How to display root directories in the system using Java

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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:\