class Car {

  String licensePlate; // e.g. "New York A456 324"
  double speed;        // kilometers per hour
  double maxSpeed;     // kilometers per hour

  // accelerate to maximum speed
  // put the pedal to the metal
  void floorIt() {
    this.speed = this.maxSpeed;
  }

  void accelerate(double deltaV) {

     this.speed = this.speed + deltaV;
     if (this.speed > this.maxSpeed) {
       this.speed = this.maxSpeed;
     }
     if (this.speed <  0.0) {
       this.speed = 0.0;
     }

  }

}
class CarTest3 {

  public static void main(String args[]) {

    Car c = new Car();

    c.licensePlate = "New York A45 636";
    c.speed = 0.0;
    c.maxSpeed = 123.45;

    System.out.println(c.licensePlate + " is moving at " + c.speed +
     " kilometers per hour.");

    for (int i = 0; i < 15; i++) {
      c.accelerate(10.0);
      System.out.println(c.licensePlate + " is moving at " + c.speed +
       " kilometers per hour.");
    }

  }

}