获取路径根

import java.nio.file.Path;
/*
n  o  w  j  a  v  a . c o m 提供
*/

import java.nio.file.Paths;


public class Main {


    public static void main(String[] args) {


        Path path = Paths.get("C:", "folder1/folder2/folder4", "test.txt");

        System.out.println("Root of this path: " + path.getRoot());

    }

}