﻿<?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-边城愚夫-随笔分类-J2SE</title><link>http://www.blogjava.net/kafka0102/category/22673.html</link><description>如果我不在边城，我一定是在前往边城的路上。</description><language>zh-cn</language><lastBuildDate>Tue, 21 Aug 2007 18:53:33 GMT</lastBuildDate><pubDate>Tue, 21 Aug 2007 18:53:33 GMT</pubDate><ttl>60</ttl><item><title>关于DAO执行效率问题的留言的无关痛痒的简单回复</title><link>http://www.blogjava.net/kafka0102/archive/2007/08/21/138467.html</link><dc:creator>kafka0102</dc:creator><author>kafka0102</author><pubDate>Tue, 21 Aug 2007 14:47:00 GMT</pubDate><guid>http://www.blogjava.net/kafka0102/archive/2007/08/21/138467.html</guid><wfw:comment>http://www.blogjava.net/kafka0102/comments/138467.html</wfw:comment><comments>http://www.blogjava.net/kafka0102/archive/2007/08/21/138467.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/kafka0102/comments/commentRss/138467.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/kafka0102/services/trackbacks/138467.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 今日发现一名为savage100的同学问我关于范型效率的问题的留言，抱着负责任的态度，想给那位仁兄做个回复，不成想未发现blogjava有回复功能，而且也未找到savage100的博客。唉！于“百忙之中”以此文作解，也算尽了我回复之责任。&nbsp;&nbsp;<a href='http://www.blogjava.net/kafka0102/archive/2007/08/21/138467.html'>阅读全文</a><img src ="http://www.blogjava.net/kafka0102/aggbug/138467.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/kafka0102/" target="_blank">kafka0102</a> 2007-08-21 22:47 <a href="http://www.blogjava.net/kafka0102/archive/2007/08/21/138467.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>使用Java中Calendar等日期操作类</title><link>http://www.blogjava.net/kafka0102/archive/2007/06/22/125720.html</link><dc:creator>kafka0102</dc:creator><author>kafka0102</author><pubDate>Fri, 22 Jun 2007 00:40:00 GMT</pubDate><guid>http://www.blogjava.net/kafka0102/archive/2007/06/22/125720.html</guid><wfw:comment>http://www.blogjava.net/kafka0102/comments/125720.html</wfw:comment><comments>http://www.blogjava.net/kafka0102/archive/2007/06/22/125720.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/kafka0102/comments/commentRss/125720.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/kafka0102/services/trackbacks/125720.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 对于没有使用过Calendar的程序员来说，再次处理日期时不妨使用Calendar而不仅仅是Date和SimpleDateFormat等类。这篇文章根据几个使用日期的场景来说明如何使用Calendar等类。<br>        在数据库编程时，我们通常将java日期字段选作Date型的（一般是java.sql.Date，继承于java.util.Date，使用方法是类似的），当然也可以存储为字符串甚至是long型的time，但我们这里只讨论date型的。如果存储的时间是系统当前时间，我们可以使用Date d = new Date();就得到想要的时间；以前我编程时也指定存储日期的格式，但现在想来不是很有必要，完全可以在读出数据时指定格式。另一种可选的方法是使用 Calendar类，方法如下：&nbsp;&nbsp;<a href='http://www.blogjava.net/kafka0102/archive/2007/06/22/125720.html'>阅读全文</a><img src ="http://www.blogjava.net/kafka0102/aggbug/125720.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/kafka0102/" target="_blank">kafka0102</a> 2007-06-22 08:40 <a href="http://www.blogjava.net/kafka0102/archive/2007/06/22/125720.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>上溯造型和下溯造型</title><link>http://www.blogjava.net/kafka0102/archive/2007/05/21/118998.html</link><dc:creator>kafka0102</dc:creator><author>kafka0102</author><pubDate>Mon, 21 May 2007 14:34:00 GMT</pubDate><guid>http://www.blogjava.net/kafka0102/archive/2007/05/21/118998.html</guid><wfw:comment>http://www.blogjava.net/kafka0102/comments/118998.html</wfw:comment><comments>http://www.blogjava.net/kafka0102/archive/2007/05/21/118998.html#Feedback</comments><slash:comments>2</slash:comments><wfw:commentRss>http://www.blogjava.net/kafka0102/comments/commentRss/118998.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/kafka0102/services/trackbacks/118998.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 题按：做了几年的java程序，却很难说对基本的OO概念都有理解。即便每天都写的代码中，也很难说清楚其中到底运用了怎样的概念和思想。前日的考试中看到关于上溯造型与下溯造型的问题，就查了些资料，集中说一下吧。&nbsp;&nbsp;<a href='http://www.blogjava.net/kafka0102/archive/2007/05/21/118998.html'>阅读全文</a><img src ="http://www.blogjava.net/kafka0102/aggbug/118998.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/kafka0102/" target="_blank">kafka0102</a> 2007-05-21 22:34 <a href="http://www.blogjava.net/kafka0102/archive/2007/05/21/118998.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>