Hi,<BR><BR>there is a bug in my application which uses many classes. I have a variable that is properly set, initially. Then, when I want to use it, it is somehow null. <BR>I am using eclipse. Java.

I had a hard time finding my first tutorial this morning, since I walked over to the convention center first only to find it wasn't there. The convention center is connected to the Hyatt so you don't ...

当启动Eclipse时，若出现提示需要Java运行环境或开发工具包，但在指定路径中未找到Java虚拟机，可按以下方法排查。通常问题出在两个方面：一是未正确配置JDK环境变量，二是系统找不到javaw.exe文件。首先检查是否已安装JDK，若未安装，需先下载并安装合适版本。