﻿<?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>BlogJava-andy's blog-文章分类-JAVA语言</title><link>http://www.blogjava.net/zhoumin007/category/9002.html</link><description>记录我的所做所思</description><language>zh-cn</language><lastBuildDate>Fri, 02 Mar 2007 06:45:31 GMT</lastBuildDate><pubDate>Fri, 02 Mar 2007 06:45:31 GMT</pubDate><ttl>60</ttl><item><title>深入字符串处理</title><link>http://www.blogjava.net/zhoumin007/articles/38869.html</link><dc:creator>zhoumin</dc:creator><author>zhoumin</author><pubDate>Mon, 03 Apr 2006 04:14:00 GMT</pubDate><guid>http://www.blogjava.net/zhoumin007/articles/38869.html</guid><wfw:comment>http://www.blogjava.net/zhoumin007/comments/38869.html</wfw:comment><comments>http://www.blogjava.net/zhoumin007/articles/38869.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/zhoumin007/comments/commentRss/38869.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/zhoumin007/services/trackbacks/38869.html</trackback:ping><description><![CDATA[对String,StringBuffer,StringTokenizer进行深入研究。<br />一：String<br />      产生String对象的方法有两种　　
<div style="BORDER-RIGHT: #cccccc 1px solid; PADDING-RIGHT: 5px; BORDER-TOP: #cccccc 1px solid; PADDING-LEFT: 4px; FONT-SIZE: 13px; PADDING-BOTTOM: 4px; BORDER-LEFT: #cccccc 1px solid; WIDTH: 98%; WORD-BREAK: break-all; PADDING-TOP: 4px; BORDER-BOTTOM: #cccccc 1px solid; BACKGROUND-COLOR: #eeeeee"><img src="http://www.blogjava.net/images/OutliningIndicators/None.gif" align="top" /><span style="COLOR: #000000">String str1</span><span style="COLOR: #000000">=</span><span style="COLOR: #0000ff">new</span><span style="COLOR: #000000"> String(</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">java</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">);</span><span style="COLOR: #008000">//</span><span style="COLOR: #008000">类似其它类</span><span style="COLOR: #008000"><br /><img src="http://www.blogjava.net/images/OutliningIndicators/None.gif" align="top" /></span><span style="COLOR: #000000">String str2</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">java</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">;</span><span style="COLOR: #008000">//</span><span style="COLOR: #008000">类似基本类型</span><span style="COLOR: #008000"><br /><img src="http://www.blogjava.net/images/OutliningIndicators/None.gif" align="top" /></span><span style="COLOR: #000000">String str3</span><span style="COLOR: #000000">=</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">java</span><span style="COLOR: #000000">"</span><span style="COLOR: #000000">;</span><span style="COLOR: #008000">//<br /><img src="http://www.blogjava.net/images/OutliningIndicators/None.gif" align="top" /></span><span style="COLOR: #000000">System.out.println(str1</span><span style="COLOR: #000000">==</span><span style="COLOR: #000000">str2);</span><span style="COLOR: #008000">//</span><span style="COLOR: #008000">false</span><span style="COLOR: #008000"><br /><img src="http://www.blogjava.net/images/OutliningIndicators/None.gif" align="top" /></span><span style="COLOR: #000000">System.out.println(str2</span><span style="COLOR: #000000">==</span><span style="COLOR: #000000">str3);</span><span style="COLOR: #008000">//</span><span style="COLOR: #008000">true<br /><img src="http://www.blogjava.net/images/OutliningIndicators/None.gif" align="top" /></span><span style="COLOR: #008000">//</span><span style="COLOR: #008000">第二种赋值的方法，为提高程序运行速度，内存中专门有<br /><img src="http://www.blogjava.net/images/OutliningIndicators/None.gif" align="top" /></span><span style="COLOR: #008000">//</span><span style="COLOR: #008000">一块String Pool的部分，字符串相同的只有一份，所以<br /><img src="http://www.blogjava.net/images/OutliningIndicators/None.gif" align="top" /></span><span style="COLOR: #008000">//</span><span style="COLOR: #008000">str2和str3指向同一内存地址。</span></div><img src ="http://www.blogjava.net/zhoumin007/aggbug/38869.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/zhoumin007/" target="_blank">zhoumin</a> 2006-04-03 12:14 <a href="http://www.blogjava.net/zhoumin007/articles/38869.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>