Hi, I have two classes in two separate .cpp files. I obtain a string using cin and then I need to use this string in a method in a separate class. If that makes sense..

class HomePage{
static void HsubmitChangeDutyRequests(string)
                          {
                          Duties::submitChangeDutyRequests(string);}
                          }
class Duties{
static void submitChangeDutyRequests(string);
}

This is basically what I have. I get the string from the HomePage class and then I use the method from the Duties class in the HomePage class using the string obtained. Again if that makes sense...
Sorry for the confusing questions..

For each class, you need to have a header file x.h and an implementation file x.cpp.
Include the header file in order to use the class.

For example:

//////////// duties.h /////////////////

#ifndef DUTIES_H_INCLUDED_
#define DUTIES_H_INCLUDED_

#include <string>

class Duties
{
    public: static void submitChangeDutyRequests( const string& ) ;
};

#endif // DUTIES_H_INCLUDED_
//////////// duties.cpp //////////////////

#include "duties.h"

void Duties::submitChangeDutyRequests( const string& requests )
{
   // ...
}
////////// homepage.h /////////////////////

#ifndef HOMEPAGE_H_INCLUDED_
#define HOMEPAGE_H_INCLUDED_

#include <string>

class HomePage
{
    public: static void HsubmitChangeDutyRequests( const string& ) ;
};

#endif // HOMEPAGE_H_INCLUDED_
//////////// homepage.cpp //////////////////

#include "homepage.h"
#include "duties.h"

void HomePage::HsubmitChangeDutyRequests( const string& requests )
{
   Duties::submitChangeDutyRequests( requests ) ;
}
////////////  main.cpp ////////////////////////

#include <iostream>
#include "homepage.h"

int main()
{
    // ...
    std::string request ;
    while( std::cout << "request? " && std::getline( std::cin, request ) )
    {
        // ...
        HomePage::HsubmitChangeDutyRequests(request) ;
        // ...
    }
}

Thanks!!

Hey but what do these parts mean?:

#define HOMEPAGE_H_INCLUDED_

I mean what is the HOMEPAGE_H_INCLUDED_ defined as?

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