How to get the location of the program you're running and store it in a File object

Asked Apr 16 '17 at 01:56

Active Apr 16 '17 at 01:56

Viewed 19 times

I'm trying to find a way to reference my java program in order to check whether or not it's up-to-date, and I was wondering whether or not there is a special way of referring to it? For example, the person runs the program (I don't know where it is) and I want to compare it to a file I have on my web server to make sure it's up-to-date, but to do this I must have it stored in a File object in order to compare it to the one on my web server, how do I go about doing that? Is there a special way to find the location of the program that's being run?

Something like this:

File thisProgram = new File(?);

Not sure what to put inside the parenthesis in order to reference the program itself.

asked Apr 16 '17 at 01:56

John Leo

What if you're running from a network-downloaded jar that doesn't reside on the filesystem at all, or an unexploded .war? This question has no portable answer. – Jim Garrison Apr 16 '17 at 01:58
Let's assume they arent. – John Leo Apr 16 '17 at 01:59
2

http://stackoverflow.com/questions/320542/how-to-get-the-path-of-a-running-jar-file – jrook Apr 16 '17 at 02:00

How to get the location of the program you're running and store it in a File object

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