ExamPrep - Concert

package com.company;


import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;

public class Main {

    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        String input = scanner.nextLine();

        LinkedHashMap<String, List<String>> bandAndNames = new LinkedHashMap<>();
        LinkedHashMap<String, Integer> playTime = new LinkedHashMap<>();

        int totalTime = 0;

        while (!input.equals("start of concert")) {
            String[] tokens = input.split("; ");
            String command = tokens[0];
            String band = tokens[1];

            if (command.equals("Add")) {

                List<String> members = Arrays.stream(tokens[2].split(", ")).collect(Collectors.toList());

                if (!bandAndNames.containsKey(band)) {

                    bandAndNames.put(band, members);

                } else {
                    for (String member : members) {
                        if (!bandAndNames.get(band).contains(member)) {
                            bandAndNames.get(band).add(member);
                        }
                    }
                }
            } else if (command.equals("Play")) {
                int time = Integer.parseInt(tokens[2]);
                totalTime += time;

                if (!playTime.containsKey(band)) {
                    playTime.put(band, time);
                } else {
                    Integer currentTime = playTime.get(band);
                    playTime.put(band, currentTime + time);
                }
            }


            input = scanner.nextLine();
        }

        String band = scanner.nextLine();

        System.out.printf("Total time: %d%n", totalTime);
        playTime.entrySet()
                .stream()
                .sorted((f, s) -> {
                    int result = s.getValue() - f.getValue();// тук е минус, но е същото като Compare
                    if (result == 0) {
                        result = f.getKey().compareTo(s.getKey());// тук не може минус, защото са String-ове
                    }
                    return result;
                })
                .forEach(entry -> {
                    System.out.println(entry.getKey() + " -> " + entry.getValue());
                });

        System.out.println(band);

        for (String name : bandAndNames.get(band)) {
            System.out.println("=> " + name);

        }


    }
}