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code #1

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30 changes: 30 additions & 0 deletions src/main/java/Car.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,30 @@
public class Car {
private String carName;
private int carSpeed;

public Car(String carName, int carSpeed) {
this.carName = carName;
this.carSpeed = carSpeed;
}

public String getCarName() {
return carName;
}

public int getCarSpeed() {
return carSpeed;
}


public void setCarName(String carName) {
this.carName = carName;
}

public void setCarSpeed(int carSpeed) {
if (carSpeed <= 0) {
System.out.println("Ошибка. Скорость автомобиля не может быть отрицательной или равна нулю");
} else if (carSpeed >= 250) {
System.out.println("Ошибка. Скорость автомобиля не может быть больше 250");
} else this.carSpeed = carSpeed;
}
}
49 changes: 47 additions & 2 deletions src/main/java/Main.java
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Original file line number Diff line number Diff line change
@@ -1,6 +1,51 @@
import java.util.ArrayList;
import java.util.Scanner;

public class Main {
public static void main(String[] args) {
System.out.println("Hello world!");
int numberOfСars = 3; //количество машин участвующих в гонке
ArrayList<Car> listOfCar = new ArrayList<>();
Scanner sr = new Scanner(System.in);

for (int i = numberOfСars; i > 0; i--) {

String carName;
while (true) {
System.out.println("Введите название машины №" + (numberOfСars - i + 1));
carName = sr.nextLine();
if (carName != null && !carName.isEmpty() && !carName.trim().isEmpty()) {
break;
} else System.out.println("Введено не корректное значение пропробуйте снова");
}

int carSpeed;
while (true) {
System.out.println("Введите скорость машины №" + (numberOfСars - i + 1));
String carSpeedString = sr.nextLine();
if (isNumber(carSpeedString)) {
if (Integer.parseInt(carSpeedString) > 0 && Integer.parseInt(carSpeedString) <= 250) {
carSpeed = Integer.parseInt(carSpeedString);
break;
} else System.out.println("Введено не корректное значение пропробуйте снова");
} else System.out.println("Введено не корректное значение пропробуйте снова");
}

Car car = new Car(carName, carSpeed);
listOfCar.add(car);
}

Race race = new Race(listOfCar);
race.resultRace();
sr.close();

}

public static boolean isNumber(String str) {
try {
Integer.parseInt(str);
} catch (Exception e) {
return false;
}
return true;
}
}
}
49 changes: 49 additions & 0 deletions src/main/java/Race.java
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import java.util.ArrayList;

public class Race {
int timeRace = 24;
ArrayList<Car> listOfCar;

// стандартная гонка - 24 часа
public Race(ArrayList<Car> listOfCar) {
this.listOfCar = listOfCar;
}

// не стандартная гонка(задаём время)
public Race(ArrayList<Car> listOfCar, int timeRace) {
this.listOfCar = listOfCar;
this.timeRace = timeRace;
}

public int getTimeRace() {
return timeRace;
}

public void setTimeRace(int timeRace) {
if (timeRace <= 0) {
System.out.println("Ошибка. Время гонки не может быть меньше или равно 0");
} else this.timeRace = timeRace;
}

public void resultRace() {
String carChamp = null;
int distance = 0;
int distance2 = 0; // нужно для проверки нет ли больше одного победителя

for (Car car : listOfCar) {
if (car.getCarSpeed() * timeRace > distance) {
distance = car.getCarSpeed() * timeRace;
carChamp = car.getCarName();
} else if (car.getCarSpeed() * timeRace == distance) {
String carChamp2 = car.getCarName();
distance2 = car.getCarSpeed() * timeRace;
}
}

if (distance == distance2) {
System.out.println("Победителей нет, несколько машин пришли одновременно");
} else {
System.out.printf("Самая быстрая машина: %s, прошла %d километров", carChamp, distance);
}
}
}