Inherited constructors with parameters

I am trying to use inheritance and would like the derived class (employee) to be created using the base class (person) constructor which has parameters. This doesn't complie and I get error C2661: 'employee::employee' : no overloaded function takes 2 parameters Error executing cl.exe. If I use the default constructor then other member functions from the base class behave as I would expect (print). Are constructors a special case, or have I missed something ?:confused:

Code:

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//person.h
#include <string>
using namespace std;

class person 
{
public:
        person();        //default constructor
        person(string n, int a);
        ~person();

        void set_name(string n);
        void have_birthday();
        void print();

private:
        int age;
        string name;
};

class employee : public person
{
public:               
        ~employee();
        void set_employee_number(int e);
        int get_employee_number();

private:
        int employee_number;

};

//person.cpp
#include <iostream>
#include "person.h"

//person


person::person()
:name("No Name"),age(0)
{
        cout << "person default constructor" << endl;
}

person::person(string n, int a)
:name(n),age(a)
{
        cout << "person constructor: " << name << endl;
}

person::~person()
{

        cout << "person destructor:" << name << endl;
}


void person::set_name(string n)
{
        cout << name << " changed to " << n << endl;
        name = n;

}

void person::have_birthday()
{
        cout << "Happy Birthday " << name << endl;
        age++;
}

void person::print()
{
        cout << name << " is " << age << endl;
}

//employee


employee::~employee()
{
        cout << "Employee destructor" << endl;

}


void employee::set_employee_number(int e)
{
        employee_number = e;
}
       
int employee::get_employee_number()
{
        return(employee_number);       
}

       
//test.cpp
#include <iostream>
#include <string>

using namespace std;

#include "person.h"

int main()
{


        person me;
        //me.print();
        me.set_name("Dave");
        me.have_birthday();
        me.print();
       
        person you("Karen",28);       
        you.have_birthday();
        you.print();

        //employee worker;
        //worker.set_name("Worker");
        employee worker("Worker",30);  //no overloaded function takes 2 parameters
        worker.print();
        worker.set_employee_number(123);
        cout << "Employee Number" << worker.get_employee_number() << endl;

        return 0;
}

---

Code:

---

class A
{
    int m_n;
public:
    A(int n) : m_n(n) {}
};//A

class B : public A
{
    int m_b;
public:
    // B constructor must initialize A
    B(int b) : A(b) {}
};//B

int main()
{
    B b(3);

    return 0;
}//main

---

gg

Many thanks
:)

Quote:

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Originally posted by dave74

Code:

---

//person.h
#include <string>
using namespace std;

class person 
{
public:

            person(string n = "No Name", int a=0);
        //This should also take care of it, and you won't have to create a subclass...
        ~person();

        void set_name(string n);
        void have_birthday();
        void print();

private:
        int age;
        string name;
};


//person.cpp
#include <iostream>
#include "person.h"

//person


person::person(string n, int a)
:name(n),age(a)

{
        cout << "person constructor: " << name << endl;
}

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