<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[czz_java的博客]]></title><description><![CDATA[ 家健]]></description><link>https://blog.youkuaiyun.com/czz_java</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; czz_java]]></copyright><item><title><![CDATA[ssh-mvn 配置]]></title><link>https://blog.youkuaiyun.com/czz_java/article/details/78774755</link><guid>https://blog.youkuaiyun.com/czz_java/article/details/78774755</guid><author>czz_java</author><pubDate>Mon, 11 Dec 2017 17:23:09 +0800</pubDate><description><![CDATA[org.springframework
            spring-context
            4.3.10.RELEASE
        
        
        
            org.hibernate
            hibernate-core
            5.2.10.Final
        
  ]]></description><category></category></item><item><title><![CDATA[struts2-hibernate 总结]]></title><link>https://blog.youkuaiyun.com/czz_java/article/details/78753560</link><guid>https://blog.youkuaiyun.com/czz_java/article/details/78753560</guid><author>czz_java</author><pubDate>Fri, 08 Dec 2017 17:05:34 +0800</pubDate><description><![CDATA[一、选择题
1、以下哪个不是spring依赖注入的基本方式：                                  
A 属性注入
B 构造器注入
C getter方法注入 ***
D 静态工厂注入


2、以下可以生成bean实例的是：                                            
A 
B 
C 
D @Servic]]></description><category></category></item><item><title><![CDATA[POJO和javabean的异同]]></title><link>https://blog.youkuaiyun.com/czz_java/article/details/78749228</link><guid>https://blog.youkuaiyun.com/czz_java/article/details/78749228</guid><author>czz_java</author><pubDate>Fri, 08 Dec 2017 10:52:40 +0800</pubDate><description><![CDATA[什么是POJO

 按照Martin Fowler的解释是“Plain Old Java Object”，从字面上翻译为“纯洁老式的java对象”，但大家都使用“简单java对象”来称呼它。POJO的内在含义是指那些没有从任何类继承、也没有实现任何接口，更没有被其它框架侵入的java对象。




pojo和javabean的比较


pojo的格式是用于数据的临时传递，它只能]]></description><category></category></item><item><title><![CDATA[ssh maven 依赖]]></title><link>https://blog.youkuaiyun.com/czz_java/article/details/78748112</link><guid>https://blog.youkuaiyun.com/czz_java/article/details/78748112</guid><author>czz_java</author><pubDate>Fri, 08 Dec 2017 09:25:03 +0800</pubDate><description><![CDATA[xml version="1.0" encoding="UTF-8"?>
project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.o]]></description><category></category></item><item><title><![CDATA[hibernate配置文件hibernate.cfg.xml和.hbm.xml的详细解释]]></title><link>https://blog.youkuaiyun.com/czz_java/article/details/78723955</link><guid>https://blog.youkuaiyun.com/czz_java/article/details/78723955</guid><author>czz_java</author><pubDate>Tue, 05 Dec 2017 19:40:04 +0800</pubDate><description><![CDATA[hibernate.cfg.xml





-标准的XML文件的起始行，version='1.0'表明XML的版本，encoding='gb2312'表明XML文件的编码方式-->     
                xml version='1.0' encoding='gb2312'?>     
     

          "-//Hibernate/Hib]]></description><category></category></item><item><title><![CDATA[Hashtable/HashMap与key/value为null的关系]]></title><link>https://blog.youkuaiyun.com/czz_java/article/details/78665713</link><guid>https://blog.youkuaiyun.com/czz_java/article/details/78665713</guid><author>czz_java</author><pubDate>Wed, 29 Nov 2017 15:18:22 +0800</pubDate><description><![CDATA[1、 HashMap计算key的hash值时调用单独的方法，在该方法中会判断key是否为null，如果是则返回0；而Hashtable中则直接调用key的hashCode()方法，因此如果key为null，则抛出空指针异常。

　　2、 HashMap将键值对添加进数组时，不会主动判断value是否为null；而Hashtable则首先判断value是否为null。

　　3、以上原因主要]]></description><category></category></item><item><title><![CDATA[dbutil 的使用方法]]></title><link>https://blog.youkuaiyun.com/czz_java/article/details/78592232</link><guid>https://blog.youkuaiyun.com/czz_java/article/details/78592232</guid><author>czz_java</author><pubDate>Tue, 21 Nov 2017 14:31:44 +0800</pubDate><description><![CDATA[public static void main(String[] args) {
TestHandler t = new TestHandler();
try {
t.test9();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public void]]></description><category></category></item><item><title><![CDATA[浏览器最近浏览记录]]></title><link>https://blog.youkuaiyun.com/czz_java/article/details/78590762</link><guid>https://blog.youkuaiyun.com/czz_java/article/details/78590762</guid><author>czz_java</author><pubDate>Tue, 21 Nov 2017 11:39:37 +0800</pubDate><description><![CDATA[@WebServlet("/demo1")
public class Demo1 extends HttpServlet{
@Override
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

//得到所有的商品]]></description><category></category></item><item><title><![CDATA[dbcp 连接池]]></title><link>https://blog.youkuaiyun.com/czz_java/article/details/78590659</link><guid>https://blog.youkuaiyun.com/czz_java/article/details/78590659</guid><author>czz_java</author><pubDate>Tue, 21 Nov 2017 11:30:57 +0800</pubDate><description><![CDATA[dbcp-config.properties
#连接设置
driverClassName=oracle.jdbc.driver.OracleDriver
url=jdbc:oracle:thin:@127.0.0.1:1521:XE
username=sunny
password=1234


#
initialSize=10


#最大连接数量
maxActive=50]]></description><category></category></item><item><title><![CDATA[c3p0配置]]></title><link>https://blog.youkuaiyun.com/czz_java/article/details/78590623</link><guid>https://blog.youkuaiyun.com/czz_java/article/details/78590623</guid><author>czz_java</author><pubDate>Tue, 21 Nov 2017 11:25:49 +0800</pubDate><description><![CDATA[sunny

1234

oracle.jdbc.driver.OracleDriver
   
   jdbc:oracle:thin:@localhost:1521:XE

2

10

15

3





60

3 -->
3

false

30

1000

30





public class C3P0U]]></description><category></category></item><item><title><![CDATA[Ajax 请求的处理]]></title><link>https://blog.youkuaiyun.com/czz_java/article/details/78582523</link><guid>https://blog.youkuaiyun.com/czz_java/article/details/78582523</guid><author>czz_java</author><pubDate>Mon, 20 Nov 2017 15:13:30 +0800</pubDate><description><![CDATA[function ajaxTest() {


/* 1.创建XHR */
var xmlhttp;
if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp = new XMLHttpRequest();
} else {// code for IE6, IE5
xml]]></description><category></category></item><item><title><![CDATA[java 原生分页]]></title><link>https://blog.youkuaiyun.com/czz_java/article/details/78580137</link><guid>https://blog.youkuaiyun.com/czz_java/article/details/78580137</guid><author>czz_java</author><pubDate>Mon, 20 Nov 2017 10:56:09 +0800</pubDate><description><![CDATA[public class PageServlet extends HttpServlet{
@Override
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
String dang1 = req.getParamet]]></description><category></category></item><item><title><![CDATA[java如何获取jsp页面上传的文件路径 20 前台jsp： <form action="AA.do?method=yktAdd" method="post" > <input type='text']]></title><link>https://blog.youkuaiyun.com/czz_java/article/details/78566988</link><guid>https://blog.youkuaiyun.com/czz_java/article/details/78566988</guid><author>czz_java</author><pubDate>Sat, 18 Nov 2017 10:09:45 +0800</pubDate><description><![CDATA[java如何获取jsp页面上传的文件路径 20
前台jsp：   <input type='button' class='btn' value='浏览...'
 /> 展开


松籽黄 | 浏览
 20656 次  问题未开放回答 |举报


推荐于2016-08-04 02:01:51


最佳答案



java文件中获得路径Thread.currentThre]]></description><category></category></item><item><title><![CDATA[java日志文件log4j.properties配置详解]]></title><link>https://blog.youkuaiyun.com/czz_java/article/details/78566840</link><guid>https://blog.youkuaiyun.com/czz_java/article/details/78566840</guid><author>czz_java</author><pubDate>Sat, 18 Nov 2017 09:45:46 +0800</pubDate><description><![CDATA[java日志文件log4j.properties配置详解




一、Log4j配置
第一步：加入log4j-1.2.8.jar到lib下。
第二步：在CLASSPATH下建立log4j.properties。内容如下：
放在src下的话就不用配置 否则得去web.xml里面配置一个Listener
参考：


log4j.rootCategory=INFO, stdout ]]></description><category></category></item><item><title><![CDATA[需求分析与系统设计]]></title><link>https://blog.youkuaiyun.com/czz_java/article/details/78562276</link><guid>https://blog.youkuaiyun.com/czz_java/article/details/78562276</guid><author>czz_java</author><pubDate>Fri, 17 Nov 2017 16:37:49 +0800</pubDate><description><![CDATA[一.需求分析
当用户进入 客户管理  通过列表方式 来 查看所有的客户  List
用户 输入客户名称  关键字 进行模糊查询   ***
单击用户列表 客户名称 查看用户的基本信息
新增  进入新增用户界面  新增用户的基本信息
编辑 编辑界面  更新客户的基本信息
删除 删除对应的用户的个人信息
       用户信息：
name  connect telephone emai]]></description><category></category></item><item><title><![CDATA[统计在线用户数,用户登陆过期的设置]]></title><link>https://blog.youkuaiyun.com/czz_java/article/details/78560139</link><guid>https://blog.youkuaiyun.com/czz_java/article/details/78560139</guid><author>czz_java</author><pubDate>Fri, 17 Nov 2017 13:25:38 +0800</pubDate><description><![CDATA[public class AppListener implements ServletContextListener{
@Override
public void contextInitialized(ServletContextEvent sce) {
/*List list = new ArrayList();
ServletContext app = sce.getServletCo]]></description><category></category></item><item><title><![CDATA[Java ConcurrentModificationException异常原因和解决方法 目录 一.ConcurrentM]]></title><link>https://blog.youkuaiyun.com/czz_java/article/details/78559526</link><guid>https://blog.youkuaiyun.com/czz_java/article/details/78559526</guid><author>czz_java</author><pubDate>Fri, 17 Nov 2017 11:45:42 +0800</pubDate><description><![CDATA[博客园首页新随笔联系管理订阅

随笔- 216  文章- 1  评论- 8 










Java ConcurrentModificationException异常原因和解决方法





目录
一.ConcurrentModificationException异常出现的原因
二.在单线程环境下的解决办法
三.在多线程环境下的解决方法

]]></description><category></category></item><item><title><![CDATA[通过session统计当前在线人数]]></title><link>https://blog.youkuaiyun.com/czz_java/article/details/78558953</link><guid>https://blog.youkuaiyun.com/czz_java/article/details/78558953</guid><author>czz_java</author><pubDate>Fri, 17 Nov 2017 11:07:07 +0800</pubDate><description><![CDATA[随笔- 60  文章- 0  评论- 5 










通过session统计当前在线人数











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<!--
 监听器配置 -->

    

        class>com.oracle.com.MyListenerclass>

    



]]></description><category></category></item></channel></rss>