分别输入java -version,javac -version,检查jdk版本信息.
the java web development environment software is 32-bit or 64
![source /etc/profile5,最后测试[root@lyh:] # java -version可以](http://i.handsetwalls.com/uploads/i_2_1563621328x2359814069_253.jpg)
source /etc/profile5,最后测试[root@lyh:] # java -version可以
![error in value[[3l]](cond) : you have a 32-bit version of java.](http://i.handsetwalls.com/uploads/i_2_62453812x2152029293_253.jpg)
error in value[[3l]](cond) : you have a 32-bit version of java.
查看正在运行的java应用程序的扩展参数查看jvm的参数查看java系统
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