What compareTo method is used here and does it compare name alphapbetically then by their price.

import java.time.LocalDate; import java.time.ZoneId; import java.util.Date; public class Product implements Comparable { // Shared Properties private String name; private String brand; private String foodGroup; private double price; // Nutrition Facts private double sugar; private double protein; private double sodium; private double calories; // Expiration Date - format mm/dd/yyyy private String expirationDate; // Default Constructor public Product() { this.name = null; this.brand = null; this.foodGroup = null; this.price = 0.0; this.sugar = 0.0; this.protein = 0.0; this.sodium = 0.0; this.calories = 0.0; this.setExpirationDate(calculateExpirationDate()); } // Parameterized Constructor public Product(String name, String brand, String foodGroup, double price, double sugar, double protein, double sodium, double calories) { this.name = name; this.brand = brand; this.foodGroup = foodGroup; this.price = price; this.sugar = sugar; this.protein = protein; this.sodium = sodium; this.calories = calories; this.setExpirationDate(calculateExpirationDate()); } // Copy Constructor public Product(Product productToCopy) { this.name = productToCopy.getName(); this.brand = productToCopy.getBrand(); this.foodGroup = productToCopy.getFoodGroup(); this.price = productToCopy.getPrice(); this.sugar = productToCopy.getSugar(); this.protein = productToCopy.getProtein(); this.sodium = productToCopy.getSodium(); this.calories = productToCopy.getCalories(); this.setExpirationDate(calculateExpirationDate()); } public String toString() { StringBuilder resultStringBuilder = new StringBuilder(); resultStringBuilder.append(this.getName() + " "); resultStringBuilder.append(this.getBrand() + " "); resultStringBuilder.append(this.getPrice() + " "); resultStringBuilder.append(this.getSugar() + " "); resultStringBuilder.append(this.getProtein() + " "); resultStringBuilder.append(this.getSodium() + " "); resultStringBuilder.append(this.getCalories() + " "); resultStringBuilder.append(this.getExpirationDate() + " "); String result = resultStringBuilder.toString(); return result; } @Override public int compareTo(Product other) { int result = 0; if ((this.name).equals(other.name)) { result = 1; } else { result = -1; } return result; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getBrand() { return brand; } public void setBrand(String brand) { this.brand = brand; } public String getFoodGroup() { return foodGroup; } public void setFoodGroup(String foodGroup) { this.foodGroup = foodGroup; } public double getPrice() { return price; } public void setPrice(double price) { this.price = price; } public double getSugar() { return sugar; } public void setSugar(double sugar) { this.sugar = sugar; } public double getProtein() { return protein; } public void setProtein(double protein) { this.protein = protein; } public double getSodium() { return sodium; } public void setSodium(double sodium) { this.sodium = sodium; } public double getCalories() { return calories; } public void setCalories(double calories) { this.calories = calories; } public String getExpirationDate() { return expirationDate; } public void setExpirationDate(String expirationDate) { this.expirationDate = expirationDate; } public String calculateExpirationDate() { Date today = new Date(); LocalDate localDate = today.toInstant().atZone(ZoneId.systemDefault()) .toLocalDate(); int year = localDate.getYear(); int month = localDate.getMonthValue(); int day = localDate.getDayOfMonth(); // For Drinks, add 9 months if (this.getClass().getSimpleName().equals("Drink")) month += 9; // For Chips, add 3 months if (this.getClass().getSimpleName().equals("Chips")) month += 3; // For Candy, add 6 months if (this.getClass().getSimpleName().equals("Candy")) month += 6; // For Gum, add 1 year if (this.getClass().getSimpleName().equals("Drink")) year += 1; String expDate = month + "/" + day + "/" + year; return expDate; } }

/**** Snack.java ***/

package learning;

public class Snack extends Product { private String productType = "snack"; private boolean isSnack = true; public Snack() { super(); } public static void main(String[] args) { Product p1 = new Product("Drink 1", "power-c", "Vitamin Water", 0.99, 12.32, 23, 34, 3); System.out.println(p1); Product p2 = new Product("Drink 2", "vital-t", "Vitamin water", 0.99, 12.32, 23, 34, 3); System.out.println(p2); System.out.println("p1.compareTo(p2) : " + p1.compareTo(p2)); System.out.println("p2.compareTo(p2) : " + p2.compareTo(p2)); Snack s1 = new Snack(p1); Snack s2 = new Snack(p2); System.out.println("s1.compareTo(s2) : " + s1.compareTo(s2)); System.out.println("s2.compareTo(s2) : " + s2.compareTo(s2)); } public String getProductType() { return productType; } public boolean isSnack() { return isSnack; } public Snack(String name, String brand, String foodGroup, double price, double sugar, double protein, double sodium, double calories) { super(name, brand, foodGroup, price, sugar, protein, sodium, calories); } // Copy Constructor public Snack(Product productToCopy) { super(); this.setName(productToCopy.getName()); this.setBrand(productToCopy.getBrand()); this.setFoodGroup(productToCopy.getFoodGroup()); this.setPrice(productToCopy.getPrice()); this.setSugar(productToCopy.getSugar()); this.setProtein(productToCopy.getProtein()); this.setSodium(productToCopy.getSodium()); this.setExpirationDate(productToCopy.getExpirationDate()); } @Override public String toString() { StringBuilder resultStringBuilder = new StringBuilder(); resultStringBuilder.append(this.getName() + " "); resultStringBuilder.append(this.getBrand() + " "); resultStringBuilder.append(this.getPrice() + " "); resultStringBuilder.append(this.getSugar() + " "); resultStringBuilder.append(this.getProtein() + " "); resultStringBuilder.append(this.getSodium() + " "); resultStringBuilder.append(this.getCalories() + " "); resultStringBuilder.append(this.getExpirationDate() + " "); String result = resultStringBuilder.toString(); return result; } @Override public int compareTo(Product product){ if(product instanceof Snack){ int result = (this.getName()).compareTo(product.getName()); if(result ==0 ){ if((this.getPrice()) == (product.getPrice())){ return 0; }else if((this.getPrice()) > (product.getPrice())){ return 1; }else{ return -1; } }else{ return result; } }else{ return super.compareTo(product); } } }

/*** Drink.java***/

package learning;

public class Drink extends Product { private String productType = "drink"; private boolean isDrink = true; public Drink() { // TODO Auto-generated constructor stub super(); } public static void main(String[] args) { Product p1 = new Product("Drink 1", "power-c", "Vitamin Water", 0.99, 12.32, 23, 34, 3); System.out.println(p1); Product p2 = new Product("Drink 2", "vital-t", "Vitamin water", 0.99, 12.32, 23, 34, 3); System.out.println(p2); System.out.println("p1.compareTo(p2) : " + p1.compareTo(p2)); System.out.println("p2.compareTo(p2) : " + p2.compareTo(p2)); Drink d1 = new Drink(p1); Drink d2 = new Drink(p2); System.out.println("d1.compareTo(d2) : " + d1.compareTo(d2)); System.out.println("d2.compareTo(d2) : " + d2.compareTo(d2)); } public String getProductType() { return productType; } public boolean isDrink() { return isDrink; } public Drink(String name, String brand, String foodGroup, double price, double sugar, double protein, double sodium, double calories) { super(name, brand, foodGroup, price, sugar, protein, sodium, calories); } // Copy Constructor public Drink(Product productToCopy) { super(); this.setName(productToCopy.getName()); this.setBrand(productToCopy.getBrand()); this.setFoodGroup(productToCopy.getFoodGroup()); this.setPrice(productToCopy.getPrice()); this.setSugar(productToCopy.getSugar()); this.setProtein(productToCopy.getProtein()); this.setSodium(productToCopy.getSodium()); this.setExpirationDate(productToCopy.getExpirationDate()); } @Override public String toString() { StringBuilder resultStringBuilder = new StringBuilder(); resultStringBuilder.append("Drink: " + " "); resultStringBuilder.append(this.getName() + " "); resultStringBuilder.append(this.getBrand() + " "); resultStringBuilder.append(this.getPrice() + " "); resultStringBuilder.append(this.getSugar() + " "); resultStringBuilder.append(this.getProtein() + " "); resultStringBuilder.append(this.getSodium() + " "); resultStringBuilder.append(this.getCalories() + " "); resultStringBuilder.append(this.getExpirationDate() + " "); String result = resultStringBuilder.toString(); return result; } @Override public int compareTo(Product product){ if(product instanceof Drink){ int result = (this.getName()).compareTo(product.getName()); if(result ==0 ){ if((this.getPrice()) == (product.getPrice())){ return 0; }else if((this.getPrice()) > (product.getPrice())){ return 1; }else{ return -1; } }else{ return result; } }else{ return super.compareTo(product); } } }