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Изменения по проектной работе №1 #1

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49ade1f
Изменения по проектной работе №1
Siustoster Feb 5, 2026
1f5b713
Изменения по проектной работе №1 по результатам ревью
Siustoster Feb 5, 2026
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34 changes: 34 additions & 0 deletions src/main/java/Car.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,34 @@
public class Car {
private int speed;
private String name;
private int distance;

Car(int speed, String name) {
this.speed = speed;
this.name = name;
}

public int getSpeed() {
return speed;
}

public void setSpeed(int speed) {
this.speed = speed;
}

public String getName() {
return name;
}

public void setName(String name) {
this.name = name;
}

public int getDistance() {
return distance;
}

public void setDistance(int distance) {
this.distance = distance;
}
}
67 changes: 66 additions & 1 deletion src/main/java/Main.java
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Original file line number Diff line number Diff line change
@@ -1,6 +1,71 @@
import static java.lang.Integer.parseInt;

import java.util.ArrayList;
import java.util.Scanner;

public class Main {
public static Scanner scanner = new Scanner(System.in);

public static void main(String[] args) {
System.out.println("Hello world!");
System.out.println("Добро пожаловать на 24 часа Ле-Мана!");
Race race;
ArrayList<Car> racersList = new ArrayList<>();
String needAnotherRaceStr;
boolean bNeedAnotherRace;
while (true) {
racersList.clear();
while (true) {
System.out.println("Введите количество учавствующих в заезде автомобилей:");
String racersNum = scanner.next();
if (racersNum.matches("-?\\d+")) {
if (parseInt(racersNum) > 0) {
for (int i = 0; i < parseInt(racersNum); i++) {
racersList.add(appendCar(i));
}
break;
} else {
System.out.println("Некорректное число участников заезда");
}
} else System.out.println("Некорректное число участников заезда");
}
race = new Race(racersList);
race.startRace();
race.getResult();
while (true) {
System.out.println("Желаете провести еще один заезд? Да/Нет");
needAnotherRaceStr = scanner.next();
if (needAnotherRaceStr.equals("Да")) {
bNeedAnotherRace = true;
break;
} else if (needAnotherRaceStr.equals("Нет")) {
bNeedAnotherRace = false;
break;
} else System.out.println("Некорректный ввод");
}
if (!bNeedAnotherRace)
break;
}
}

public static Car appendCar(int number) {
String carName;
String carSpeed;
while (true) {
System.out.println("Введите название автомобиля №" + (number + 1));
carName = scanner.next();
if (carName.isBlank()) {
System.out.println("Некорректное название автомобиля");
} else break;
}
while (true) {
System.out.println("Введите скорость автомобиля №" + (number + 1) + " в диапазоне от 0 до 250 км\\ч");
carSpeed = scanner.next();
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@anastasianadelshtehel anastasianadelshtehel Feb 5, 2026

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Можно использовать nextLine() вместо next() для строк

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@Siustoster Siustoster Feb 5, 2026

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Попробовал использовать nextLine(), но почему-то выполняться программа стала некорректно - не ждет пока пользователь что-то введет, а сразу идет выполняться дальше и выдает из-за этого ошибку проверки. Вернул next()

if (carSpeed.matches("-?\\d+")) {
if (parseInt(carSpeed) >= 0 && parseInt(carSpeed) <= 250) {
break;
} else System.out.println("Некорректная скорость");
} else System.out.println("Некорректная скорость");
}
return new Car(parseInt(carSpeed), carName);
}
}
23 changes: 23 additions & 0 deletions src/main/java/Race.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,23 @@
import java.util.ArrayList;
import java.util.Comparator;

public class Race {
private ArrayList<Car> racers = new ArrayList<>();

Race(ArrayList<Car> Racers) {
this.racers.addAll(Racers);
}

public void startRace() {
System.out.println("Начинаем заезд!");
for (Car car : racers) {
car.setDistance(car.getSpeed() * 24);
}
}

public void getResult() {
racers.sort(Comparator.comparingInt(Car::getDistance));
System.out.println("Победитель заезда: " + racers.getLast().getName() + ", проехавший "
+ racers.getLast().getDistance() + " за 24 часа");
}
}