Is there a way to know if a Java program was started from the command line or from a jar file?

Question

I want to either display a message in the console or a pop up, so in case a parameter is not specified, I want to know to which should I display

Something like:

Answer 1

You can get all the input arguments with RuntimeMBean.getInputArguments(), this can be used to detect when debugging is enabled.

EDIT: However, the -jar argument isn't one of them. :(