public BusStop(int busStopNumber)
    {
        //initialize the bus stop
        busStop = new PriorityQueue<Person>();
        //set the initial priority at stop
        priority = 0;
        //set the bus stop number
        this.busStopNumber = busStopNumber;
        //set minimum passenger
        this.minimumPassenger = Integer.MAX_VALUE;
        //set maximum passenger
        this.maximumPassenger = Integer.MIN_VALUE;
        //set the average number of person on the stop
        averageNumberOfPersons = 0;
        //set the average person wait time
        averagePersonsWaitTime = 0;
    }