How to display root directories in the system using Java

Problem Description

How to display root directories in the system?

Solution

Following example shows how to find root directories in your system using listRoots() method of File class.

import java.io.*;

public class Main { 
   public static void main(String[] args) { 
      File[] roots = File.listRoots();
      System.out.println("Root directories in your system are:");
      
      for (int i = 0; i < roots.length; i++) {
         System.out.println(roots[i].toString());
      } 
   }
}

Result

The above code sample will produce the following result. The result may vary depending on the system & operating system. If you are using Unix system you will get a single root '/'.

Root directories in your system are:
C:\
D:\
E:\
F:\
G:\
H:\