安装java的时候出现Could not find the main class.program will exit
2012-11-21 00:24
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如果 code 和环境变量配置没有错误。最可能的原因是 jdk与jre的版本不对。例如用jdk1.7编写的code，如果用jvm1.6去运行，将会出现RT情况。
在本机的电脑中本身已经安装了jre1.6. 而在oracle网站上下载的jdk1.7安装的时候 也会安装jre1.7，由于低版本的jre存在，导致了
jre1.7无效。因此删除jre1.6即可。
jdk安装和环境变量配置 refer to http://hi.baidu.com/tangjackaa/item/b1f0d91fa8a0e4446826bbfb
jdk以及jre版本问题 refer to http://blog.csdn.net/wangcheng8080/article/details/2492265
在本机的电脑中本身已经安装了jre1.6. 而在oracle网站上下载的jdk1.7安装的时候 也会安装jre1.7，由于低版本的jre存在，导致了
jre1.7无效。因此删除jre1.6即可。
jdk安装和环境变量配置 refer to http://hi.baidu.com/tangjackaa/item/b1f0d91fa8a0e4446826bbfb
jdk以及jre版本问题 refer to http://blog.csdn.net/wangcheng8080/article/details/2492265
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