// polymorphism/Sandwich.java // (c)2021 MindView LLC: see Copyright.txt // We make no guarantees that this code is fit for any purpose. // Visit http://OnJava8.com for more book information. // Order of constructor calls // {java polymorphism.Sandwich} package polymorphism; class Meal { Meal() { System.out.println("Meal()"); } } class Bread { Bread() { System.out.println("Bread()"); } } class Cheese { Cheese() { System.out.println("Cheese()"); } } class Lettuce { Lettuce() { System.out.println("Lettuce()"); } } class Lunch extends Meal { Lunch() { System.out.println("Lunch()"); } } class PortableLunch extends Lunch { PortableLunch() { System.out.println("PortableLunch()"); } } public class Sandwich extends PortableLunch { private Bread b = new Bread(); private Cheese c = new Cheese(); private Lettuce l = new Lettuce(); public Sandwich() { System.out.println("Sandwich()"); } public static void main(String[] args) { new Sandwich(); } } /* Output: Meal() Lunch() PortableLunch() Bread() Cheese() Lettuce() Sandwich() */