For C++
This is the information about the meal class
Sreenshot
Program
Meal.h
#include<iostream>
#include<string>
using namespace std;
//Create a class Meal
class Meal {
//Member variables
protected:
string name;
string type;
int cost;
string mealID;
static int mealCounter;
//Member functions
public:
//Default constructor
Meal();
//Parameterized constructor
Meal(string n, string t, int c);
//Setters
void set_name(string n);
void set_type(string t);
void set_cost(int c);
//Getters
string get_name();
string get_type();
string get_mealID();
virtual int get_cost()=0;
};
Meal.cpp
//Implementation of meal class
#include "Meal.h"
//Default constructor
Meal::Meal() {
name = type = mealID = "";
cost = 0;
mealCounter++;
}
//Parameterized constructor
Meal::Meal(string n, string t, int c) {
name = n;
type = t;
cost = c;
mealID = type + to_string(mealCounter);
mealCounter++;
}
//Setters
void Meal::set_name(string n) {
name = n;
}
void Meal::set_type(string t) {
type = t;
}
void Meal::set_cost(int c) {
cost = c;
}
//Getters
string Meal::get_name() {
return name;
}
string Meal::get_type() {
return type;
}
string Meal::get_mealID() {
return mealID;
}
Dessert.h
#include "Meal.h"
//Create a class Dessert
class Dessert:public Meal {
private:
static int nextID;
public:
//Constructor
Dessert(string n, int c);
int get_cost();
};
Dessert.cpp
//Implementation of dessert
#include "Dessert.h"
int Dessert::nextID = 0;
Dessert::Dessert(string n, int c):Meal(n,"dessert",c) {
nextID++;
}
int Dessert::get_cost() {
if (mealCounter < 1) {
return cost;
}
else {
return mealCounter * cost;
}
}
Mains.h
#include "Meal.h"
class Mains :public Meal {
private:
static int nextID;
int m;
int list[];
void sort();
public:
//Constructor
Mains(string n, int co, int *list, int m);
//search an item
int search(int x);
int get_cost();
};
Mains.cpp
#include "Mains.h"
int Mains::nextID = 500;
//Constructor
Mains::Mains(string n, int co, int *list, int m):Meal(n,"mains",co)
{
nextID++;
this->m = m;
list = new int[m];
for (int i = 0; i < m; i++) {
this->list[i] = list[i];
}
}
void Mains::sort() {
for (int i = 0; i < m; i++) {
for (int j = i + 1; j < m; j++)
{
if (list[i] >
list[j]){
int temp = list[i];
list[i]=list[j];
list[j]=temp;
}
}
}
}
//search an item
int Mains::search(int x) {
sort();
for (int i = 0; i < m; i++) {
if (list[i] == x) {
return i;
}
}
return -1;
}
int Mains::get_cost() {
if (m >= 0 && m <= 2) {
return cost;
}
else {
int t = 0;
for (int i = 0; i < m; i++)
{
t += list[i] *
cost;
}
return t;
}
}
Main.cpp
#include "Meal.h"
#include "Mains.h"
#include "Dessert.h"
int Meal::mealCounter = 0;
int main()
{
//Create a dessert
Dessert d1("Ice cream", 10);
cout << d1.get_cost() << endl;
Dessert d2("Choco Chip Delight", 10);
cout << d2.get_cost() << endl;
int list[] = { 1,2 };
Mains main("Two dessert", 10, list, 2);
cout << main.get_mealID() << ", " <<
main.get_cost() << endl;
return 0;
}
Output
10
20
mains2, 10
Note
Please add your test information and what output are you expecting. It is difficult for me to figure out what you mean by this 3 classes. I hope this is what you expect.
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