You are given an interface AdvancedArithmetic which contains a method int divisor_sum(int n). You need to write a class called MyCalculator which implements the given interface. The divisor_sum method takes an integer as input and return the sum of all its divisors. For example divisors of 6 are 1, 2, 3 and 6, s

You are given an interface AdvancedArithmetic which contains a method int divisor_sum(int n). You need to write a class called MyCalculator which implements the given interface. The divisor_sum method takes an integer as input and return the sum of all its divisors. For example divisors of 6 are 1, 2, 3 and 6, s

Microsoft Visual C#

7th Edition

ISBN:9781337102100

Author:Joyce, Farrell.

Publisher:Joyce, Farrell.

Chapter8: Advanced Method Concepts

Section: Chapter Questions

Problem 7E

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Write a class CircularArrayQueue such that all the following methods are implemented: 1. enqueue 2. dequeue 3. first 4. isEmpty 5. size 6. toString
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) Modify the BookStore and BookSearchEngine classes explained in the class to include the following additional methods and test them:a) A method returning the book with the lowest price in the library.b) A method searching the library for Books of a given author and returning an ArrayList of such Books. c) A method returning an ArrayList of Books whose price is less than a given number.
We have an interface called discount strategy, that calculates discounts for a simple parking management software. It has two sub-classes that implement different discount strategies. 1. DUAffilatedFriday discounts - make discounts for DUAffilated car type on Fridays 2. SUVFriday discounts - make discounts for SUV car type on Fridays These two classes check the car type and day of the week and implement a certain discount strategy. 1. Use a factory pattern to reimplement the entire code as-is. 2. Use a main method to test your code NOte - Use java to write your code Code DiscountStrategy.java import java.time.*; interface DiscountStrategy{public String getStrategyName();public double getDiscount(String CarType, LocalDateTime date);} DUAffilatedFridayDiscounts.java import java.time.*; public class DUAffilatedFridayDiscounts implements DiscountStrategy{ // setting default value of discount to 0.0private double discountPercentage = 0.0;private boolean checkDate(LocalDateTime…
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Implement the design of the Purchaser and AarongProducts classes so that the following code generates the output below: #Write your code here p1 = Purchaser('Alex Light') print('1.===============================') print(p1) product1 = AarongProducts('Decor', 'Photo-Frame') print('2.===============================') print(product1) print('3.===============================') print(AarongProducts.products) print('4.===============================') AarongProducts.include_products('Souvenirs',['Brass-Flowervase 2170', 'Terracotta-Vase 3500']) print(f'Updated Item List:\n{AarongProducts.products}') print('5.===============================') product2 = AarongProducts('Souvenirs', 'Terracotta-Vase', 2) print(product2) print('6.===============================') p1.create_invoice(product1, product2) print('7.===============================') product3 = AarongProducts('Decor', 'Candles', 5) print(product3) print('8.===============================') product4 = AarongProducts('Souvenirs', 'Brass…