Specifications

Sun Services
Java™ Programming Language Module 7, slide 41 of 44
Copyright 2005 Sun Microsystems, Inc. All Rights Reserved. Sun Services, Revision F
The Flyer Example
public class Airport {
public static void main(String[] args) {
Airport metropolisAirport = new Airport();
Helicopter copter = new Helicopter();
SeaPlane sPlane = new SeaPlane();
metropolisAirport.givePermissionToLand(copter);
metropolisAirport.givePermissionToLand(sPlane);
}
private void givePermissionToLand(Flyer f) {
f.land();
}
}