struklyts · struklyts · Nov 10, 2024 · Nov 11, 2024 · Nov 11, 2024 · Nov 14, 2024
diff --git a/src/main/java/Main.java b/src/main/java/Main.java
@@ -1,6 +1,48 @@
+import java.util.ArrayList;
+import java.util.Scanner;
+
+import main.java.Car;
+import main.java.Race;
 
 public class Main {
     public static void main(String[] args) {
-        System.out.println("Hello world!");
+        ArrayList<Car> cars = getCars(3);
+        Race race = new Race(cars);
+        Car winner = race.getWinner();
+        System.out.printf("Самая быстрая машина: %s", winner.title);
+    }
+
+    public static ArrayList<Car> getCars(int participantsCount) {
+        Scanner scanner = new Scanner(System.in);
+        ArrayList<Car> cars = new ArrayList<>();
+        for (int i = 1; i <= participantsCount; i++) {
+            String title = getCarTitle(scanner, i);
+            int speed = getCarSpeed(scanner, i);
+            cars.add(new Car(title, speed));
+        }
+
+        return cars;
+    }
+
+    public static String getCarTitle(Scanner scanner, int participantNumber) {
+        System.out.printf("— Введите название машины №%d:", participantNumber);
+        return scanner.next();
+    }
+
+    public static int getCarSpeed(Scanner scanner, int participantNumber) {
+        System.out.printf("— Введите скорость машины №%d:", participantNumber);
+        if (!scanner.hasNextInt()) {
+            System.out.println("— Неправильная скорость");
+            scanner.next();
+            return getCarSpeed(scanner, participantNumber);
+        }
+
+        int speed = scanner.nextInt();
+        if (Car.isSpeedValid(speed)) {
+            return speed;
+        }
+        System.out.println("— Неправильная скорость");
+
+        return getCarSpeed(scanner, participantNumber);
     }
 }
diff --git a/src/main/java/main/java/Car.java b/src/main/java/main/java/Car.java
@@ -0,0 +1,15 @@
+package main.java;
+
+public class Car {
+    final public String title;
+    final public int speed;
+
+    public Car(String title, int speed) {
+        this.title = title;
+        this.speed = speed;
+    }
+
+    public static boolean isSpeedValid(int speed) {
+        return speed > 0 && speed <= 250;
+    }
+}
diff --git a/src/main/java/main/java/Race.java b/src/main/java/main/java/Race.java
@@ -0,0 +1,28 @@
+package main.java;
+
+import java.util.ArrayList;
+
+public class Race {
+    private final ArrayList<Car> cars;
+    private Car winner;
+
+    public Race(ArrayList<Car> cars) {
+        this.cars = cars;
+        //тут надо кинуть екцепшен если машин меньше 2-х например, но мы их пока не изучали :-)
+    }
+
+    public Car getWinner() {
+        if (this.winner != null) {
+            return this.winner;
+        }
+
+        this.winner = cars.get(0);
+        for (Car car: cars) {
+            if (car.speed > winner.speed) {
+                this.winner = car;
+            }
+        }
+
+        return this.winner;
+    }
+}