How to get the application path?

Does some body know how to get the application path in Java? Here is an example about what I'm thinking: Let's imagin the application is on "c:\try" or "c:\ProgramFiles\MyApp". My question is how can I find the path where the application is. Please give an example if you know the answer. Thank you so much.

Those two replies give you some useful directories, it's true, but maybe not what the OP asked. However the OP asked for something that doesn't have a meaning (applications don't have to be "on" any directory, whatever that might mean).
Would the OP like to describe what the actual problem is here?

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[/code}

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