发布时间：2015-08-30 15:57:48
问题描述：<br />[2015-08-30 15:20:33 - TimeTracker] The connection to adb is down, and a severe error has occured.<br />[2015-08-30 15:20:33 - TimeTracker] You must restart adb and Eclipse.<br />[2015-08-30 15:20:33 - TimeTracker] Please ensure that adb is correctly located at 'G:\android\adt-bun.........【阅读全文】
发布时间：2015-08-20 10:59:25
好久以前装过的java，今天由于需要在一台新电脑上安装，安装完成后编写helloworld进行测试，javac命令没问题，java时一直提示无法找到或不存在helloworld类。估摸着应该是环境变量没配置好的原因，以前也遇到过，又忘记了 还是赶紧记下来<br />三个环境变量：<br /> JAVA_HOME .........【阅读全文】
发布时间：2015-08-01 20:12:05
List<e>：interface 继承自Collection<e><br />API中是这么介绍的： An ordered collection (also known as a <i>sequence</i>). The user of this interface has precise control over where in the list each element is inserted. The user can access elements by their integer ind.........【阅读全文】
