CODEWITHSUNDEEP
c++
Tjarmws
Tjarmws

Reputation: 19

Accessing private members of a class

I'm new to classes I created a new class to track different details of an account however I was told that the members of my class should be private and to use a getter and setter function. I have look a lots of examples but I can't seem to figure out how to access the private members from my main program. I want the user to enter the different parameters for the account if I make the members public it works just fine how do I add the getters and setters. the private members of my class and whats in main is the only stuff that I need everything else I was adding to try to make it work but i'm really lost. Im using the vector because once i get it to work i'll write a loop to get the data for multiple accounts but right now i'm just trying to get the input stored

class account

{  public            
       friend void getter(int x);

   private:
       int a;
       char b;
       int c;
       int d;
};

using namespace std;

void  getter (int x)
{

}

int main()
{
  vector <account> data1 (0);
  account temp;

  cin>>temp.a>>temp.b>>temp.c>>temp.d;
  data1.push_back(temp);

  return 0;
}

Upvotes: 0

Views: 637

Answers (2)

Vaughn Cato
Vaughn Cato

Reputation: 64308

Here's an example of get/set methods:

class account

{  public            
       int getA() const { return a; }
       void setA(int new_value) { a = new_value; }
       int getB() const { return b; }
       void setB(int new_value) { b = new_value; }
       int getC() const { return c; }
       void setC(int new_value) { c = new_value; }
       int getD() const { return d; }
       void setD(int new_value) { d = new_value; }

   private:
       int a;
       char b;
       int c;
       int d;
};

From the main you would use:

int main()
{
  vector <account> data1 (0);
  account temp;
  int a,b,c,d;

  cin >> a >> b >> c >> d;
  temp.setA(a);
  temp.setB(b);
  temp.setC(c);
  temp.setD(d);
  data1.push_back(temp);

  return 0;
}

NOTE: Whether having get/set methods in a case like this is a good idea is another issue.

Upvotes: 1

David G
David G

Reputation: 96875

You should have a friend operator overload:

class account
{
    friend std::istream& operator>> (std::istream &, account &);
public:
    // ...
};

std::istream& operator>> (std::istream& is, account& ac)
{
    return is >> ac.a >> ac.b >> ac.c >> ac.d;
}

int main()
{
    account temp;

    std::cin >> temp;
}

Upvotes: 4

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