Answer to Question #43763 in C++ for aisha kapoor

Question

Write a C++ menu driven program for a fruitmall
Attributes- itemno; item name; quantity;priceperunit
Functions-add items() ; display items (); display particular item (item no); modify item (into item no);

Answer 1

#include <iostream>
#include <string>
#include <iomanip> // for nice output
 
using namespace std;
 
// Fruit class
class Fruit {
private:
    stringname;
    int quantity;
    double pricePerUnit;
 
public:
    Fruit() {}
 
    Fruit(string name, int quantity, double pricePerUnit) {
        this->name = name;
        this->quantity = quantity;
        this->pricePerUnit = pricePerUnit;
    }
 
    void setName(string name) {
        this->name = name;
    }
 
    void setQuantity(int quantity) {
        this->quantity = quantity;
    }
 
    void setPricePerUnit(double pricePerUnit) {
        this->pricePerUnit = pricePerUnit;
    }
 
    void print() {
       cout << "| " << setw(10) << left << name << "| " << setw(10) << right << quantity << " | " << fixed << setprecision(2) << setw(10) << pricePerUnit << " |" << endl;
    }
};
 
// amount of Fruit objects
int n = 0;
// array of Fruit objects
Fruit basket[15];
 
// addItems() function
void addItems() {
    int m;
    stringname;
    int quantity;
    double pricePerUnit;
 
    cout << "Enter the number ofitems: ";
    cin >> m;
    n += m;
    for(int i = 0; i < m; i++) {
       cout << "Enter item name: ";
       cin >> name;
       basket[i].setName(name);
 
       cout << "Enter item quantity: ";
       cin >> quantity;
       basket[i].setQuantity(quantity);
 
       cout << "Enter item price per unit: ";
       cin >> pricePerUnit;
       basket[i].setPricePerUnit(pricePerUnit);
    }
}
 
// displayItems() function
void displayItems() {
    cout << "---------------------------------------------" << endl;
    cout << "| No. | " << setw(10) << left << "Name" << "| " << setw(10) << "Quantity" << " | "  << setw(10) << "Price" << " |" << endl;
    cout << "---------------------------------------------" << endl;
 
    for(int i = 0; i < n; i++) {
       cout << "| " << left << setw(4) << i;
       basket[i].print();
       cout << "---------------------------------------------" << endl;
    }
}
 
// displayParticularItem() function
void displayParticularItem()
{
    int no;
    cout << "Enter item no:";
    cin >> no;
    cout << "---------------------------------------------" << endl;
    cout << "| No. | " << setw(10) << left << "Name" << "| " << setw(10) << "Quantity" << " | "  << setw(10) << "Price" << " |" << endl;
    cout << "---------------------------------------------" << endl;
    cout << "| " << left << setw(4) << no;
    basket[no].print();
    cout << "---------------------------------------------" << endl;
}
 
// modifyItem() function
void modifyItem()
{
    int no;
    int choice;
    stringname;
    int quantity;
    double pricePerUnit;
 
    cout << "Enter item no:";
    cin >> no;
    while (choice != 4) {
       cout << "Please select one of the choicesbelow:" << endl;
       cout << "1. Modify name" << endl;
       cout << "2. Modify quantity" << endl;
       cout << "3. Modify price per unit" << endl;
       cout << "4. Quit" << endl;
 
       cin >> choice;
 
        switch(choice) {
           case 1: cout << "Enter item name:";
                    cin >> name;
                    basket[no].setName(name); break;
           case 2: cout << "Enter itemquantity: ";
                    cin >> quantity;
                    basket[no].setQuantity(quantity); break;
           case 3: cout << "Enter item priceper unit: ";
                    cin >> pricePerUnit;
                    basket[no].setQuantity(pricePerUnit); break;
        }
    }
}
 
int main() {
    int choice;
    while (choice != 5) {
        // Menu
        cout << "Please select oneof the choices below:" << endl;
       cout << "1. Add items" << endl;
       cout << "2. Display items" << endl;
       cout << "3. Display particular item" << endl;
       cout << "4. Modify item" << endl;
        cout<< "5. Quit" << endl;
 
       cin >> choice;
 
        switch(choice) {
           case 1: addItems(); break;
           case 2: displayItems(); break;
           case 3: displayParticularItem(); break;
           case 4: modifyItem(); break;
        }
    }
    return 0;
}