Модифицировать монитор так, чтобы он работал на базе связных списков

IFileEvents

package Monitor2;

public interface IFileEvents {
    void onFileAdded(String path);
    void onFileDeleted(String path);
}

Monitor

package Monitor2;

import java.lang.InterruptedException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.io.*;

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

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

	public void start() {
		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(String path) {
		if (events != null)
			events.onFileAdded(path);
	}

	private void doFileDeleted(String path) {
		if (events != null)
			events.onFileDeleted(path);
	}

	private void compareArrays(List<String> prev2, List<String> curr2) {
		Iterator<String> it = prev2.iterator();
		String path;
		
		while (it.hasNext()) {
			path = it.next();

			if ( ! curr2.contains(path))
				doFileDeleted(path);
		}

		it = curr2.iterator();
		while (it.hasNext()) {
			path = it.next();

			if ( ! prev2.contains(path))
				doFileAdded(path);
		}
	}

	private void createArray(List<String> curr2) {
		try {
			File file = new File(path);
			File[] list = file.listFiles();

			curr2.clear();
			for (File f : list) {
				curr2.add(f.getCanonicalPath());
			}
		} catch (IOException ex) {
			ex.printStackTrace();
		}
	}
}

Monitor2

package Monitor2;

	/*Модифицировать монитор так, чтобы он работал на базе связных списков.*/

public class MyClass {

    private static class MyEvents implements IFileEvents {
        public void onFileAdded(String path) {
            System.out.println("File added: " + path);
        }
        
        public void onFileDeleted(String path) {
            System.out.println("File deleted: " + path);
        }
    }

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