jinfo可以用来查看正在运行的java应用程序的扩展参数,设置支持在运行时,修改部分参数。

Jinfo的语法为:

Usage:jinfo [option] 
(to connect to running process)jinfo [option]
(to connect to a core file)jinfo [option] [server_id@]
(to connect to remote debug server)where
-sysprops打印JVM的系统参数