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Практическая работа №1 #1
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| public class Car { | ||
| private String name = ""; | ||
| private int speed = 0; | ||
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| Car(String name, int speed){ | ||
| this.name = name; | ||
| this.speed = speed; | ||
| } | ||
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| public String getName() { | ||
| return name; | ||
| } | ||
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| public int getSpeed() { | ||
| return speed; | ||
| } | ||
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| public void setName(String name) { | ||
| this.name = name; | ||
| } | ||
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| public void setSpeed(int speed) { | ||
| this.speed = speed; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,6 +1,51 @@ | ||
| import java.util.Scanner; | ||
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| public class Main { | ||
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| public static void main(String[] args) { | ||
| System.out.println("Hello world!"); | ||
| Scanner scanner = new Scanner(System.in); | ||
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| int count = 0; | ||
| Race racer = new Race(); | ||
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| while(true){ | ||
| System.out.println("Введите количество машин:"); | ||
| if(scanner.hasNextInt()){ | ||
| count = scanner.nextInt(); | ||
| scanner.nextLine(); | ||
| if(count > 0) { | ||
| break; | ||
| } | ||
| } | ||
| else { | ||
| System.out.println("Ошибка ввода! Попробуйте снова!"); | ||
| scanner.next(); | ||
| } | ||
| } | ||
|
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| for(int i = 0; i < count; i++) { | ||
| System.out.println("Введите название " + (i+1) + "-ой машины:"); | ||
| String nameCar = scanner.nextLine(); | ||
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| int speedCar; | ||
| while (true) { | ||
| System.out.println("Введите скорость " + (i+1) + "-ой машины(больше 0 и меньше 250):"); | ||
| if (scanner.hasNextInt()) { | ||
| speedCar = scanner.nextInt(); | ||
| scanner.nextLine(); | ||
| if( speedCar > 0 && speedCar < 250) { | ||
| racer.checkRacer(nameCar, speedCar); | ||
| break; | ||
| } | ||
| } else { | ||
| System.out.println("Неправильная скорость!"); | ||
| scanner.next(); | ||
| } | ||
| } | ||
| } | ||
| System.out.println("Победитель: " + racer.getRace()); | ||
| scanner.close(); | ||
|
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| } | ||
|
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| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| import java.util.Scanner; | ||
|
|
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| public class Race { | ||
| private String racer = ""; | ||
| private int distance = 0; | ||
| Scanner scanner = new Scanner(System.in); | ||
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| public void checkRacer(String name, int speed){ | ||
| Car car = new Car(name, speed); | ||
| int newDistance = 24 * car.getSpeed(); | ||
| if (this.distance < newDistance) { | ||
| this.distance = newDistance; | ||
| this.racer = car.getName(); | ||
| } | ||
| } | ||
|
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| public void setRace(String racer) { | ||
| this.racer = racer; | ||
| } | ||
|
|
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| public String getRace() { | ||
| return racer; | ||
| } | ||
| } |
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Если ввести отрицательно число, то далее программа будет работать некорректно. Добавь проверку на отрицательное число.
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добрый день.

у меня работает и с отрицанием
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А, извините, поняла, вопрос по количеству