Airport system, Tester class

package Tester;

import AirportPkg.Airport;

public class Tester {

    public static void main(String[] args) {
        try {
            // create and open an airport
            Airport myAirport = new Airport();

            // wait for 100 ms
            Thread.sleep(1000);

            // close the airport
            myAirport.close();
        } catch (InterruptedException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
}