클래스와 객체

public class Car {
    // 필드
    private String brand;
    private int speed;
    private int year;

    // 생성자
    public Car(String brand, int year) {
        this.brand = brand;
        this.year = year;
        this.speed = 0;
    }

    // 메서드
    public void accelerate(int amount) {
        this.speed += amount;
    }

    public void brake(int amount) {
        this.speed = Math.max(0, this.speed - amount);
    }

    public String getStatus() {
        return brand + " (" + year + ") - 속도: " + speed + "km/h";
    }

    public static void main(String[] args) {
        Car car = new Car("Tesla", 2024);
        car.accelerate(60);
        car.accelerate(40);
        car.brake(20);
        System.out.println(car.getStatus());
        // Tesla (2024) - 속도: 80km/h
    }
}