java - Running an .exe based off of a class' location -

i understand line of code runs .exe's based of specific set location

runtime.getruntime().exec("c:/users/username/desktop/javaapp.exe").waitfor(); 

but need run application based off of location of class ran in

i'm gonna go ahead , make answer question.

i believe this you're looking for.

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for comment asking removal of 'file' part string

assuming have string called path contains: "file:/c:/users/jon/test/foo/test.class"

you can call path.substring(5), return string containing text "/c:/users/jon/test/foo/test.class". int represents index want start @ new string, can change need.