Написать монитор, которых хранит дату модификации файлов и выводит сообщения при изменении в файлах, а так же выводит сообщения при добавлении/удалении файлов

aMonitor

package Monitor2;

import java.io.File;
import java.io.IOException;
import java.sql.Date;

/*Написать монитор, которых хранит дату модификации файлов и
	выводит сообщения при изменении в файлах* .*/

public class MyClass {

    private static class MyEvents implements IFileEvents {
        
    	public void onFileAdded(File path) {
            System.out.println("File added: " + path);
        }
        
        public void onFileDeleted(File path) {
            System.out.println("File deleted: " + path);
        }
        
        public void onFileModified(File f) {
        	Date d = new Date(f.lastModified());
            System.out.println("File "+ f + " мodified: " + d);
        }
    }

    public static void main(String[] args) throws IOException {
        Monitor m = new Monitor("d:\\1");
        m.setTimeout(2000);
        m.setEvents(new MyEvents());
        m.start();
    }
}

filePlusData

package Monitor2;

import java.io.File;
import java.util.Date;

public class filePlusData  {
	File file;
	long lm;
	
	public filePlusData(String path){
		file = new File(path);
		lm = file.lastModified();
	}
	
	public File getFile(){
		return file;
	}
	
	public long getLM(){
		return lm;
	}

}

IFileEvents

package Monitor2;

import java.io.File;

public interface IFileEvents {
    void onFileAdded(File path2);
    void onFileDeleted(File path2);
    void onFileModified(File path2);
}

Monitor2

package Monitor2;

import java.lang.InterruptedException;
import java.nio.file.Files;
import java.nio.file.attribute.BasicFileAttributes;
import java.sql.Date;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import java.io.*;

public class Monitor {
	
	private String path;
	private int timeout;
	private List<filePlusData> prev = new ArrayList<filePlusData>();
	private List<filePlusData> curr = new ArrayList<filePlusData>();
	private IFileEvents events;

	public Monitor(String path) throws IOException {
		this.path = path;
		createArray(prev);
	}

	public void start() throws IOException {
		while (true) {
			createArray(curr);
			compareArrays(prev, curr);
			prev.clear();
			prev.addAll(curr);
			
			System.out.println("Waiting...");
			try {
				Thread.sleep(timeout);
			} catch (InterruptedException ex) {
				return;
			}
		}
	}

	public int getTimeout() {
		return timeout;
	}

	public void setTimeout(int value) {
		timeout = value;
	}

	public IFileEvents getEvents() {
		return events;
	}

	public void setEvents(IFileEvents value) {
		events = value;
	}

	private void doFileAdded(filePlusData path2) {
		if (events != null)
			events.onFileAdded(path2.getFile());
	}

	private void doFileDeleted(filePlusData path2) {
		if (events != null)
			events.onFileDeleted(path2.getFile());
	}
	
	private void doFileModified(filePlusData path2) {
		if (events != null)
			events.onFileModified(path2.getFile());
	}

	private void compareArrays(List<filePlusData> prev2, List<filePlusData> curr2) throws IOException {
		
		Iterator<filePlusData> it1 = prev2.iterator();
		Iterator<filePlusData> it2 = curr2.iterator();
		filePlusData f1;
		filePlusData f2;
		
		if( prev2.size()>curr2.size()){
		
			while (it1.hasNext()) {
			f1 = it1.next();
			f2 = it2.next();
			if ( ! f1.getFile().equals(f2.getFile())){
				doFileDeleted(f1);
			    return;
			   }
			}		
		}
		if( prev2.size()<curr2.size()){

			while (it2.hasNext()) {
				f2 = it2.next();			
				f1 = it1.next();

				if ( ! f2.getFile().equals(f1.getFile())){
					doFileAdded(f2);
					return;
				}	
			}
			
		}
		else {
			
			while (it2.hasNext()) {
				
				f1 = it1.next();
				f2 = it2.next();
				
				  if ( f1.getLM()!=f2.getLM())
						doFileModified(f1);			
					
			
		}
		
		
		
	
		

			}
		}


	private void createArray(List<filePlusData> curr2) throws IOException {
		File file = new File(path);
		File[] list = file.listFiles();
		int i=0;
		curr2.clear();
		for (File f : list) {			
			curr2.add(new filePlusData(f.getCanonicalPath()));
		}
	}
}

wConsol

Waiting...
Waiting...
Waiting...
File added: D:\1\~$D.docx
Waiting...
Waiting...
Waiting...
Waiting...
File D:\1\D.docx мodified: 2016-02-25
Waiting...
File deleted: D:\1\~$D.docx
Waiting...
Waiting...