Answer to Question #204609 in Java | JSP | JSF for Mampheko

Question

n 1 

(Marks: 40) 

Sam runs a local musical equipment store in your neighbourhood. He has contracted you to create 

an interactive application that will assist him with customer purchases. Create a class named 

Customer Purchases that will contain get and set methods for a customer number, first name, 

surname, product, price and quantity. Create a separate class called Printing that will include a 

method called Print Details, that will print the Customer Invoice. In the Printing class include 

another method called Customer Purchase Report which will display the following information: 

REPORT OPTION 

PERCENTAGE

TAX

15%

COMMISSION

8.5%

DISCOUNT

10%

TOTAL

(Price + Tax) – (Discount + Commission) 

In your main class, capture all the customer purchase details required to produce the reports. 

Sample Screenshot 1 

Sample Screenshot 2 

Sample Screenshot 3 

© The Independent Institute of Education (Pty) Ltd 2021 

Answer 1

public class CustomerPurchases {
    private int customerNumber;
    private String firstName;
    private String surname;
    private String product;
    private double price;
    private int quantity;

    public int getCustomerNumber() {
        return customerNumber;
    }

    public void setCustomerNumber(int customerNumber) {
        this.customerNumber = customerNumber;
    }

    public String getFirstName() {
        return firstName;
    }

    public void setFirstName(String firstName) {
        this.firstName = firstName;
    }

    public String getSurname() {
        return surname;
    }

    public void setSurname(String surname) {
        this.surname = surname;
    }

    public String getProduct() {
        return product;
    }

    public void setProduct(String product) {
        this.product = product;
    }

    public double getPrice() {
        return price;
    }

    public void setPrice(double price) {
        this.price = price;
    }

    public int getQuantity() {
        return quantity;
    }

    public void setQuantity(int quantity) {
        this.quantity = quantity;
    }
}

public class Printing {
    public void printDetails(CustomerPurchases customerPurchases) {
        System.out.println("\nCustomer Invoice:");
        System.out.println(customerPurchases.getFirstName() + " "
                + customerPurchases.getSurname() + "(" + customerPurchases.getCustomerNumber() + ")");
        System.out.println(customerPurchases.getProduct() + " " + customerPurchases.getQuantity()
                + " $" + customerPurchases.getPrice());
    }

    public void customerPurchaseReport(CustomerPurchases customerPurchases) {
        System.out.println("\nReport");
        double tax = customerPurchases.getPrice() * 0.15;
        double commission = customerPurchases.getPrice() * 0.085;
        double discount = customerPurchases.getPrice() * 0.1;
        System.out.println("Price " + customerPurchases.getPrice());
        System.out.println("Tax " + tax);
        System.out.println("Commission " + commission);
        System.out.println("Discount " + discount);
        System.out.println("Total " + ((customerPurchases.getPrice() + tax) - (discount + commission)));
    }
}

public class Main {
    public static void main(String[] args) {
        CustomerPurchases customerPurchases = new CustomerPurchases();
        Printing printing = new Printing();
        customerPurchases.setCustomerNumber(1984);
        customerPurchases.setFirstName("George ");
        customerPurchases.setSurname("Orwell");
        customerPurchases.setProduct("Camera");
        customerPurchases.setPrice(100);
        customerPurchases.setQuantity(1000);
        printing.printDetails(customerPurchases);
        printing.customerPurchaseReport(customerPurchases);
    }
}