Class receipt c++

[Scrabers]

Hello can someone help with this please

Write a receipt class.
Class to contain as data members
• The name of the store
• Array of prices of purchased goods, and member functions:

• Constructors

• get () and set () - for prices to work with individual elements of the array

• show () - displays a list of prices, the goods to be named product # 1, product # 2, etc.

• total () - determines the total price of the goods

• remove () - removes a product from the list (according to its index)

• discount () - reduces the price of goods by a certain percentage (the index of the goods in the array and the percentage are submitted as parameters)

• other member functions if desired

In the main function, illustrate how to work with the methods of the receipt class.

 

[John Joe]

Hi,

What have you tried so far?

 

[Scrabers]

Hi,

What have you tried so far?

I only write this but im sure is it correct

class Receipt {
string name;
static const double SIZE {2};
double price [SIZE];
};

 

[John Joe]

Where is your main method?

 

[Scrabers]

Where is your main method?

That is the only think i have, but it's hard for me to call them in main


#include <iostream>
#include <string>
using namespace std;

class Receipt {
private:
string storeName;
double purchasedGoods {2};
double price[purchasedGoods];

public:

Receipt(string storeName, double[] purchasedGoods) {
this->storeName = storeName;
this->purchasedGoods = purchasedGoods;
}

double getpurchasedGood(int i) {
return purchasedGoods;
}

void setpurchasedGood(double price, int i) {
purchasedGoods = price;
}

void show() {

string str = "";
for (int i = 0; i < purchasedGoods.length; i++) {
str += "product #" + i + " " + purchasedGoods + "\n";
}

cout<<str<<endl;
}

double total() {
double total = 0;
for (int i = 0; i < purchasedGoods.length; i++) {
total += purchasedGoods;
}
return total;
}

void remove(int index) {
double[] newList = new double[purchasedGoods.length - 1];
int g = 0;
for (int i = 0; i < purchasedGoods.length; i++) {
g++;
if (!(i == index)) {
newList[g] += purchasedGoods;
} else {
g--;
}
}
}

void discount(int index, int percentage) {
purchasedGoods[index] = purchasedGoods[index] * ((double) percentage / (double) 100);
}


int main(){

Receipt stock ("Sunny Market","bread","olive oil",1.20,2.80);















}

 

[John Joe]

In init main, constructor expect to have 5 parameters, but you only pass two, that is wrong.

Shouldn't it be something like this?

class Receipt {
private:
    string storeName;
    string itemName;
    string secondItemName;
    double price;
    double secondItemPrice;
    double purchasedGoods{2};
    double price[purchasedGoods];

public:
    Receipt(string storeName, string itemName, string secondItemName, double price, double secondItemPrice) { // need to have 5 too
        this->storeName = storeName;
        this->itemName = itemName;
        this->secondItemName = secondItemName;
        this->price = price;
        this->secondItemPrice = secondItemPrice;
    }
};

int main(void) {
    Receipt stock("Sunny Market", "bread", "olive oil", 1.20, 2.80); // 5 parameters
}

Anyway, I not familiar with C++, but found this useful links. I hope it will helped.

Static Data Members in C++

Static Data Members in C - Static data members are class members that are declared using the static keyword. There is only one copy of the static data member in the class, even if there are many class objects. This is because all the objects share the static data member. The static data member...

www.tutorialspoint.com

C++ Constructors

W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more.

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