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Create Race Game - first homework #1

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Create Race Game - first homework #1

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Create Race Game - first homework
Dila627 Sep 29, 2025
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Исправлены замечания ревью:
Dila627 Sep 29, 2025
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89 changes: 87 additions & 2 deletions src/main/java/Main.java
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Original file line number Diff line number Diff line change
@@ -1,6 +1,91 @@
import java.util.Scanner;

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

Scanner scanner = new Scanner(System.in);
Race currentRace = new Race();

for (int i = 1; i <= 3; i++) {

String name = readNonEmptyLine(scanner, "Введите название машины №:" + i + ":");

int speed;

while (true) {

System.out.println("Введите скорость машины №:" + i + "(0-250)");

if (scanner.hasNextInt()) {

speed = scanner.nextInt();


if (speed >= Car.MIN_SPEED && speed <= Car.MAX_SPEED) {
scanner.nextLine();
break;
} else {
System.out.println("Неправильная скорость");
}
} else {
System.out.println("Введите целое число для скорости");
scanner.next();
}
}

Car newCar = new Car(name, speed);
currentRace.checkNewLead(newCar);
}

System.out.println("\nСамая быстрая машина: " + currentRace.getWinner());
scanner.close();

}

private static String readNonEmptyLine(Scanner scanner, String prompt) {
String input = "";
while (input.isEmpty()) {
System.out.println(prompt);
input = scanner.nextLine().trim();
if (input.isEmpty()) {
System.out.println("Название не может быть пустым");
}
}
return input;
}
}
}

class Car {
static final int MIN_SPEED = 0;
static final int MAX_SPEED = 250;


final String name;
final int speed;

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

}

class Race {

private String leadRacer = "";
private int leadGap = 0;

public void checkNewLead(Car car) {

int distance = 24 * car.speed;
if (distance > leadGap) {
leadRacer = car.name;
leadGap = distance;
}
}

public String getWinner() {
return leadRacer;
}
}