this is my retail item code://Import statementspublic class RetailItem { private String description; private int units; private double price; public RetailItem() { } public RetailItem(String x, int y, double z) { description = x; units = y; price = z; } public RetailItem(RetailItem i) { } public void setDescription(String x) { description = x; } public void setPrice(double z) { price = z; } void setUnits(int y) { units = y; } public int getUnits() { return units; } public String getDescription() { return description; } public double getPrice() { return price; } // Main class public static void main(String[] args) { String str = "Shirt"; RetailItem r1 = new RetailItem("Jacket", 12, 59.95); RetailItem r2 = new RetailItem("Designer Jeans", 40, 34.95); RetailItem r3 = new RetailItem(); // call the set methods r3.setDescription(str); r3.setUnits(20); r3.setPrice(24.95); // print all statements System.out.println("Item #1\t" + r1.getDescription() + "\t\t" + r1.getUnits() + " \t" + r1.getPrice()); System.out.println("Item #2\t" + r2.getDescription() + "\t" + r2.getUnits() + " \t" + r2.getPrice()); System.out.println("Item #3\t" + r3.getDescription() + "\t\t" + r3.getUnits() + " \t " + r3.getPrice()); System.exit(0); }} Part II CashRegister ClassWrite a CashRegister class that can be used with the RetailItem class that you wrote. The CashRegister class should simulate the sale of a retail item. It should have a constructor that accepts a RetailItem object as an argument. The constructor should also accept an integer that represents the quantity of items being purchased. In addition, the class should have the following methods:The getSubtotal method should return the subtotal of the sale, which is the quantity multiplied by the price. This method must get the price from the RetailItem object that was passed as an argument to the constructor.The getTax method should return the amount of sales tax on the purchase. The sales tax rate is 6 percent of a retail sale.The getTotal method should return the total of the sale, which is the subtotal plus the sales tax.Demonstrate the class in a program that performs the following tasks:- displays the list of items available in the store- prompts the user to enter an item number and reads the value- asks the user for the quantity of items being purchased- displays the sale’s subtotal, amount of sales tax, and total.Save the purchases in an array of type CashRegister.Simulate at least 3 purchases for a day, and save all values in the array defined earlier. Calculate the total number of items purchased for the day, and the total price paid for them.Upload all the JAVA files in a zip file and create a word document with all the screenshots of your running program and upload all these files.

In this programming scenario, tasked with creating a Java program that simulates a retail system.…

this is my retail item code: //Import statements public class RetailItem { private String description; private int units; private double price; public RetailItem() { } public RetailItem(String x, int y, double z) { description = x; units = y; price = z; } public RetailItem(RetailItem i) { } public void setDescription(String x) { description = x; } public void setPrice(double z) { price = z; } void setUnits(int y) { units = y; } public int getUnits() { return units; } public String getDescription() { return description; } public double getPrice() { return price; } // Main class public static void main(String[] args) { String str = "Shirt"; RetailItem r1 = new RetailItem("Jacket", 12, 59.95); RetailItem r2 = new RetailItem("Designer Jeans", 40, 34.95); RetailItem r3 = new RetailItem(); // call the set methods r3.setDescription(str); r3.setUnits(20); r3.setPrice(24.95); // print all statements System.out.println("Item #1\t" + r1.getDescription() + "\t\t" + r1.getUnits() + " \t" + r1.getPrice()); System.out.println("Item #2\t" + r2.getDescription() + "\t" + r2.getUnits() + " \t" + r2.getPrice()); System.out.println("Item #3\t" + r3.getDescription() + "\t\t" + r3.getUnits() + " \t " + r3.getPrice()); System.exit(0); }

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

this is my retail item code:

//Import statements

public class RetailItem {

private String description;

private int units;

private double price;

public RetailItem()

{

}

public RetailItem(String x, int y, double z)

{

description = x;

units = y;

price = z;

}

public RetailItem(RetailItem i) {

}

public void setDescription(String x)

{

description = x;

}

public void setPrice(double z) {

price = z;

}

void setUnits(int y) {

units = y;

}

public int getUnits()

{

return units;

}

public String getDescription()

{

return description;

}

public double getPrice()

{

return price;

}

// Main class

public static void main(String[] args)

{

String str = "Shirt";

RetailItem r1 = new RetailItem("Jacket", 12, 59.95);

RetailItem r2 = new RetailItem("Designer Jeans", 40, 34.95);

RetailItem r3 = new RetailItem();

// call the set methods

r3.setDescription(str);

r3.setUnits(20);

r3.setPrice(24.95);

// print all statements

System.out.println("Item #1\t" + r1.getDescription() + "\t\t" + r1.getUnits() + " \t" + r1.getPrice());

System.out.println("Item #2\t" + r2.getDescription() + "\t" + r2.getUnits() + " \t" + r2.getPrice());

System.out.println("Item #3\t" + r3.getDescription() + "\t\t" + r3.getUnits() + " \t " + r3.getPrice());

System.exit(0);

}

Part II CashRegister Class

Write a CashRegister class that can be used with the RetailItem class that you wrote. The CashRegister class should simulate the sale of a retail item. It should have a constructor that accepts a RetailItem object as an argument. The constructor should also accept an integer that represents the quantity of items being purchased. In addition, the class should have the following methods:

The getSubtotal method should return the subtotal of the sale, which is the quantity multiplied by the price. This method must get the price from the RetailItem object that was passed as an argument to the constructor.

The getTax method should return the amount of sales tax on the purchase. The sales tax rate is 6 percent of a retail sale.

The getTotal method should return the total of the sale, which is the subtotal plus the sales tax.

Demonstrate the class in a program that performs the following tasks:
- displays the list of items available in the store
- prompts the user to enter an item number and reads the value
- asks the user for the quantity of items being purchased
- displays the sale’s subtotal, amount of sales tax, and total.

Save the purchases in an array of type CashRegister.

Simulate at least 3 purchases for a day, and save all values in the array defined earlier. Calculate the total number of items purchased for the day, and the total price paid for them.

Upload all the JAVA files in a zip file and create a word document with all the screenshots of your running program and upload all these files.

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