1.Accept a command line argument which is the purchase data file in the following format: Here is an example of the data file:Num_purchase(int) symbol (string) price(double) FILE FOR INPUT: TC 30.13 200 CSCO 24.00 50 IBM 130.00 100 AAPL 94.28Define a new C++ “Stock” class that manages a stock price, number of share and stock symbol, must be put in privateStore data from file into vector NUM,SYMBOL,PRICEDISPLAY all data in the following format: Num_purchase, symbol , price, total(total is caculate by mutiply Num-purchase with price).

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Description: 1.Accept a command line argument which is the purchase data file in the following format: Here is an example of the data file:Num_purchase(int) symbol (string) price(double) FILE FOR INPUT: TC 30.13 200 CSCO 24.00 50 IBM

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Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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1.Accept a command line argument which is the purchase data file in the following format: Here is an example of the data file:

Num_purchase(int) symbol (string) price(double)

FILE FOR INPUT:

TC 30.13

200 CSCO 24.00

50 IBM 130.00

100 AAPL 94.28

Define a new C++ “Stock” class that manages a stock price, number of share and stock symbol, must be put in private
Store data from file into vector NUM,SYMBOL,PRICE
DISPLAY all data in the following format: Num_purchase, symbol , price, total(total is caculate by mutiply Num-purchase with price).

Expert Solution

Step 1

The C++ program is

#include<iostream>

#include<fstream>

#include<iomanip>

#include<vector>

#include<string>

using namespace std;

class Stock //create class Stock

{

private:

int number;

string stock_symbol;

double stock_price;

public:

Stock(int num,string symb,double price)

{

number = num;

stock_symbol = symb;

stock_price = price;

}

int getNumber()

{

return number;

}

string getSymbol()

{

return stock_symbol;

}

double getPrice()

{

return stock_price;

}

};

int main(int argc, char* argv[])

{

vector<Stock> mystock; // create vector

if (argc == 2) {

string dataFileName = argv[1];

cout << "Stock data file name: " << dataFileName << endl;

ifstream fin;

fin.open(dataFileName);

if (fin.is_open() == false)

{

cout << "File is not found. Please check the location and the file." << endl;

}

else {

int quantity;

string symbol;

double price ;

fin >> quantity>> symbol>> price ;

while(!fin.eof()&&1){

mystock.push_back(Stock(quantity,symbol,price)); // add data to vector

fin >> quantity>> symbol>> price ;

}

fin.close();

int s = mystock.size();

for (int i=0;i<s;i++)

{

cout << "Num_purchase: " << mystock[i].getNumber() << " Symbol: "<< mystock[i].getSymbol()<< " Price: " << mystock[i].getPrice() <<" Total: "<< mystock[i].getNumber()*mystock[i].getPrice()<<endl ;

}

return 0;

}

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