class Car {

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

  Car() {
    this.licensePlate = "";
    this.speed  = 0.0;
    this.maxSpeed = 120.0;
  }

  Car(String licensePlate, double speed, double maxSpeed) {
    this.licensePlate = licensePlate;
    this.speed  = speed;
    this.maxSpeed = maxSpeed;
  }

  Car(String licensePlate, double maxSpeed) {

    this.licensePlate = licensePlate;
    this.speed  = 0.0;
    this.maxSpeed = maxSpeed;
  }

  // getter (accessor) methods
  String getLicensePlate() {
    return this.licensePlate;
  }

  double getMaxSpeed() {
    return this.maxSpeed;
  }

  double getSpeed() {
    return this.speed;
  }

  // setter method for the license plate property
  void setLicensePlate(String licensePlate) {
    this.licensePlate = licensePlate;
  }

  // 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 CarTest4 {

  public static void main(String args[]) {

    Car c = new Car("New York A45 636", 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.");
    }

  }

}