Exercise 5

public class Car {
    private String brand;
    private int speed;
    private double fuel;
    private double mileage;

    public Car(String brand, int speed, double fuel) {
        this.brand = brand;
        this.speed = speed;
        this.fuel = fuel;
        this.mileage = 0.0;
    }

    public void accelerate() {
        speed += 10;
    }

    public void refuel(double amount) {
        fuel += amount;
    }

    public void drive(int distance) {
        if (fuel > 0) {
            double fuelConsumed = (double) distance / speed;
            fuel -= fuelConsumed;
            mileage += distance;
            System.out.println("Distance: " + distance + " km.");
            System.out.println("Mileage: " + mileage + " km.");
            System.out.println("Left fuel: " + fuel + " l.");
        } else {
            System.out.println("Not enough fuel.");
        }
    }

    public static void main(String[] args) {
        Car myCar = new Car("Audi", 60, 30.0);

        myCar.drive(200);
        myCar.accelerate();
        myCar.drive(150);
        myCar.refuel(20.0);

        myCar.drive(100);
    }
}