模拟汽车启动 -----面向对象

public class Car {

	//静态属性···········
	String color;
	boolean isStar;
	String brand;
	int speed ;
	
	//动态行为······
	//安全带
	public void safety() {
		System.out.println("····请系好你的安全带····"+"\n");
	}
	//启动·······
	public void start() {
		System.out.println("·····呜呜呜···汽车已经启动···");
	}
	
	//加速
	public void speedup() {
		speed = speed +20;
		System.out.println("····轰轰轰···汽车以"+speed+"km/h的速度加速");
	}
	//··减速·······
	public void speeddown() {
		speed = speed -20;
		System.out.println("·····轰轰轰···汽车以"+speed+"km/h的速度减速");

}
//熄火
public void stall() {
System.out.println("········汽车已经熄火····");
}
public static void main(String[] args) {
//创建一辆汽车
Car car = new Car();
car.color = “红色”;
car.brand = “法拉利”;
//安全带
car.safety();
//启动
car.start();
//加速
car.speedup();
//继续加速
car.speedup();
//再继续加速
car.speedup();
//减速
car.speeddown();
//在减速
car.speeddown();
//熄火
car.stall();

}
}