https://blog.youkuaiyun.com/kingquake21zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/kingquake21/article/details/6339700https://blog.youkuaiyun.com/kingquake21/article/details/6339700kingquake21Thu, 21 Apr 2011 20:03:00 +0800对于Dynamic Proxy的原理，很多地方都有介绍，里面最神秘的就是JVM会在运行时动态生成一个类，好奇心驱使，想看看这个生成的类的代码是啥样的。于是，跟踪到Proxy.newProxyInstance()中，发现生成代码的关键语句byte[] ProxyGenerator.generateProxyClass(String proxyname,Class[] instances)，写了段代码来输出那个类文件，并得到反编译的结果
----------IPerson .ja]]>https://blog.youkuaiyun.com/kingquake21/article/details/6336500https://blog.youkuaiyun.com/kingquake21/article/details/6336500kingquake21Wed, 20 Apr 2011 16:51:00 +0800局部内部类为什么只能访问final局部变量，对于成员变量却可以随便访问？
public class OuterClass { private int memberField = 10; public void outerDo(){ final int localField = 20; class InnerClass{ public void innerDo(){ memberField = localField; } ]]>https://blog.youkuaiyun.com/kingquake21/article/details/6336352https://blog.youkuaiyun.com/kingquake21/article/details/6336352kingquake21Wed, 20 Apr 2011 16:09:00 +0800/workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp0
mark一下，使用eclipse内置的WTP开发调试web应用时，这个地址就是work directory，而不是在tomcat的安装目录下，也不是采用context文件的方式，而是全盘复制到上面的目录中]]>https://blog.youkuaiyun.com/kingquake21/article/details/6323638https://blog.youkuaiyun.com/kingquake21/article/details/6323638kingquake21Thu, 14 Apr 2011 16:53:00 +0800https://blog.youkuaiyun.com/kingquake21/article/details/6276518https://blog.youkuaiyun.com/kingquake21/article/details/6276518kingquake21Fri, 25 Mar 2011 09:40:00 +08001.       委托原则：当加载一个类时，首先会委托父加载器来加载

2.       可视化原则：子类加载器能看到父类加载器加载的所有类，但是反过来是不行的。同时，兄弟类加载器也看不到对方加载的类

3.       唯一性原则：如果一个类加载器加载了某个类，那么它的子类加载器是不会再加载该类了的。

Delegation Principle: If a class is not loaded already, the cla]]>https://blog.youkuaiyun.com/kingquake21/article/details/6258949https://blog.youkuaiyun.com/kingquake21/article/details/6258949kingquake21Fri, 18 Mar 2011 14:13:00 +0800https://blog.youkuaiyun.com/kingquake21/article/details/6226423https://blog.youkuaiyun.com/kingquake21/article/details/6226423kingquake21Sun, 06 Mar 2011 01:03:00 +0800https://blog.youkuaiyun.com/kingquake21/article/details/6161315https://blog.youkuaiyun.com/kingquake21/article/details/6161315kingquake21Mon, 24 Jan 2011 15:29:00 +0800https://blog.youkuaiyun.com/kingquake21/article/details/6161164https://blog.youkuaiyun.com/kingquake21/article/details/6161164kingquake21Mon, 24 Jan 2011 14:22:00 +0800https://blog.youkuaiyun.com/kingquake21/article/details/6160952https://blog.youkuaiyun.com/kingquake21/article/details/6160952kingquake21Mon, 24 Jan 2011 11:56:00 +0800https://blog.youkuaiyun.com/kingquake21/article/details/6130307https://blog.youkuaiyun.com/kingquake21/article/details/6130307kingquake21Wed, 12 Jan 2011 09:15:00 +0800https://blog.youkuaiyun.com/kingquake21/article/details/6110065https://blog.youkuaiyun.com/kingquake21/article/details/6110065kingquake21Fri, 31 Dec 2010 16:34:00 +0800https://blog.youkuaiyun.com/kingquake21/article/details/6107502https://blog.youkuaiyun.com/kingquake21/article/details/6107502kingquake21Thu, 30 Dec 2010 16:29:00 +0800https://blog.youkuaiyun.com/kingquake21/article/details/6095977https://blog.youkuaiyun.com/kingquake21/article/details/6095977kingquake21Fri, 24 Dec 2010 11:27:00 +0800https://blog.youkuaiyun.com/kingquake21/article/details/6091173https://blog.youkuaiyun.com/kingquake21/article/details/6091173kingquake21Wed, 22 Dec 2010 10:51:00 +0800https://blog.youkuaiyun.com/kingquake21/article/details/6090218https://blog.youkuaiyun.com/kingquake21/article/details/6090218kingquake21Tue, 21 Dec 2010 19:03:00 +0800 
在jdb的help会输出下面这些帮助信息，但是“转储线程的堆栈”却没有命令，这是因为英文的转储命令是where，被翻译成了“其中”
threads [线程组]            - 列出线程
thread <线程 ID>            - 设置默认线程
suspend [线程 ID]           - 暂停线程（默认为所有线程）
resume [线程 ID]            - 恢复线程（默认为所有线程）
其]]>https://blog.youkuaiyun.com/kingquake21/article/details/6088401https://blog.youkuaiyun.com/kingquake21/article/details/6088401kingquake21Tue, 21 Dec 2010 09:36:00 +0800https://blog.youkuaiyun.com/kingquake21/article/details/6057763https://blog.youkuaiyun.com/kingquake21/article/details/6057763kingquake21Mon, 06 Dec 2010 12:10:00 +0800有一个文件tomcat/conf/server.xml，里面默认的内容为
https://blog.youkuaiyun.com/kingquake21/article/details/6010283https://blog.youkuaiyun.com/kingquake21/article/details/6010283kingquake21Mon, 15 Nov 2010 15:29:00 +0800 $.extend({ /* * 验证是否为正确的车牌号 * @return {Boolean} true：验证通过；false：验证识别 * @param {String} plateNum 车牌号 */ isValidatePlateNum: function(plateNum){ //第一位为代表市地区的字母，后面五位可以为字母或数字，字母必须全部大写 var pattern = /^[A-Z]{1}[A-Z0-]]>