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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| import java.util.Scanner; | ||
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| public class Car { | ||
| private final Scanner scanner = new Scanner(System.in); | ||
| String name; | ||
| int speed; | ||
|
|
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| public Car() { | ||
| } | ||
|
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| public Car(String name, int speed) { | ||
| this.name = name; | ||
| this.speed = speed; | ||
| } | ||
|
|
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| public String checkNameCar() { | ||
| String name; | ||
| while (true) { | ||
| if (scanner.hasNextLine()) { | ||
| name = scanner.nextLine(); | ||
| if (!name.trim().isEmpty()) { | ||
| return name; | ||
| } | ||
| } else { | ||
| System.out.println("название автомобиля не может быть пустым"); | ||
| scanner.nextLine(); | ||
| } | ||
| } | ||
| } | ||
|
|
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| public int checkMaxCarSpeed() { | ||
| int speed; | ||
| while (true) { | ||
| if (scanner.hasNextInt()) { | ||
| speed = scanner.nextInt(); | ||
| if (speed > 0 && speed <= 250) { | ||
| return speed; | ||
| } | ||
| } else { | ||
| System.out.println("Нечисловое значение скорости, дробное значение скорости, скорость вне допустимого диапазона от 0 до 250"); | ||
| scanner.next(); | ||
| } | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,6 +1,27 @@ | ||
|
|
||
| public class Main { | ||
| public static void main(String[] args) { | ||
| System.out.println("Hello world!"); | ||
| Race race = new Race(); | ||
| Car carNumberOne = new Car(); | ||
| System.out.println("Введите название машины №1:"); | ||
| carNumberOne.name = carNumberOne.checkNameCar(); | ||
| System.out.println("Введите скорость машины №1:"); | ||
| carNumberOne.speed = carNumberOne.checkMaxCarSpeed(); | ||
|
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| Car carNumberTwo = new Car(); | ||
| System.out.println("Введите название машины №2:"); | ||
| carNumberTwo.name = carNumberTwo.checkNameCar(); | ||
| System.out.println("Введите скорость машины №2:"); | ||
| carNumberTwo.speed = carNumberTwo.checkMaxCarSpeed(); | ||
|
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| Car carNumberThree = new Car(); | ||
| System.out.println("Введите название машины №3:"); | ||
| carNumberThree.name = carNumberThree.checkNameCar(); | ||
| System.out.println("Введите скорость машины №3:"); | ||
| carNumberThree.speed = carNumberThree.checkMaxCarSpeed(); | ||
|
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| System.out.println("Самая быстрая машина: " + | ||
| race.checkLeader(carNumberOne, carNumberTwo, carNumberThree) | ||
| ); | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| public class Race { | ||
| String leader; | ||
| int distance; | ||
|
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| //Дистанция = время (24) * скорость | ||
| public int getDistance(int speed) { | ||
| distance = 24 * speed; | ||
| return speed; | ||
| } | ||
|
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| public String checkLeader(Car carNumberOne, | ||
| Car carNumberTwo, | ||
| Car carNumberThree) { | ||
| int one = getDistance(carNumberOne.speed); | ||
| int two = getDistance(carNumberTwo.speed); | ||
| int three = getDistance(carNumberThree.speed); | ||
|
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| if (one > two && one > three) { | ||
| leader = carNumberOne.name; | ||
| } else if (two > one && two > three) { | ||
| leader = carNumberTwo.name; | ||
| } else if (three > one && three > two) { | ||
| leader = carNumberThree.name; | ||
| } | ||
| return leader; | ||
| } | ||
| } |
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Рекомендация:
Для запроса данных хорошо бы подошёл один из циклов, к примеру,
for. Он бы помог избежать не нужного дублирования кода