Final Exam - 16 December 2018 - 01. Concert

package com.company;

import java.util.*;

public class Main {
    public static void main(String[] args) {

        Scanner scanner= new Scanner(System.in);
        String input="";
        Map<String,List<String>> bandAndMembers = new LinkedHashMap<>();
        Map<String,Integer> bandAndTime = new LinkedHashMap<>();
        int totalTime = 0;
        int time = 0;

        System.out.println();
        while (!"start of concert".equals(input = scanner.nextLine())){
            String[] splitted = input.split(";");
            String operation = splitted[0].trim();
            String bandName = splitted[1].trim();
            if (operation.trim().equals("Add")) {
                String[] names = splitted[2].trim().split(",\\s");
                bandAndMembers.putIfAbsent(bandName.trim(), new ArrayList<>());

                for (int i = 0; i < names.length; i++) {
                    if (!bandAndMembers.get(bandName.trim()).contains(names[i])){
                        bandAndMembers.get(bandName.trim()).add(names[i]);
                    }
                }
            }else if (operation.trim().equals("Play")){
                time = Integer.parseInt(splitted[2].trim());
                totalTime += time;

                if (bandAndTime.containsKey(bandName.trim())){
                    bandAndTime.put(bandName.trim(),bandAndTime.get(bandName.trim()) + time);
                }else {
                    bandAndTime.put(bandName.trim(),time);
                }

            }

        }

        System.out.printf("Total time: %d\n",totalTime);

        bandAndTime.entrySet().stream().sorted((a,b) -> {
            int sort = Integer.compare(b.getValue(), a.getValue());
            if (sort == 0){
                sort = a.getKey().compareTo(b.getKey());
            }
            return sort;}).forEach(e -> {
            System.out.printf("%s -> %d\n",e.getKey(),e.getValue());
        });

        String finalInput = scanner.nextLine();
        System.out.println(finalInput);
        if (bandAndMembers.containsKey(finalInput)){
            for (int i = 0; i < bandAndMembers.get(finalInput).size(); i++) {
                System.out.printf("=> %s\n",bandAndMembers.get(finalInput).get(i));
            }
        }

    }
}