Problem 4 – Football Stats

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.*;
import java.util.stream.Collectors;

public class footballStats {
    public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        HashMap<String, List<String>> stats = new HashMap<>();
        HashMap<String, Long> totalScore = new HashMap<>();
        String team1 = "";
        String team2 = "";
        String score1 = "";
        String score2 = "";
        String input = "";
        while (!"Season End".equals(input = reader.readLine())) {
            String[] teams = input.split(" - ");
            team1 = teams[0];
            String[] teamStats = teams[1].split("\\s+");
            team2 = teamStats[0];
            String[] scores = teamStats[2].split(":");
            score1 = scores[0];
            score2 = scores[1];

            stats.putIfAbsent(team1, new ArrayList<>());
            stats.get(team1).add(team2 + " -> " + teamStats[2]);
            totalScore.putIfAbsent(team1,0L);
            totalScore.replace(team1,totalScore.get(team1)+Long.parseLong(score1));

            stats.putIfAbsent(team2, new ArrayList<>());
            stats.get(team2).add(team1 + " -> " + score2+":"+score1);
            totalScore.putIfAbsent(team2,0L);
            totalScore.replace(team2,totalScore.get(team2)+Long.parseLong(score2));
        }

        LinkedHashMap<String,Long> sorted = totalScore.entrySet().stream()
                .sorted(Map.Entry.comparingByValue(Collections.reverseOrder()))
                .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue, (e1,e2) -> e1 ,LinkedHashMap::new));

        List<String> searchedTeams = Arrays.stream(reader.readLine().split(", ")).collect(Collectors.toList());

        for(Map.Entry<String,Long> team : sorted.entrySet()){
            if(searchedTeams.contains(team.getKey())){
                stats.get(team.getKey()).stream()
                        .sorted((t1,t2) -> t1.substring(0,t1.indexOf(" "))
                        .compareTo(t2.substring(0,t2.indexOf(" "))))
                        .forEach(t -> System.out.printf("%s - %s\n",team.getKey(),t));
            }
        }

    }
}