Task Online Shopping System Using classes and arrays, the team will develop a set of functions for an online shopping system. The system is represented by the following structure 1- Class Item having the following private attributes: (ID, name, quantity, price) and the following public methods: - Constructors (default, parameterized, and copy) - Setters & Getters - Operator overloading for the ==, +=,-=, >> and << operators Note that the ID member variable is not entered or read from the user. It is automatically set by the class as a serial ID starting with the first item of ID 1 and incrementing with every new object. 2- Class Seller having the following private attributes: (name, email, items,maxItems), where items is a dynamic array of objects of type Item with the size maxItems. The class has the following public methods: - Constructor (parameterized) - Operator overloading for the insertion << operators - Add An Item. - This will take an Item object as a parameter: - If the item already exists in the seller's items you will increase the item’s quantity by the quantity of the parameter item using the (+=) in Item class, and the price of the parameter object will be ignored. Use the == operator for this where an item is equal to another if they have the same name. - Else you will add it to the seller’s items. - The member function should return a boolean that indicates the successful addition of item, which will succeed if there is a place in the array and fail otherwise. - Sell An Item. - This will take an item name and a quantity as parameters - If the quantity is <= item’s quantity you will decrease it from item Using the (-=) in Item class. - Else you will print him “There is only {quantity} left for this item”. - The member function should return a boolean which is true if the item was found, false otherwise. - Print Items. - This will print all the item information for the seller. - You will print each item using the (<<) operator. - Find an Item by ID - This returns an Item object (or a pointer to Item) with the specified ID if there is an item with such ID. - Destructor 3- In the main function, ● First you’ll ask the seller to input his details. ● Then you’ll ask him for his store capacity (maxNumberOfItems). ● Then you will show him a menu to choose from which have the following options: 1. Print My Info. a. This will print the seller info using the (<<) operator in Seller class. 2. Add An Item. 3. Sell An Item. 4. Print Items. 5. Find an Item by ID 6. Exit

Task Online Shopping System Using classes and arrays, the team will develop a set of functions for an online shopping system. The system is represented by the following structure 1- Class Item having the following private attributes: (ID, name, quantity, price) and the following public methods: - Constructors (default, parameterized, and copy) - Setters & Getters - Operator overloading for the ==, +=,-=, >> and << operators Note that the ID member variable is not entered or read from the user. It is automatically set by the class as a serial ID starting with the first item of ID 1 and incrementing with every new object. 2- Class Seller having the following private attributes: (name, email, items,maxItems), where items is a dynamic array of objects of type Item with the size maxItems. The class has the following public methods: - Constructor (parameterized) - Operator overloading for the insertion << operators - Add An Item. - This will take an Item object as a parameter: - If the item already exists in the seller's items you will increase the item’s quantity by the quantity of the parameter item using the (+=) in Item class, and the price of the parameter object will be ignored. Use the == operator for this where an item is equal to another if they have the same name. - Else you will add it to the seller’s items. - The member function should return a boolean that indicates the successful addition of item, which will succeed if there is a place in the array and fail otherwise. - Sell An Item. - This will take an item name and a quantity as parameters - If the quantity is <= item’s quantity you will decrease it from item Using the (-=) in Item class. - Else you will print him “There is only {quantity} left for this item”. - The member function should return a boolean which is true if the item was found, false otherwise. - Print Items. - This will print all the item information for the seller. - You will print each item using the (<<) operator. - Find an Item by ID - This returns an Item object (or a pointer to Item) with the specified ID if there is an item with such ID. - Destructor 3- In the main function, ● First you’ll ask the seller to input his details. ● Then you’ll ask him for his store capacity (maxNumberOfItems). ● Then you will show him a menu to choose from which have the following options: 1. Print My Info. a. This will print the seller info using the (<<) operator in Seller class. 2. Add An Item. 3. Sell An Item. 4. Print Items. 5. Find an Item by ID 6. Exit

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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Task
Online Shopping System
Using classes and arrays, the team will develop a set of functions for an online
shopping system. The system is represented by the following structure

1- Class Item having the following private attributes: (ID, name, quantity, price) and
the following public methods:
- Constructors (default, parameterized, and copy)
- Setters & Getters
- Operator overloading for the ==, +=,-=, >> and << operators
Note that the ID member variable is not entered or read from the user. It is
automatically set by the class as a serial ID starting with the first item of ID 1 and
incrementing with every new object.
2- Class Seller having the following private attributes: (name, email, items,maxItems),
where items is a dynamic array of objects of type Item with the size maxItems. The
class has the following public methods:
- Constructor (parameterized)
- Operator overloading for the insertion << operators
- Add An Item.
- This will take an Item object as a parameter:
- If the item already exists in the seller's items you will increase the item’s
quantity by the quantity of the parameter item using the (+=) in Item class,
and the price of the parameter object will be ignored. Use the == operator
for this where an item is equal to another if they have the same name.
- Else you will add it to the seller’s items.
- The member function should return a boolean that indicates the successful
addition of item, which will succeed if there is a place in the array and fail
otherwise.

- Sell An Item.
- This will take an item name and a quantity as parameters
- If the quantity is <= item’s quantity you will decrease it from item Using
the (-=) in Item class.
- Else you will print him “There is only {quantity} left for this item”.
- The member function should return a boolean which is true if the item was
found, false otherwise.
- Print Items.
- This will print all the item information for the seller.
- You will print each item using the (<<) operator.

- Find an Item by ID
- This returns an Item object (or a pointer to Item) with the specified ID if
there is an item with such ID.
- Destructor
3- In the main function,
● First you’ll ask the seller to input his details.
● Then you’ll ask him for his store capacity (maxNumberOfItems).
● Then you will show him a menu to choose from which have the following
options:
1. Print My Info.
a. This will print the seller info using the (<<) operator in Seller class.
2. Add An Item.
3. Sell An Item.
4. Print Items.
5. Find an Item by ID
6. Exit

14 - C++ - OOP - Operator X
Content
Bb 4794307
9 SCS213-Assignment 2-0OP x
* Settings - Passwords
b Password Reset | bartleby
O File | C:/Users/hanyo/Downloads/SCS213-Assignment%202-0OP(3).pdf
H
Find an Item by ID
This returns an Item object (or a pointer to Item) with the specified ID if
there is an item with such ID.
Destructor
3- In the main function,
First you'll ask the seller to input his details.
Then you'll ask him for his store capacity (maxNumberOfltems).
Then you will show him a menu to choose from which have the following
options:
1. Print My Info.
a. This will print the seller info using the (<<) operator in Seller class.
2. Add An Item.
3. Sell An Item.
4. Print Items.
5. Find an Item by ID
6. Exit
Writing Good Quality Code
No program stays the same. It will need to change to fix bugs, add new features, etc.
So,
It is very important to write high quality readable code, so that you or other developers
can be able to review and modify this code in the future. In this task, you
will:
am saving who the author is the nurnose of the
Add a header to vour
11:17 PM
IA
ENG
令)
12/5/2021
...

14 - C++ - OOP - Operator X
Content
Bb 4794307
9 SCS213-Assignment 2-0OP x
O Settings - Passwords
b Password Reset | bartleby
O File | C:/Users/hanyo/Downloads/SCS213-Assignment%202-0OP(3).pdf
H
1- Class Item having the following private attributes: (ID, name, quantity, price) and
the following public methods:
Constructors (default, parameterized, and copy)
Setters & Getters
Operator overloading for the ==, +=,-=,>> and << operators
Note that the ID member variable is not entered or read from the user. It is
automatically set by the class as a serial ID starting with the first item of ID 1 and
incrementing with every new object.
2- Class Seller having the following private attributes: (name, email, items,maxItems),
where items is a dynamic array of objects of type Item with the size maxItems. The
class has the following public methods:
Constructor (parameterized)
Operator overloading for the insertion << operators
Add An Item.
- This will take an Item object as a parameter:
- If the item already exists in the seller's items you will increase the item's
quantity by the quantity of the parameter item using the (+=) in Item class,
and the price of the parameter object will be ignored. Use the == operator
for this where an item is equal to another if they have the same name.
Else you will add it to the seller's items.
The member function should return a boolean that indicates the successful
addition of item, which will succeed if there is a place in the array and fail
otherwise.
Sell An Item.
- This will take an item name and a quantity as parameters
- If the quantity is <= item's quantity you will decrease it from item Using
the (-=) in Item class.
- Else you will print him “There is only {quantity} left for this item".
The member function should return a boolean which is true if the item was
found, false otherwise.
Print Items.
This will print all the item information for the seller.
You will print each item using the (<<) operator.
11:17 PM
IA
ENG
12/5/2021
...

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