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ksreyrksreyr
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feat(first): first problem
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‎.idea/.gitignore‎

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‎level1/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>org.example</groupId>
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<artifactId>level1</artifactId>
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<version>1.0-SNAPSHOT</version>
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<properties>
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<maven.compiler.source>21</maven.compiler.source>
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<maven.compiler.target>21</maven.compiler.target>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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</project>

‎level1/src/main/java/org/com/level/Manchester.java‎

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package org.com.level;
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import java.util.ArrayList;
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import java.util.Comparator;
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import java.util.Locale;
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import java.util.Map;
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import java.util.Scanner;
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import java.util.function.Function;
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import java.util.function.Predicate;
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import java.util.stream.Collector;
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import java.util.stream.Collectors;
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import java.util.stream.Stream;
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public class Manchester {
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public static final Map<String, Comparator<Player>> COMPARATOR = Map.of(
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"goals", Comparator.comparingInt(Player :: goals),
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"speed", Comparator.comparingInt(Player :: speed),
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"assists", Comparator.comparingInt(Player :: assists),
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"passing", Comparator.comparingInt(Player :: passingAccuracy),
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"defensivePlayer",
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Comparator.comparingInt(Player :: passingAccuracy)
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);
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private static Scanner scanner = new Scanner(System.in);
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private static Map<Integer, Player> manchester = Map.of(
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8, new Player("Bruno Fernandes", 5, 6, 9, 10, 3, 8),
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11, new Player("Rasmus Hojlund", 12, 8, 2, 6, 2, 11),
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5, new Player("Harry Maguire", 1, 5, 1, 7, 9, 5),
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1, new Player("Alejandro Garnacho", 8, 7, 8, 6, 0, 17),
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7, new Player("Mason Mount", 2, 6, 14, 8, 1, 7)
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);
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public static void main(String[] args) {
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var shouldContinue = true;
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while (shouldContinue) {
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printMenu();
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switch (scanner.nextInt()) {
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case 1 -> {
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System.out.println("give the jersey number");
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System.out.println(manchester.get(scanner.nextInt()));
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}
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case 2 -> {
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requireData result = getRequireData();
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var playerMap = getComparationMap(
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result.statistics(),
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result.player1(),
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result.player2(),
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COMPARATOR);
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printComparation(playerMap);
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}
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case 3 -> printTopPlayerByStatistic("speed");
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case 4 -> printTopPlayerByStatistic("goals");
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case 5 -> printTopPlayerByStatistic("assists");
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case 6 -> printTopPlayerByStatistic("passing");
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case 7 -> printTopPlayerByStatistic("defensivePlayer");
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case 9 -> shouldContinue = false;
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}
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}
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}
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private static void printTopPlayerByStatistic(String st) {
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System.out.println(manchester.values().stream().max(COMPARATOR.get(st)).get());
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}
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private static requireData getRequireData() {
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var statistics = new ArrayList<String>();
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System.out.println("give the jersey number of player one");
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var player1 = manchester.get(scanner.nextInt());
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System.out.println("give the jersey number of player two");
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var player2 = manchester.get(scanner.nextInt());
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var shouldAksStatistic = true;
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while (shouldAksStatistic) {
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System.out.println("Select player's statistic to compare. 'Q' to stop");
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String next = scanner.next().toLowerCase(Locale.ROOT);
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shouldAksStatistic = (! next.equals("q")) && statistics.add(next);
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}
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return new requireData(statistics, player1, player2);
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}
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private record requireData(
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ArrayList<String> statistics, Player player1, Player player2
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) {}
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private static Map<String, Player> getComparationMap(ArrayList<String> statistics,
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Player player1, Player player2
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, Map<String, Comparator<Player>> comparator) {
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return statistics
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.stream()
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.map(comparatorFromStatisticToStaAndPlayer(player1, player2, comparator))
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.collect(makeAMap());
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}
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private static void printComparation(Map<String, Player> list) {
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list.forEach((key, player) -> System.out.println("Statistic: " + key + " Player" +
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":" + player.name()));
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}
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private static Collector<Map.Entry<String, Player>, ?, Map<String, Player>> makeAMap() {
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return Collectors.toMap(Map.Entry :: getKey, Map.Entry :: getValue);
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}
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private static Function<String, Map.Entry<String, Player>> comparatorFromStatisticToStaAndPlayer(Player player1, Player player2, Map<String, Comparator<Player>> comparator) {
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return st -> Map.entry(st,
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Stream.of(player1, player2).max(comparator.get(st)).get());
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}
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private static void printMenu() {
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System.out.println("1) Show player characteristics by Jersey Number");
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System.out.println("2) Compare two players");
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System.out.println("3) Show the fastest player");
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System.out.println("4) Show the top goal scorer");
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System.out.println("5) Show the player with most assist");
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System.out.println("6) Show the highest passing accuracy");
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System.out.println("7) Show the better defense player");
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System.out.println("8) to exit...!");
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}
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public static Player searchBy(String characteristic, int comparator) {
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Map<String, Predicate<Player>> playerMap = Map.of(
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"goals", player -> player.goals().equals(comparator),
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"speed", player -> player.speed().equals(comparator),
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"assists", player -> player.assists().equals(comparator),
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"accurate", player -> player.passingAccuracy().equals(comparator),
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"defensivePlayer", player -> player.defensive().equals(comparator)
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);
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return manchester
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.values()
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.stream()
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.filter(playerMap.get(characteristic))
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.findFirst()
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.orElseGet(() -> new Player("", 0, 0, 0, 0, 0, 0));
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}
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}

‎level1/src/main/java/org/com/level/Player.java‎

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package org.com.level;
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public record Player (String name,
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Integer goals,
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Integer speed,
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Integer assists,
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Integer passingAccuracy,
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Integer defensive,
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Integer jerseyNumber)
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{
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}

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