java习题交通工具

交通工具"/>

java习题交通工具

class  Vehicle
{int speed,size;public void move()//输出速度{System.out.println("速度："+speed+"KM/H");}	public void setspeed(int speed)//建立速度{this.speed=speed;}public void speedUp(int x)//加速{speed+=x;}public void speedDown(int x)//减速{speed-=x;}
}public class xiti2
{public static void main(String[] args){Vehicle jeep=new Vehicle();jeep.setspeed(100);jeep.setspeed(5);jeep.move();}
}