// Project: Recursion
// Module: fileinfo
// Source code file: FileInfo.java

// List file information in folder
// and all subfolders.

import java.io.File;
import java.util.Calendar;
public class FileInfo {

    public static void main(String[] args) {
        dir(new File("c:/<folder_name>"));
    }

    // Recursively list files in all subfolders.
    public static void dir(File file) {
        if (!file.isDirectory( )) {
            System.out.printf("%-20s %6d", file.getName( ), file.length( ));
            long millis = file.lastModified( );
            Calendar c = Calendar.getInstance( );
            c.setTimeInMillis(millis);
            int year = c.get(Calendar.YEAR);
            int month = c.get(Calendar.MONTH);
            int day = c.get(Calendar.DAY_OF_MONTH);
            int hour = c.get(Calendar.HOUR_OF_DAY);
            int min = c.get(Calendar.MINUTE);
            int sec = c.get(Calendar.SECOND);
            System.out.printf(" Last modified: %d/%d/%d %02d:%02d:%02d\n",
                    month, day, year % 100, hour, min, sec);
        }
        else  {
            System.out.println("Files in directory " + file.getName( ) + ":");
            for (File f : file.listFiles( )) {
                dir(f);
            }
        }
    }
}