﻿<?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-teasp-随笔分类-Java学习</title><link>http://www.blogjava.net/teasp/category/24793.html</link><description /><language>zh-cn</language><lastBuildDate>Thu, 20 Sep 2007 10:06:27 GMT</lastBuildDate><pubDate>Thu, 20 Sep 2007 10:06:27 GMT</pubDate><ttl>60</ttl><item><title>正方形不是长方形的终极解决办法</title><link>http://www.blogjava.net/teasp/archive/2007/09/20/146810.html</link><dc:creator>teasp</dc:creator><author>teasp</author><pubDate>Thu, 20 Sep 2007 08:33:00 GMT</pubDate><guid>http://www.blogjava.net/teasp/archive/2007/09/20/146810.html</guid><wfw:comment>http://www.blogjava.net/teasp/comments/146810.html</wfw:comment><comments>http://www.blogjava.net/teasp/archive/2007/09/20/146810.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.blogjava.net/teasp/comments/commentRss/146810.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/teasp/services/trackbacks/146810.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: &nbsp;&nbsp;<a href='http://www.blogjava.net/teasp/archive/2007/09/20/146810.html'>阅读全文</a><img src ="http://www.blogjava.net/teasp/aggbug/146810.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/teasp/" target="_blank">teasp</a> 2007-09-20 16:33 <a href="http://www.blogjava.net/teasp/archive/2007/09/20/146810.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>白马是马吗？</title><link>http://www.blogjava.net/teasp/archive/2007/09/20/146751.html</link><dc:creator>teasp</dc:creator><author>teasp</author><pubDate>Thu, 20 Sep 2007 04:42:00 GMT</pubDate><guid>http://www.blogjava.net/teasp/archive/2007/09/20/146751.html</guid><wfw:comment>http://www.blogjava.net/teasp/comments/146751.html</wfw:comment><comments>http://www.blogjava.net/teasp/archive/2007/09/20/146751.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/teasp/comments/commentRss/146751.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/teasp/services/trackbacks/146751.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 白马是马吗？本来这不应该是个问题，可是到了OO程序员这里，它就成了问题。不过程序员们通常讨论的是正方形是否是长方形，这和白马是否是马是同一个问题。&nbsp;&nbsp;<a href='http://www.blogjava.net/teasp/archive/2007/09/20/146751.html'>阅读全文</a><img src ="http://www.blogjava.net/teasp/aggbug/146751.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/teasp/" target="_blank">teasp</a> 2007-09-20 12:42 <a href="http://www.blogjava.net/teasp/archive/2007/09/20/146751.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>java里的clone</title><link>http://www.blogjava.net/teasp/archive/2007/09/18/146104.html</link><dc:creator>teasp</dc:creator><author>teasp</author><pubDate>Tue, 18 Sep 2007 03:25:00 GMT</pubDate><guid>http://www.blogjava.net/teasp/archive/2007/09/18/146104.html</guid><wfw:comment>http://www.blogjava.net/teasp/comments/146104.html</wfw:comment><comments>http://www.blogjava.net/teasp/archive/2007/09/18/146104.html#Feedback</comments><slash:comments>3</slash:comments><wfw:commentRss>http://www.blogjava.net/teasp/comments/commentRss/146104.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/teasp/services/trackbacks/146104.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 今天看了一下java里的clone，在实验中留意到一个问题：如果一个类不重写clone()方法，那么根本无法调用clone()方法。这让我感到困惑，Object类里面写了protected clone()，而java里所有类都是继承Object，为什么它们没法继承Object的clone()方法呢？希望哪位好心人能解释下，感激不尽！&nbsp;&nbsp;<a href='http://www.blogjava.net/teasp/archive/2007/09/18/146104.html'>阅读全文</a><img src ="http://www.blogjava.net/teasp/aggbug/146104.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/teasp/" target="_blank">teasp</a> 2007-09-18 11:25 <a href="http://www.blogjava.net/teasp/archive/2007/09/18/146104.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Java的移位运算符</title><link>http://www.blogjava.net/teasp/archive/2007/09/12/144430.html</link><dc:creator>teasp</dc:creator><author>teasp</author><pubDate>Wed, 12 Sep 2007 03:05:00 GMT</pubDate><guid>http://www.blogjava.net/teasp/archive/2007/09/12/144430.html</guid><wfw:comment>http://www.blogjava.net/teasp/comments/144430.html</wfw:comment><comments>http://www.blogjava.net/teasp/archive/2007/09/12/144430.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/teasp/comments/commentRss/144430.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/teasp/services/trackbacks/144430.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 移位运算符面向的运算对象也是二进制的“位”。可单独用它们处理整数类型（主类型的一种）。&nbsp;&nbsp;<a href='http://www.blogjava.net/teasp/archive/2007/09/12/144430.html'>阅读全文</a><img src ="http://www.blogjava.net/teasp/aggbug/144430.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/teasp/" target="_blank">teasp</a> 2007-09-12 11:05 <a href="http://www.blogjava.net/teasp/archive/2007/09/12/144430.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>System.err与System.out的区别</title><link>http://www.blogjava.net/teasp/archive/2007/09/12/144424.html</link><dc:creator>teasp</dc:creator><author>teasp</author><pubDate>Wed, 12 Sep 2007 02:40:00 GMT</pubDate><guid>http://www.blogjava.net/teasp/archive/2007/09/12/144424.html</guid><wfw:comment>http://www.blogjava.net/teasp/comments/144424.html</wfw:comment><comments>http://www.blogjava.net/teasp/archive/2007/09/12/144424.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.blogjava.net/teasp/comments/commentRss/144424.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/teasp/services/trackbacks/144424.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 今天在做测试的时候发现为了醒目用System.err打出来的信息和普通的System.out打出来的信息的顺序出乎我的意料之外，纳闷之下google之。发现两者还是很有区别的。。。&nbsp;&nbsp;<a href='http://www.blogjava.net/teasp/archive/2007/09/12/144424.html'>阅读全文</a><img src ="http://www.blogjava.net/teasp/aggbug/144424.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/teasp/" target="_blank">teasp</a> 2007-09-12 10:40 <a href="http://www.blogjava.net/teasp/archive/2007/09/12/144424.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Java NIO原理和使用</title><link>http://www.blogjava.net/teasp/archive/2007/09/03/NIO.html</link><dc:creator>teasp</dc:creator><author>teasp</author><pubDate>Mon, 03 Sep 2007 03:07:00 GMT</pubDate><guid>http://www.blogjava.net/teasp/archive/2007/09/03/NIO.html</guid><wfw:comment>http://www.blogjava.net/teasp/comments/142233.html</wfw:comment><comments>http://www.blogjava.net/teasp/archive/2007/09/03/NIO.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/teasp/comments/commentRss/142233.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/teasp/services/trackbacks/142233.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: Java　NIO非堵塞应用通常适用用在I/O读写等方面，我们知道，系统运行的性能瓶颈通常在I/O读写，包括对端口和文件的操作上，过去，在打开一个I/O通道后，read()将一直等待在端口一边读取字节内容，如果没有内容进来，read()也是傻傻的等，这会影响我们程序继续做其他事情，那么改进做法就是开设线程，让线程去等待，但是这样做也是相当耗费资源的。&nbsp;&nbsp;<a href='http://www.blogjava.net/teasp/archive/2007/09/03/NIO.html'>阅读全文</a><img src ="http://www.blogjava.net/teasp/aggbug/142233.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/teasp/" target="_blank">teasp</a> 2007-09-03 11:07 <a href="http://www.blogjava.net/teasp/archive/2007/09/03/NIO.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>java 往文件写内容</title><link>http://www.blogjava.net/teasp/archive/2007/08/24/139050.html</link><dc:creator>teasp</dc:creator><author>teasp</author><pubDate>Fri, 24 Aug 2007 02:43:00 GMT</pubDate><guid>http://www.blogjava.net/teasp/archive/2007/08/24/139050.html</guid><wfw:comment>http://www.blogjava.net/teasp/comments/139050.html</wfw:comment><comments>http://www.blogjava.net/teasp/archive/2007/08/24/139050.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/teasp/comments/commentRss/139050.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/teasp/services/trackbacks/139050.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 这是一个简单的往文件里写内容的方法：&nbsp;&nbsp;<a href='http://www.blogjava.net/teasp/archive/2007/08/24/139050.html'>阅读全文</a><img src ="http://www.blogjava.net/teasp/aggbug/139050.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/teasp/" target="_blank">teasp</a> 2007-08-24 10:43 <a href="http://www.blogjava.net/teasp/archive/2007/08/24/139050.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>java 如何读取文件内容</title><link>http://www.blogjava.net/teasp/archive/2007/08/24/139024.html</link><dc:creator>teasp</dc:creator><author>teasp</author><pubDate>Fri, 24 Aug 2007 01:59:00 GMT</pubDate><guid>http://www.blogjava.net/teasp/archive/2007/08/24/139024.html</guid><wfw:comment>http://www.blogjava.net/teasp/comments/139024.html</wfw:comment><comments>http://www.blogjava.net/teasp/archive/2007/08/24/139024.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/teasp/comments/commentRss/139024.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/teasp/services/trackbacks/139024.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 这是一个简单的读取文件内容的方法：&nbsp;&nbsp;<a href='http://www.blogjava.net/teasp/archive/2007/08/24/139024.html'>阅读全文</a><img src ="http://www.blogjava.net/teasp/aggbug/139024.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/teasp/" target="_blank">teasp</a> 2007-08-24 09:59 <a href="http://www.blogjava.net/teasp/archive/2007/08/24/139024.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>