Fin03_13Dec_Meals2

package bg.softuni.javafundamentals;

import java.util.*;

public class Fin03_13Dec_Meals2 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        Map<String, List<String>> nameLike = new HashMap<>();
        int unlikedMeals = 0;
        String word;
        while (!(word = scanner.nextLine()).equals("Stop")) {
            String[] tokens = word.split("-");
            String name = tokens[1];
            String meal = tokens[2];
            switch (tokens[0]) {
                case "Like":
                    if (!nameLike.containsKey(name)) {
                        List<String> meals = new ArrayList<>();
                        meals.add(meal);
                        nameLike.put(name, meals);
                    } else {
                        nameLike.get(name).add(meal);
                    }
                    break;
                case "Unlike":
                    if (!nameLike.containsKey(name)) {
                        System.out.printf("%s is not at the party.%n", name);
                    } else {

                        if (nameLike.get(name).contains(meal)) {
                            nameLike.get(name).remove(meal);
                            System.out.printf("%s doesn't like the %s.%n", name, meal);
                            unlikedMeals++;
                        } else {
                            System.out.printf("%s doesn't have the %s in his/her collection.%n", name, meal);
                        }
                    }
                    break;
            }
        }

        nameLike.entrySet()
                .stream()
                .sorted((e1, e2) -> {
                    int result = Integer.compare(e2.getValue().size(), e1.getValue().size());
                    if (result == 0){
                        result = e1.getKey().compareTo(e2.getKey());
                    }
                    return result;
                })
                .forEach(entry -> {
                    System.out.printf("%s: %s%n", entry.getKey(), String.join(", ", entry.getValue()));
                });
        System.out.printf("Unliked meals: %d%n", unlikedMeals);
    }
}