How to find sub-directories in a directory/folder?

Question

I\'m looking for a way to get all the names of directories in a given directory, but not files.

For example, let\'s say I have a folder called Parent, a

Answer 1

public static void displayDirectoryContents(File dir) {
    try {
        File[] files = dir.listFiles();
        for (File file : files) {
            if (file.isDirectory()) {
                System.out.println("Directory Name==>:" + file.getCanonicalPath());
                displayDirectoryContents(file);
            } else {
                System.out.println("file Not Acess===>" + file.getCanonicalPath());
            }
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
}

}

====inside class/Method provide File=URL ======

    File currentDir = new File("/home/akshya/NetBeansProjects/");
    displayDirectoryContents(currentDir);
}