prereshable.java:
//Anick /** * Produce class inherits from ProductType. * Produce can be marked down. When a regular priced product is * marked down it becomes sale. A sale item marked down becomes clearance and is * also moved to the clearance rack. In other words, a product moves down one level for each * markdown. A clearance item cannot be marked down any further. */ public class Perishable extends ProductType { boolean clearanceBin; public void setClearanceBin(boolean moveToBin) { this.clearanceBin = moveToBin; } public boolean getClearanceBin() { return this.clearanceBin; } public static void main(String[] args) { // add testing code here } }-------------------------------------------------------------
Product.java:
//Anick /** * Defines product by bar code, item name, and product type */ public class Product { private String code; // bar code private String item; // name of the item private ProductType type; // produce or canned /** * 3-arg constructor */ public Product(String c, String i, ProductType t) { this.code = c; this.item = i; this.type = t; } // mutator method public void setType(ProductType t) { this.type = t; } // accessor methods public String getCode() { return this.code; } public String getItem() { return this.item; } public ProductType getProductType() { return this.type; } public static void main(String[] args) { // Some testing code to get you started Perishable per= new Perishable("Sale", false); Product oranges = new Product(" XXXXXXXXXX", "Oranges", per); System.out.println(oranges); System.out.println(oranges.getProductType().markDown()); System.out.println(oranges); } }----------------------------------------------------------
ProductType.java
/** Abstract superclass that represents the product type of a product. * Has one abstract method - markDown - which must be overridden in subclasses. * Defines the pricing instance variable for all products */ //LEAVE THIS FILE UNCHANGED - do not submit public abstract class ProductType { private String pricing; public ProductType(String p){ this.pricing = p; } public String getPricing() { return pricing; } public void setPricing(String p) { this.pricing = p; } public String toString() { return "Product Pricing: " + this.pricing; } /** ABSTRACT must be overridden in concrete subclasses * Returns a boolean indicating if the product is on sale */ public abstract boolean markDown(); }----------------------------------------------------------
ShelfStable.java
//Anick /** * ShelfStable class inherits from ProductType. * Products that are ShelfStable cannot go on sale, nor go on clearance. * Their pricing is always regular. * ShelfStable items can be put on display at the end of an aisle. */ public class ShelfStable extends ProductType { private boolean endDisplay; public boolean isEndDisplay() { return endDisplay; } public void setEndDisplay(boolean e) { this.endDisplay = e; } /** A shelf stable product cannot be marked down */ public boolean markDown() { return false; } public static void main(String[] args) { // add testing code here } }----------------------------------------------------------
Store.java
//Anick import java.util.ArrayList; /** * This class maintains a 'database' of faculty members in an ArrayList instance * variable for a department in a college. It provides functionality for finding * a faculty member in the department by id, adding new faculty, removing faculty, * and creating lists of faculty by type (tenure-track: all, with tenure, without * tenure, instructor: all, union members, non-union). */ public class Store { private String name; private ArrayList products; // products sold at the store public Store(String n) { this.name = n; this.products = new ArrayList(); } // accessor method for name instance variable public String getName(){ return this.name; } /** accessor method for products instance variable that returns the list of products sold as an array (for use in GUI interface) */ public Product[] getProducts(){ return this.products.toArray(new Product[this.products.size()]); } /** Returns a string description of each product sold at the store, * including their bar code, name, and clearanceBin or endDisplay status, depending on * product type */ public String toString() { String result = ""; for (Product prod : this.products) result += prod + "\n"; // one line per product return result; } public static void main(String[] args) { // some code to get you started Store store = new Store("Mr. Hooper's"); store.add(new Product(" XXXXXXXXXX", "Spagetti", new ShelfStable(true))); store.add(new Product(" XXXXXXXXXX", "Milk", new Perishable("Regular", false))); System.out.println(store); } }