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Проектная работа №1 #1

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Commit 1
kportnov May 2, 2025
406f9ed
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kportnov May 3, 2025
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Commit 3
kportnov May 3, 2025
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77 changes: 75 additions & 2 deletions src/main/java/Main.java
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Original file line number Diff line number Diff line change
@@ -1,6 +1,79 @@
import java.util.Scanner;

public class Main {
public static void main(String[] args) {
System.out.println("Hello world!");

Scanner scanner = new Scanner(System.in);
Car[] cars = new Car[3];
Race race = new Race();

for (int i = 0; i < cars.length; i++) {
System.out.printf("— Введите название машины №%d:%n", i + 1);
String name = scanner.next();

while (true) {
System.out.printf("— Введите скорость машины №%d:%n", i + 1);
String speedLine = scanner.next();
if (isDigits(speedLine)) {
int speed = Integer.parseInt(speedLine);
if (speed > 0 && speed <= 250) {
cars[i] = new Car(name, speed);
break;
}
}
System.out.println("— Неправильная скорость");
}
}
race.startRace(cars);
}


//Так как в курсе ещё не знакомы с regexp и исключениями, метод для определения является ли строка трехзначным числом и менее
public static boolean isDigits(String line) {
String numbers = "0123456789";
if (line.length() > 3) {
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@sukhoikms27 sukhoikms27 May 3, 2025

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а в целом неплохое решение!

return false;
} else {
boolean allContains = true;
for (int i = 0; i < line.length(); i++) {
if (!numbers.contains(String.valueOf(line.charAt(i)))) {
allContains = false;
break;
}
}
return allContains;
}
}
}

class Car {
String name;
int speed;

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


class Race {
private String winner = "";
private int currentDistance = 0;

void startRace(Car[] cars) {
for (Car car : cars) {
int distance = calculateDistance(car);
if (distance > currentDistance) {
currentDistance = distance;
winner = car.name;
}
}

System.out.println("Самая быстрая машина: " + winner);
}

private int calculateDistance(Car car) {
return car.speed * 24;
}
}
}