Почитал, компаратор применил. Просто уже не знаю что делать...
package com.javarush.task.task27.task2712;
import com.javarush.task.task27.task2712.ad.Advertisement;
import com.javarush.task.task27.task2712.ad.AdvertisementManager;
import com.javarush.task.task27.task2712.ad.NoVideoAvailableException;
import com.javarush.task.task27.task2712.kitchen.Order;
import java.io.IOException;
import java.util.Observable;
import java.util.logging.Level;
import java.util.logging.Logger;
public class Tablet extends Observable {
public final int number;
public static java.util.logging.Logger logger = Logger.getLogger(Tablet.class.getName());
public Tablet(int tabletNumber) {
number = tabletNumber;
}
@Override
public String toString() {
return String.format("Tablet{number=%d}", number);
}
public Order createOrder()
{
setChanged();
try {
Order order = new Order(this);
if(order.isEmpty())
return null;
AdvertisementManager manager = new AdvertisementManager(order.getTotalCookingTime() * 60);
System.out.println(order.toString());
try {
manager.processVideos();
}
catch (NoVideoAvailableException noVideoException)
{
logger.log( Level.INFO, "No video is available for the order " + order);
}
notifyObservers(order);
return order;
}
catch (IOException e)
{
logger.log(Level.SEVERE, "Console is unavailable.");
}
return null;
}
}