Re: dealing with protected data members

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Fri, 26 Oct 2007 08:39:55 GMT
On 2007-10-26 09:30, CuTe_Engineer wrote:


i have problem in dealing with protected data members & array
this is my prog i make it as a project file

my errors are mainly about declaration like :
c:\documents and settings\xppresp3\desktop
\ass2\ass2\gymnasiumimp.cpp(56) : error C2065: 'exercises' :
undeclared identifier

i didn`t understand why its undeclared while it`s a struct data
members and it should be public, but i use it in a class as an
protected array , so how can i declare it now ?

the header files :


#ifndef H_Gymnasium
#define H_Gymnasium

Move the include-guards above other includes.

using namespace std;

Do not use this in header-files, all files that includes your header
will have to live with the effects.

struct activities
    string exercises;
    int time;

class Gymnasium
    activities gymarray[5];
    int gymlength;
    void set(string,int,int);
    void getActivities(string&,int&,int&)const;
    double calories();
    void print();
    Gymnasium(string, int , int);

double Gymnasium:: calories()
   int totalLost,Lostcalories ,i;

   for(i=0 ,i<gymlength , i++)


Like you said, exercises is a member in a struct, that means that you
have to have an instance of that struct to access it:

  activities a;
  a.exercises = "Jump";

As can be seen from the above example, exercises is a string, you can
not multiply a string with an integer.

Erik Wikstr??m

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