day09_CarTest

package day09;

public class CarTest {
	public static void main(String[] args) {
		Car myCar = new Car();
		myCar.changeGear(1);
		myCar.speedUp();
		System.out.println(myCar);

	}
}

class Car {
	String color;
	int gear;
	int speed;

	void changeGear(int g) {
		gear = g;
	}

	void speedUp() {
		speed = speed + 10;
	}

	void speedDown() {
		speed = speed - 10;
	}
}

출력결과

day09.Car@1175e2db