Report File Status in java application program

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package javasample;

import java.io.*;
import java.util.*;

/**
 *
 * @author rajesh kumar shukla
 */
public class FileStatus {
         public static void main(String[] argv) throws IOException {
        
         // Ensure that a filename (or something) was given in argv[0]
             if (argv.length == 0) {
             System.err.println("Usage: Status filename");
             System.exit(1);
         }
             for (int i = 0; i< argv.length; i++) {
             status(argv[i]);
         }
     }
    
         public static void status(String fileName) throws IOException {
         System.out.println("---" + fileName + "---");
        
         // Construct a File object for the given file.
         File f = new File(fileName);
        
         // See if it actually exists
             if (!f.exists()) {
             System.out.println("file not found");
             System.out.println(); // Blank line
             return;
         }
         // Print full name
         System.out.println("Canonical name " + f.getCanonicalPath());
         // Print parent directory if possible
         String p = f.getParent();
             if (p != null) {
             System.out.println("Parent directory: " + p);
         }
         // Check if the file is readable
             if (f.canRead()) {
             System.out.println("File is readable.");
         }
         // Check if the file is writable
             if (f.canWrite()) {
             System.out.println("File is writable.");
         }
         // Report on the modification time.
         Date d = new Date();
         d.setTime(f.lastModified());
         System.out.println("Last modified " + d);
        
         // See if file, directory, or other. If file, print size.
             if (f.isFile()) {
             // Report on the file's size
             System.out.println("File size is " + f.length() + " bytes.");
             } else if (f.isDirectory()) {
             System.out.println("It's a directory");
             } else {
             System.out.println("I dunno! Neither a file nor a directory!");
         }
        
         System.out.println(); // blank line between entries
     }
}