Getting the default root directory in Java

Question

I\'m making a basic file browser, and want to know how to get the default root directory. I know that java.io.File.listRoots() gives all the roots (for me it\'s

Answer 1

Not sure if this is of any help, but you could try:

import javax.swing.filechooser.*;

FileSystemView.getFileSystemView().getRoots()[0];

or

FileSystemView.getFileSystemView().getHomeDirectory();

or

System.getProperty("user.dir");

For the last snippet, you could get the root directory by navigating upward using getParent() until null is returned.

Answer 2

Getting the operating system root partition is only a thing on Windows since on Unix it's always /.

Hence, the following code works for Windows only:

System.getenv("SystemDrive");

It gets the SystemDrive environment variable value. This should always return the operating system's root partition e.g. C:.