Get root directories with FileSystem in Java

import java.nio.file.FileStore;
import java.nio.file.FileSystem;
import java.nio.file.FileSystems;
import java.nio.file.Path;
import java.nio.file.spi.FileSystemProvider;
//w ww  .j a va2  s.c  o  m
public class Main {

  public static void main(String[] args) {
    FileSystem fileSystem = FileSystems.getDefault();
    FileSystemProvider provider = fileSystem.provider();

    Iterable<Path> rootDirectories = fileSystem.getRootDirectories();
    System.out.println("Root Directories");
    for (Path path : rootDirectories) {
      System.out.println(path);
    }

  }
}