Make sure to include: #include <cassert> Create two classes: Item class private

Question

• Item class
• • private member m_name - string
  • private member m_price - float
  • public function Setup
  • • Does not return any values
    • Takes two parameters
    • • const string-reference "name"
      • float "price"
    • Setup function assigns values to m_name and m_price
  • public function GetPrice() - returns a float (m_price)
  • public function GetName() - returns a string (m_name)

• Menu class
• • private member m_menuItems - array of 5 Items (the class you created)
  • public constructor Menu() - initializes menu items
  • • 0: Pizza, 9.99
    • 1: Hamburger, 4.99
    • 2: Chicken Sandwich, 5.99
    • 3: French Fries, 0.99
    • 4: Salad, 2.99
  • public function PrintMenu()
  • • Returns nothing
    • No parameters
    • Outputs each item on the menu, including the index of that element, the name, and the price.
  • public function GetFood(...)
  • • Returns a pointer to an Item
    • One parameter: index (integer)
    • use an assert to validate that the index is O.K.:
    • • assert( index >= 0 && index < 5 );
    • return the address to the menu item at that index

Explanation / Answer

#include <iostream>

#include <cassert>

#include <string>

#include <assert.h>

using namespace std;

class item

{

string m_name;

float m_price;

public:

void Setup(const string& name,float price)

{

m_name=name;

m_price=price;

}

string getName()

{

return m_name;

}

float getPrice()

{

return m_price;

}

};

class Menu {

item m_menuItems[5];

public:

Menu()

{

m_menuItems[0].Setup("Pizza", 9.99);

m_menuItems[1].Setup("Hamburger", 4.99);

m_menuItems[2].Setup("Chicken Sandwich", 5.99);

m_menuItems[3].Setup("French Fries", 0.99);

m_menuItems[4].Setup("Salad", 2.99);

}

void PrintMenu()

{

for (int i=0; i<5; i++) {

cout << "Index " <<i+1 << " name " <<m_menuItems[1].getName() << " price " << m_menuItems[i].getPrice()<<endl;

}

}

item& getFood(int index)

{

assert( index >= 0 && index < 5 );

return m_menuItems[index];

}

};

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