객체화 예시(자동차)

public class Car {
int price;
String color;
String brand;

Car(){}

public Car(int price, String color, String brand) {
	this.price = price;
	this.color = color;
	this.brand = brand;
}

Double speedUp(double speed){
	speed++;
	return speed;
}

Double speedDown(double speed){
	speed--;
	return speed;
}

void showInfo() {
	System.out.println("브랜드 :" + brand);
	System.out.println("색상 :" + color);
	System.out.println("가격 :" + price + "만원");
}
public static void main(String[] args) {
	//객체화
	//인스턴스 변수(맘카,대디카,마이카)
	//클래스명() : 기본 생성자
	//클래스를 선언하면 자동으로 선언되는 생성자
	
	Car momCar = new Car(9000,"black","benz");
	momCar.showInfo();
	Car dadyCar = new Car();
	Car myCar = new Car();

//
// momCar.brand="banz";
// momCar.color="black";
// momCar.price=9000;
//
// momCar.showInfo();
// dadyCar.showInfo();
}

}