public static void main(String args[]) {
Car car_1 = new Car();
Van van_1 = new Van();
car_1.start();
car_1.brake();
van_1.start();
car_1.pressHorn();
van_1.brake();
}
public static void main(String[] args) {
Car c1 = new Car();
Car c2 = new Car();
c1.speed = 10;
c2.brake = -20;
c1.brake = -10;
c2.speed = 20;
c1.stop(99);
// c1.print();
//
// c2.print();
}
