﻿<?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-Ericzhang5231-随笔分类-Design Pattern</title><link>http://www.blogjava.net/Ericzhang5231/category/29197.html</link><description /><language>zh-cn</language><lastBuildDate>Sun, 27 Jan 2008 08:10:11 GMT</lastBuildDate><pubDate>Sun, 27 Jan 2008 08:10:11 GMT</pubDate><ttl>60</ttl><item><title>FlyWeight Design Pattern(享元模式)(转)</title><link>http://www.blogjava.net/Ericzhang5231/archive/2008/01/27/DesignPattern.html</link><dc:creator>Eric5231</dc:creator><author>Eric5231</author><pubDate>Sun, 27 Jan 2008 03:07:00 GMT</pubDate><guid>http://www.blogjava.net/Ericzhang5231/archive/2008/01/27/DesignPattern.html</guid><wfw:comment>http://www.blogjava.net/Ericzhang5231/comments/177994.html</wfw:comment><comments>http://www.blogjava.net/Ericzhang5231/archive/2008/01/27/DesignPattern.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/Ericzhang5231/comments/commentRss/177994.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/Ericzhang5231/services/trackbacks/177994.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 也就是说在一个系统中如果有多个相同的对象，那么只共享一份就可以了，不必每个都去实例化一个对象。比如说（这里引用GOF书中的例子）一个文本系统，每个字母定一个对象，那么大小写字母一共就是52个，那么就要定义52个对象。如果有一个1M的文本，那么字母是何其的多，如果每个字母都定义一个对象那么内存早就爆了。那么如果要是每个字母都共享一个对象，那么就大大节约了资源&nbsp;&nbsp;<a href='http://www.blogjava.net/Ericzhang5231/archive/2008/01/27/DesignPattern.html'>阅读全文</a><img src ="http://www.blogjava.net/Ericzhang5231/aggbug/177994.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/Ericzhang5231/" target="_blank">Eric5231</a> 2008-01-27 11:07 <a href="http://www.blogjava.net/Ericzhang5231/archive/2008/01/27/DesignPattern.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>