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problem in classes

Reema Alqerm (29)
this is the question

Write two classes
Class RestaurantMenu that has the following members

class RestaurantMenu
{
double price[10];
string Menu[10];
int numMeals;
public:
RestaurantMenu();
void AddToMenu(string s, double d);
void DeleteFromMenu(string s);
void ShowMenu();
double FindMeal(string s);
};

The Constructor: will fill the price array with zeros and fill the Menu array with empty strings and make the numMeals equal zero.
Put the following in the object by default (Mansaf , 2.7) (Burger, 1.50) (Falafel , 0.5)
AddToMenu this function will add a new item to the menu Ex. AddToMenu(“Salad”, 0.30).
DeleteFromMenu function will delete an item from the menu by finding the Meal name and making it empty string and the price equal to zero and decrementing the numMeals. If the Meal name is not found print any message.
ShowMenu function wil print the menu (Item, Price)
FindMeal function will search the array Menu for the string s and return its price otherwise if it is not found it will return return -1



Class RestaurantOrder that has the following members

class RestaurantOrder
{
double Bill[10];
string order[10];
public:
RestaurantOrder();
~RestaurantOrder();
void AddToOrder(RestaurantMenu obj, string s);
void DeleteFromOrder(string s);
double CalculateBill();
};

The constructor: will fill the array Bill with zeros and the array order with empty strings
The Destructor will print a Good Bye
AddToOrder function will search for the string s in the Menu object (obj) to find its price and add the string and the price to the order
DeleteFromOrder function will search for the string s in the order object to delete it by making its Bill equal zero and its name equal empty string
CalculateBill function will return the summation of the Bill

and this is my work and the problem insid the code :
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#include <iostream>
#include <string>
using namespace std;
class RestaurantMenu
{
		double price[10];
		string Menu[10];
		int numMeals;
	public:
		RestaurantMenu();
		void AddToMenu(string s, double d);
		void DeleteFromMenu(string s);
		void ShowMenu();
		double FindMeal(string s);
};
	RestaurantMenu ::RestaurantMenu()
	{
		for(int i=0;i<10;i++)
		{
			price[i]=0;
		}
		for(int i=0;i<10;i++)
		{
			Menu[i]="";
		}
		numMeals=0;

		Menu[0]="Mansaf";
		Menu[1]="Burger";
		Menu[2]="Falafel";

		price[0]=2.7;
		price[1]=1.50;
		price[2]=0.5;




	};
	
	void RestaurantMenu ::AddToMenu(string s ,double d)
		{
			for(int i=3;i<10;i++)
			{
				Menu[i]=s;
				price[i]=d;
				numMeals++;
			}

		};
	void RestaurantMenu ::DeleteFromMenu(string s)
	{
		for(int i = 0; i <10; i++)
		{
			if(s == Menu[i])
			{
				Menu[i] = "";
				price[i] = 0.0;
				numMeals--;

			}
			else 
				cout<<"This Meal Is Not Here"<<endl;
		}
	
	
	};
	void RestaurantMenu ::ShowMenu()
	{
		cout<<"Menu"<<"  "<<"Price"<<endl;
		for ( int i=0;i<10;i++)
			cout<<"("<<Menu[i]<<" , "<<price[i]<<")"<<endl;
	
	
	};
	double RestaurantMenu ::FindMeal(string s)
	{
		for (int i=0;i<10;i++)
		{
			if (s == Menu[i])
				return price[i];
			else 
				return -1;
		}	
	};


//--------------------------------------------------------------------------------
class RestaurantOrder
{
		double Bill[10];
		string order[10];
	public:
		RestaurantOrder();
		~RestaurantOrder();
		void AddToOrder(RestaurantMenu obj, string s);
		void DeleteFromOrder(string s);
		double CalculateBill();
};
	RestaurantOrder ::RestaurantOrder()
		{
			for(int i=0;i<10;i++)
			{
				Bill[i]=0;
			}
			for(int i=0;i<10;i++)
			{
				order[i]="";
			}
			;



		};
	RestaurantOrder ::~RestaurantOrder()
	{
		cout<<"Good Bye"<<endl;		
	
	
	};
	void RestaurantOrder ::AddToOrder(RestaurantMenu obj, string s)
	{
		/*my problem is how could i search for the string s in the Menu object and find its price and add the string and the price to the order i try this way but it dosent work ?!!*/
                double a;
		a=obj.FindMeal(s);
				
		for(int i=0;i<10;i++)
		{

			if(order[i] == a)
			{	
				order[i] = a;
				break;
			}
			else 
				continue;
		
		}
		cout<<"the meal is :"<<" "<<s<<"  "<<"and it's price is: "<<a;
		cout<<endl;

	};
	void RestaurantOrder ::DeleteFromOrder(string s)
	{ /* and how could i find the the string s in the order */


	
	
	};
	double RestaurantOrder ::CalculateBill()
	{
		return 1;
	
	
	};
Last edited on
Reema Alqerm (29)
if this web is to help student where is the help then ??!!!!!
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