c++ class issue

k1ll3r_x · 09-25-2006, 07:26 PM

ok, im taking a c++ class in college and i've always had trouble with classes, so far, i kind of understood it good to the point that i got my code going, but when i compile it, something happens, i dunno why, im using that visual c++ since im at home and using my pc not my laptop

cus they stole it.
If someone could help me out with this id really appreciate, it could be the headings but i dunno.
here are the class, .h file and the test driver

Invoice.h

Code:

#include <iostream>
#include <string>
using std::string;
class Invoice
{
	
public:

Invoice(string, string, int, int)

void setPartNumber(string);
string getPartNumber();

void setPartDes(string);
string getPartDesc();

void setQuantity(int);
int getQuantity;

void setPrice(int);
int getPrice();

int getInvoiceAmount();

private:

	string PartNumber;
	string PartDesc;
	int Quantity;
	int Price;
};

Invoice.cpp

Code:

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

#include "invoice.h"


Invoice :: Invoice(string part_number, string part_desc, int q, int p)
{
	setPartNumber(part_number);
	setPartDesc(part_desc);
	setQuantity(q);
	setPrice(p);
}



void Invoice :: setPartNumber(string part_number)
{
	PartNumber = part_number;
}

string Invoice :: getPartNumber()
{
	return PartNumber;
}



void Invoice :: setPartDesc(string part_desc)
{
	PartDesc = part_desc;
}

string Invoice :: getPartDesc()
{
	return PartDesc;
}


void Invoice :: setQuantity(int q)
{
	Quantity = q;
}
int Invoice :: getQuantity()
{
	return Quantity;
}


void Invoice :: setPrice(int p)
{
	Price = p;
}
int Invoice :: getPrice()
{
	return p;
}

int Invoice :: getInvoiceAmount()
{
	return (Quantitie * Price);
}

test_invoice.cpp

Code:

#include <iostream>
using std::cout;
using std::endl;
#include "invoice.h"

int main()
{
	Invoice MyInvoice1("Device 1", "Dell Laptop", 5, 877);
	Invoice MyInvoice2("Device 2", "apple ipod", 7, 432);

	cout << "The total price of my first Invoice is: $"<< myInvoice1.getInvoiceAmount() << endl;
	cout << "The total price of my second Invoice is: $"<< myInvoice2.getInvoiceAmount() << endl;

	return 0;
}

Well if someone could help me out, id really appreciate. thanx

pankaj99 · 09-25-2006, 09:49 PM

you are missing a ';' at the end of declaration of Invoice in Invoice.h.
change it to:
Invoice(string, string, int, int);

pankaj99 · 09-25-2006, 09:51 PM

next time, please post what is the exact problem you are facing
or the output of the compiler error messages.

k1ll3r_x · 09-25-2006, 10:27 PM

I changed it and this is my compiler output, im sorry i hadnt put that before, also you should know its better to put both posts in one. Its easier to read and time saving.

Code:

1>------ Build started: Project: Project, Configuration: Debug Win32 ------
1>Compiling...
1>invoice_test.cpp
1>.\invoice_test.cpp(11) : error C2065: 'myInvoice1' : undeclared identifier
1>.\invoice_test.cpp(11) : error C2228: left of '.getInvoiceAmount' must have class/struct/union
1>        type is ''unknown-type''
1>.\invoice_test.cpp(12) : error C2065: 'myInvoice2' : undeclared identifier
1>.\invoice_test.cpp(12) : error C2228: left of '.getInvoiceAmount' must have class/struct/union
1>        type is ''unknown-type''
1>Invoice.cpp
1>.\Invoice.cpp(11) : error C3861: 'setPartDesc': identifier not found
1>.\Invoice.cpp(30) : error C2039: 'setPartDesc' : is not a member of 'Invoice'
1>        c:\documents and settings\hp_owner\my documents\visual studio 2005\projects\project\project\invoice.h(5) : see declaration of 'Invoice'
1>.\Invoice.cpp(31) : error C2365: 'setPartDesc' : redefinition; previous definition was 'formerly unknown identifier'
1>.\Invoice.cpp(32) : error C2065: 'PartDesc' : undeclared identifier
1>.\Invoice.cpp(46) : error C2063: 'Invoice::getQuantity' : not a function
1>.\Invoice.cpp(57) : error C2065: 'p' : undeclared identifier
1>.\Invoice.cpp(62) : error C2065: 'Quantitie' : undeclared identifier
1>Generating Code...
1>Build log was saved at "file://c:\Documents and Settings\HP_Owner\My Documents\Visual Studio 2005\Projects\Project\Project\Debug\BuildLog.htm"
1>Project - 11 error(s), 0 warning(s)
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========

also if anyone is as a guest and could help me but is not registered, please add me to k1ll3r_x@hotmail.com, id really appreciate the help.

pankaj99 · 09-25-2006, 11:04 PM

Put in some effort to debug the code yourself.
It took me 2 min to correct it.
Below is the code with all files put into one.

Code:

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



class Invoice
{
	
public:

Invoice(string, string, int, int);

void setPartNumber(string);
string getPartNumber();

void setPartDesc(string);
string getPartDesc();

void setQuantity(int);
int getQuantity();

void setPrice(int);
int getPrice();

int getInvoiceAmount();

private:

	string PartNumber;
	string PartDesc;
	int Quantity;
	int Price;
};





Invoice :: Invoice(string part_number, string part_desc, int q, int p)
{
	setPartNumber(part_number);
	setPartDesc(part_desc);
	setQuantity(q);
	setPrice(p);
}



void Invoice :: setPartNumber(string part_number)
{
	PartNumber = part_number;
}

string Invoice :: getPartNumber()
{
	return PartNumber;
}



void Invoice :: setPartDesc(string part_desc)
{
	PartDesc = part_desc;
}

string Invoice :: getPartDesc()
{
	return PartDesc;
}


void Invoice :: setQuantity(int q)
{
	Quantity = q;
}
int Invoice :: getQuantity()
{
	return Quantity;
}


void Invoice :: setPrice(int p)
{
	Price = p;
}
int Invoice :: getPrice()
{
	return Price;
}

int Invoice :: getInvoiceAmount()
{
	return (Quantity * Price);
}

int main()
{
	Invoice MyInvoice1("Device 1", "Dell Laptop", 5, 877);
	Invoice MyInvoice2("Device 2", "apple ipod", 7, 432);

	cout << "The total price of my first Invoice is: $"<< MyInvoice1.getInvoiceAmount() << endl;
	cout << "The total price of my second Invoice is: $"<< MyInvoice2.getInvoiceAmount() << endl;

	return 0;
}