http://www.knowsky.com/article.asp?typeid=155 J2EE/J2ME rss zh-cn Copyright 2000-2009 www.knowsky.com http://feedproxy.google.com/~r/J2ee/j2me/~3/czs2EXzupu8/350348.htmlwww.knowsky.comJ2EE/J2ME2007-12-23　　自中国移动启动上网资费页面提醒后，导致了很多的J2ME联网出现了联不上服务器的问题。即在j2me程序中启动联网后，在有些地区，有些时候，移动网关会把我们的请求截下，返还一个资费提.....<a href='http://www.knowsky.com/350348.html'>点击浏览详细内容</a><br/><br/>-------------------------------------<br/>导航:<a href='http://www.knowsky.com/developer.asp' target='_blank'>编程</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/zhanzhang.asp' target='_blank'>站长</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/web.asp' target='_blank'>网页</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/photo.asp' target='_blank'>图形</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/system.asp' target='_blank'>系统</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/internet.asp' target='_blank'>冲浪</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/qq.asp' target='_blank'>QQ</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/soft.asp' target='_blank'>软件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/office.asp' target='_blank'>办公</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/shoujixueyuan.asp' target='_blank'>手机</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/mailserver.asp' target='_blank'>邮件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/networksecurity.asp' target='_blank'>安全</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/exam.asp' target='_blank'>认证</a> <p><a href="http://feedads.g.doubleclick.net/~a/pYc8AyyknQxFomwPXwMLH5vvI1s/0/da"><img src="http://feedads.g.doubleclick.net/~a/pYc8AyyknQxFomwPXwMLH5vvI1s/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/pYc8AyyknQxFomwPXwMLH5vvI1s/1/da"><img src="http://feedads.g.doubleclick.net/~a/pYc8AyyknQxFomwPXwMLH5vvI1s/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/J2ee/j2me/~4/czs2EXzupu8" height="1" width="1"/>http://www.knowsky.com/350348.htmlhttp://feedproxy.google.com/~r/J2ee/j2me/~3/9isZVrpCMXA/350347.htmlwww.knowsky.comJ2EE/J2ME2007-12-23　　J2ME中访问电话本数据是比较困难的事情，特别是中低端机型。通常，各终端厂商都有自己的API用于访问电话本，例如，moto的phonebook。在jsr75中，sun推出了P.....<a href='http://www.knowsky.com/350347.html'>点击浏览详细内容</a><br/><br/>-------------------------------------<br/>导航:<a href='http://www.knowsky.com/developer.asp' target='_blank'>编程</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/zhanzhang.asp' target='_blank'>站长</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/web.asp' target='_blank'>网页</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/photo.asp' target='_blank'>图形</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/system.asp' target='_blank'>系统</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/internet.asp' target='_blank'>冲浪</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/qq.asp' target='_blank'>QQ</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/soft.asp' target='_blank'>软件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/office.asp' target='_blank'>办公</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/shoujixueyuan.asp' target='_blank'>手机</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/mailserver.asp' target='_blank'>邮件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/networksecurity.asp' target='_blank'>安全</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/exam.asp' target='_blank'>认证</a> <p><a href="http://feedads.g.doubleclick.net/~a/rlSBHuE99xzAFueiFjFjDEys39w/0/da"><img src="http://feedads.g.doubleclick.net/~a/rlSBHuE99xzAFueiFjFjDEys39w/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/rlSBHuE99xzAFueiFjFjDEys39w/1/da"><img src="http://feedads.g.doubleclick.net/~a/rlSBHuE99xzAFueiFjFjDEys39w/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/J2ee/j2me/~4/9isZVrpCMXA" height="1" width="1"/>http://www.knowsky.com/350347.htmlhttp://feedproxy.google.com/~r/J2ee/j2me/~3/bNfN8rZYDtA/350346.htmlwww.knowsky.comJ2EE/J2ME2007-12-23MIDP 2.0提供了一系列的新特性，其中一个就是调用平台的应用。例如可以调用WAP浏览器访问特定的网址，也可以调用电话应用程序呼叫某个号码。上述两个功能都可以使用MIDlet类的p.....<a href='http://www.knowsky.com/350346.html'>点击浏览详细内容</a><br/><br/>-------------------------------------<br/>导航:<a href='http://www.knowsky.com/developer.asp' target='_blank'>编程</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/zhanzhang.asp' target='_blank'>站长</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/web.asp' target='_blank'>网页</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/photo.asp' target='_blank'>图形</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/system.asp' target='_blank'>系统</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/internet.asp' target='_blank'>冲浪</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/qq.asp' target='_blank'>QQ</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/soft.asp' target='_blank'>软件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/office.asp' target='_blank'>办公</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/shoujixueyuan.asp' target='_blank'>手机</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/mailserver.asp' target='_blank'>邮件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/networksecurity.asp' target='_blank'>安全</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/exam.asp' target='_blank'>认证</a> <p><a href="http://feedads.g.doubleclick.net/~a/dQ_JGQs3yH8sAEZhbQYlfGc7rEI/0/da"><img src="http://feedads.g.doubleclick.net/~a/dQ_JGQs3yH8sAEZhbQYlfGc7rEI/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/dQ_JGQs3yH8sAEZhbQYlfGc7rEI/1/da"><img src="http://feedads.g.doubleclick.net/~a/dQ_JGQs3yH8sAEZhbQYlfGc7rEI/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/J2ee/j2me/~4/bNfN8rZYDtA" height="1" width="1"/>http://www.knowsky.com/350346.htmlhttp://feedproxy.google.com/~r/J2ee/j2me/~3/O6m6pZNvExw/350345.htmlwww.knowsky.comJ2EE/J2ME2007-12-23手机游戏移植主要的工作是把原来的一款别的型号手机上的游戏。经过修改能在当前型号的手机上运行和使用的过程。所以可以把这个工作细分为几方面的事情： 1、处理屏幕尺寸 这也是最.....<a href='http://www.knowsky.com/350345.html'>点击浏览详细内容</a><br/><br/>-------------------------------------<br/>导航:<a href='http://www.knowsky.com/developer.asp' target='_blank'>编程</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/zhanzhang.asp' target='_blank'>站长</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/web.asp' target='_blank'>网页</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/photo.asp' target='_blank'>图形</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/system.asp' target='_blank'>系统</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/internet.asp' target='_blank'>冲浪</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/qq.asp' target='_blank'>QQ</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/soft.asp' target='_blank'>软件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/office.asp' target='_blank'>办公</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/shoujixueyuan.asp' target='_blank'>手机</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/mailserver.asp' target='_blank'>邮件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/networksecurity.asp' target='_blank'>安全</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/exam.asp' target='_blank'>认证</a> <p><a href="http://feedads.g.doubleclick.net/~a/Ebektzu-Pv8tmIxlPVsfcfksodw/0/da"><img src="http://feedads.g.doubleclick.net/~a/Ebektzu-Pv8tmIxlPVsfcfksodw/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/Ebektzu-Pv8tmIxlPVsfcfksodw/1/da"><img src="http://feedads.g.doubleclick.net/~a/Ebektzu-Pv8tmIxlPVsfcfksodw/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/J2ee/j2me/~4/O6m6pZNvExw" height="1" width="1"/>http://www.knowsky.com/350345.htmlhttp://feedproxy.google.com/~r/J2ee/j2me/~3/XCeBCAT-x5k/350344.htmlwww.knowsky.comJ2EE/J2ME2007-12-23在J2ME编程中，经常需要使用Nokia系列的模拟器，但是Nokia Developer’s Suit for J2ME中提供的三个模拟器都无法正确的显示中文，在程序开发过程中，.....<a href='http://www.knowsky.com/350344.html'>点击浏览详细内容</a><br/><br/>-------------------------------------<br/>导航:<a href='http://www.knowsky.com/developer.asp' target='_blank'>编程</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/zhanzhang.asp' target='_blank'>站长</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/web.asp' target='_blank'>网页</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/photo.asp' target='_blank'>图形</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/system.asp' target='_blank'>系统</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/internet.asp' target='_blank'>冲浪</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/qq.asp' target='_blank'>QQ</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/soft.asp' target='_blank'>软件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/office.asp' target='_blank'>办公</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/shoujixueyuan.asp' target='_blank'>手机</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/mailserver.asp' target='_blank'>邮件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/networksecurity.asp' target='_blank'>安全</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/exam.asp' target='_blank'>认证</a> <p><a href="http://feedads.g.doubleclick.net/~a/wVMXFFdo7UfKC8Prj_8oTWP-77Y/0/da"><img src="http://feedads.g.doubleclick.net/~a/wVMXFFdo7UfKC8Prj_8oTWP-77Y/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/wVMXFFdo7UfKC8Prj_8oTWP-77Y/1/da"><img src="http://feedads.g.doubleclick.net/~a/wVMXFFdo7UfKC8Prj_8oTWP-77Y/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/J2ee/j2me/~4/XCeBCAT-x5k" height="1" width="1"/>http://www.knowsky.com/350344.htmlhttp://feedproxy.google.com/~r/J2ee/j2me/~3/kDvKb1Q2pUc/350343.htmlwww.knowsky.comJ2EE/J2ME2007-12-23在MIDlet程序学习中，生命周期是一个比较抽象的概念。其实生命周期就是一个简单的规定，规定了MIDlet中的每个方法，什么时候被系统调用。下面是一个示例代码，在每个方法的内部都.....<a href='http://www.knowsky.com/350343.html'>点击浏览详细内容</a><br/><br/>-------------------------------------<br/>导航:<a href='http://www.knowsky.com/developer.asp' target='_blank'>编程</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/zhanzhang.asp' target='_blank'>站长</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/web.asp' target='_blank'>网页</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/photo.asp' target='_blank'>图形</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/system.asp' target='_blank'>系统</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/internet.asp' target='_blank'>冲浪</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/qq.asp' target='_blank'>QQ</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/soft.asp' target='_blank'>软件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/office.asp' target='_blank'>办公</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/shoujixueyuan.asp' target='_blank'>手机</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/mailserver.asp' target='_blank'>邮件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/networksecurity.asp' target='_blank'>安全</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/exam.asp' target='_blank'>认证</a> <p><a href="http://feedads.g.doubleclick.net/~a/gdx6pirK0zZ9RQGI3lQ25j5wGp0/0/da"><img src="http://feedads.g.doubleclick.net/~a/gdx6pirK0zZ9RQGI3lQ25j5wGp0/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/gdx6pirK0zZ9RQGI3lQ25j5wGp0/1/da"><img src="http://feedads.g.doubleclick.net/~a/gdx6pirK0zZ9RQGI3lQ25j5wGp0/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/J2ee/j2me/~4/kDvKb1Q2pUc" height="1" width="1"/>http://www.knowsky.com/350343.htmlhttp://feedproxy.google.com/~r/J2ee/j2me/~3/DfzsQXx1KCU/350342.htmlwww.knowsky.comJ2EE/J2ME2007-12-23　　1. J2EE 的体系结构 &nbsp;&nbsp;&nbsp; J2EE 的体系结构可以分为 4 层，如图 1 所示。 图1 J2ee的体系结构 &nbsp;&nb.....<a href='http://www.knowsky.com/350342.html'>点击浏览详细内容</a><br/><br/>-------------------------------------<br/>导航:<a href='http://www.knowsky.com/developer.asp' target='_blank'>编程</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/zhanzhang.asp' target='_blank'>站长</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/web.asp' target='_blank'>网页</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/photo.asp' target='_blank'>图形</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/system.asp' target='_blank'>系统</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/internet.asp' target='_blank'>冲浪</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/qq.asp' target='_blank'>QQ</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/soft.asp' target='_blank'>软件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/office.asp' target='_blank'>办公</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/shoujixueyuan.asp' target='_blank'>手机</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/mailserver.asp' target='_blank'>邮件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/networksecurity.asp' target='_blank'>安全</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/exam.asp' target='_blank'>认证</a> <p><a href="http://feedads.g.doubleclick.net/~a/_QsEfh8-f-hS1BQnyBv9MMnoPAY/0/da"><img src="http://feedads.g.doubleclick.net/~a/_QsEfh8-f-hS1BQnyBv9MMnoPAY/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/_QsEfh8-f-hS1BQnyBv9MMnoPAY/1/da"><img src="http://feedads.g.doubleclick.net/~a/_QsEfh8-f-hS1BQnyBv9MMnoPAY/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/J2ee/j2me/~4/DfzsQXx1KCU" height="1" width="1"/>http://www.knowsky.com/350342.htmlhttp://feedproxy.google.com/~r/J2ee/j2me/~3/Hp7J_tKSA7E/350341.htmlwww.knowsky.comJ2EE/J2ME2007-12-231、XML(Extensible Markup Language)可扩展标记语言??XML独立于硬件和软件，XML文件和Html文件一样，实际上是一个文本文件。创建XML文件最普.....<a href='http://www.knowsky.com/350341.html'>点击浏览详细内容</a><br/><br/>-------------------------------------<br/>导航:<a href='http://www.knowsky.com/developer.asp' target='_blank'>编程</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/zhanzhang.asp' target='_blank'>站长</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/web.asp' target='_blank'>网页</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/photo.asp' target='_blank'>图形</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/system.asp' target='_blank'>系统</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/internet.asp' target='_blank'>冲浪</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/qq.asp' target='_blank'>QQ</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/soft.asp' target='_blank'>软件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/office.asp' target='_blank'>办公</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/shoujixueyuan.asp' target='_blank'>手机</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/mailserver.asp' target='_blank'>邮件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/networksecurity.asp' target='_blank'>安全</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/exam.asp' target='_blank'>认证</a> <p><a href="http://feedads.g.doubleclick.net/~a/WgVkaEKKKcRhd9UMu_tzw1y3--U/0/da"><img src="http://feedads.g.doubleclick.net/~a/WgVkaEKKKcRhd9UMu_tzw1y3--U/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/WgVkaEKKKcRhd9UMu_tzw1y3--U/1/da"><img src="http://feedads.g.doubleclick.net/~a/WgVkaEKKKcRhd9UMu_tzw1y3--U/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/J2ee/j2me/~4/Hp7J_tKSA7E" height="1" width="1"/>http://www.knowsky.com/350341.htmlhttp://feedproxy.google.com/~r/J2ee/j2me/~3/joJ0OXeqY6U/350340.htmlwww.knowsky.comJ2EE/J2ME2007-12-23构建高性能的J2EE应用不但需要了解常用的实施技巧。下面介绍最常用的10种有效方法，可帮助架构设计师们快速成为这方面的专家。 Java性能的基础—内存管理 任何Java应.....<a href='http://www.knowsky.com/350340.html'>点击浏览详细内容</a><br/><br/>-------------------------------------<br/>导航:<a 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target='_blank'>认证</a> <p><a href="http://feedads.g.doubleclick.net/~a/ygtGbxCcERHpiTbA_kNEJfPwUrw/0/da"><img src="http://feedads.g.doubleclick.net/~a/ygtGbxCcERHpiTbA_kNEJfPwUrw/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/ygtGbxCcERHpiTbA_kNEJfPwUrw/1/da"><img src="http://feedads.g.doubleclick.net/~a/ygtGbxCcERHpiTbA_kNEJfPwUrw/1/di" border="0" ismap="true"></img></a></p><img src="http://feeds.feedburner.com/~r/J2ee/j2me/~4/joJ0OXeqY6U" height="1" width="1"/>http://www.knowsky.com/350340.htmlhttp://feedproxy.google.com/~r/J2ee/j2me/~3/Rp99JBrnjqA/350339.htmlwww.knowsky.comJ2EE/J2ME2007-12-23我们经常会遇到这样的问题，在模拟器上跑得很好的程序在实际的手机上却很慢，甚至运行不了，这大多数是因为重画机制的使用不当所致，J2ME中的paint()函数起到了画屏幕的作用，往往.....<a href='http://www.knowsky.com/350339.html'>点击浏览详细内容</a><br/><br/>-------------------------------------<br/>导航:<a href='http://www.knowsky.com/developer.asp' target='_blank'>编程</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/zhanzhang.asp' 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