public class Car 
{
    	protected int arrivalTime;


    	/**
	 *  Initializes this Car object.
	 *
	 */
    	public Car() { }   // for the sake of subclasses of Car


	/**
	 *  Initializes this Car object from the specified time of the next arrival.
	 *
	 */
    	public Car (int nextArrivalTime)
    	{
        	arrivalTime = nextArrivalTime;
    	} // constructor with int parameter


    	/**
	 *  Determines the arrival time of this Car object.
	 *
	 *  @return the arrival time of this Car object.
	 *
	 */	    
	public int getArrivalTime()
    	{
        	return arrivalTime;
    	} // method getArrivalTime

} // class Car