Get parent path

How do i get the parent path of my java applicaiton?
I see something called getRealPath() but that's for servlets.

Your Java application doesn't have a "parent path". There's no such thing. The concept is especially nonsensical if the application is in an executable jar file.
When you execute a program (including a Java application), that process has a current working directory. The current working directory may be the one where your Java class is stored, or it may not. If you can't work with paths that are relative to the current working directory, because you haven't controlled it properly, then you'll have to work with full paths.

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