12px;">new</span></div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">寮曠敤錛屽璞?/span></div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">琚瀮鍦懼洖鏀剁殑鏉′歡</span></div><div><span style="font-size: 12px;"><br /></span></div><div><span style="font-size: 12px;">鍙傛暟: 鍊間紶閫?/span></div><div><span style="font-size: 12px;"><br /></span></div><div> </div><img src ="http://www.shnenglu.com/zhenglinbo/aggbug/203450.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/zhenglinbo/" target="_blank">hoshelly</a> 2013-09-27 08:39 <a href="http://www.shnenglu.com/zhenglinbo/archive/2013/09/27/203450.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>Java socket緙栫▼鍏ラ棬錛堣漿錛?/title><link>http://www.shnenglu.com/zhenglinbo/archive/2013/07/05/201533.html</link><dc:creator>hoshelly</dc:creator><author>hoshelly</author><pubDate>Fri, 05 Jul 2013 07:55:00 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