15.18 Ch 7 Warm up: Online shopping cart (C++)
(1) Create three files to submit:
· ItemToPurchase.h - Class declaration
· ItemToPurchase.cpp - Class definition
· main.cpp - main() function
Build the ItemToPurchase class with the following specifications:
· Default constructo
· Public class functions (mutators & accessors)
· SetName() & GetName() (2 pts)
· SetPrice() & GetPrice() (2 pts)
· SetQuantity() & GetQuantity() (2 pts)
· Private data members
· string itemName - Initialized in default constructor to "none"
· int itemPrice - Initialized in default constructor to 0
· int itemQuantity - Initialized in default constructor to 0
(2) In main(), prompt the user for two items and create two objects of the ItemToPurchase class. Before prompting for the second item, call cin.ignore() to allow the user to input a new string. (2 pts)
Ex:
Item 1
Enter the item name:
Chocolate Chips
Enter the item price:
3
Enter the item quantity:
1
Item 2
Enter the item name:
Bottled Wate
Enter the item price:
1
Enter the item quantity:
10
(3) Add the costs of the two items together and output the total cost. (2 pts)
Ex:
TOTAL COST
Chocolate Chips 1 @ $3 = $3
Bottled Water 10 @ $1 = $10
Total: $13
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LAB ACTIVITY
15.18.1: Ch 7 Warm up: Online shopping cart (C++)
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Submission Instructions
Compile command
g++ main.cpp ItemToPurchase.cpp -Wall -o a.out
We will use this command to compile your code
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main.cpp
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ItemToPurchase.h
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Program:
ItemToPurchase.h
#ifndef ITEMPURCHASEH
#define ITEMPURCHASEH
using namespace std;
class Declaration
class ItemToPurchase
{
declare private variables
private:
string itemName;
int itemPrice;
int itemQuantity;
declare public methods
public:
constructo
ItemToPurchase();
methods
void SetName(string name);
string GetName();
void SetPrice(int price);
int GetPrice();
void SetQuantity(int quantity);
int GetQuantity();
};
#endif
ItemToPurchase.cpp
#include
#include "ItemToPurchase.h"
using namespace std;
constructor definition
ItemToPurchase::ItemToPurchase():itemName("none"),itemPrice(0),itemQuantity(0){}
method definitions
void ItemToPurchase::SetName(string name)
{
itemName=name;
}
string ItemToPurchase::GetName()
{
return itemName;
}
void ItemToPurchase::SetPrice(int price)
{
itemPrice=price;
}
int ItemToPurchase::GetPrice()
{
return itemPrice;
}
void ItemToPurchase::SetQuantity(int quantity)
{
itemQuantity=quantity;
}
int ItemToPurchase::GetQuantity()
{
return itemQuantity;
}
main.cpp
#include
#include "ItemToPurchase.h"
using namespace std;
main() function
int main()
{
declare variables
string name;
int price;
int quantity;
create two objects of ItemToPurchase class
ItemToPurchase item1,item2;
get item1 details
cout
"Item 1"
endl;
cout
"Enter the item name: "
endl;
getline(cin,name);
cout
"Enter the item price: "
endl;
cin
price;
cout
"Enter the item price: "
endl;
cin
quantity;
call methods and set variables values
item1.SetName(name);
item1.SetPrice(price);
item1.SetQuantity(quantity);
cin.ignore();
get item2 details
cout
"Item 2"
endl;
cout
"Enter the item name: "
endl;
getline(cin,name);
cout
"Enter the item price: "
endl;
cin
price;
cout
"Enter the item price: "
endl;
cin
quantity;
call methods and set variables values
item2.SetName(name);
item2.SetPrice(price);
item2.SetQuantity(quantity);
cout
"TOTAL COST"
endl;
calculate item1 and item2 COST
int item1_cost=item1.GetQuantity()*item1.GetPrice();
int item2_cost=item2.GetQuantity()*item2.GetPrice();
calculate total cost
int total_cost=item1_cost+item2_cost;
display item1 and item2 details
cout
item1.GetName()
" "
item1.GetQuantity()
" @ $"
item1.GetPrice()
" = "
item1_cost
endl;
cout
item2.GetName()
" "
item2.GetQuantity()
" @ $"
item2.GetPrice()
" = "
item2_cost
endl;
cout
endl
"Total: $"
total_cost;
return 0;
}