public class TrafficQueue {
    private Car [] carArray;
    private int numberOfcarsInQueue;


    public TrafficQueue(int numberOfcarsInQueue){
    carArray = new Car[numberOfcarsInQueue];


    }
    private class Car {} ; // define an empty Car class


    public void add(Car car){
    carArray[numberOfcarsInQueue] = car;
    numberOfcarsInQueue ++;

    }

    public static void main(String[] args) {
            // TODO code application logic here


             TrafficQueue queueLane1 = new TrafficQueue(10);