Models Employee database using inheritance - C++ Class

C++ examples for Class:Inheritance

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Description

Models Employee database using inheritance

Demo Code

#include <iostream>
using namespace std;
const int LEN = 80;                //maximum length of names
class Employee                     //Employee class
{
   private:/*from   www .j  a v a  2s  . co  m*/
   char name[LEN];              //Employee name
   unsigned long number;        //Employee number
   public:
   void getdata()
   {
      cout << "\n   Enter last name: "; cin >> name;
      cout << "   Enter number: ";      cin >> number;
   }
   void putdata() const
   {
      cout << "\n   Name: " << name;
      cout << "\n   Number: " << number;
   }
};
class Manager : public Employee    //management class
{
   private:
   char title[LEN];             //"vice-president" etc.
   double dues;                 //golf club dues
   public:
   void getdata()
   {
      Employee::getdata();
      cout << "   Enter title: ";          cin >> title;
      cout << "   Enter golf club dues: "; cin >> dues;
   }
   void putdata() const
   {
      Employee::putdata();
      cout << "\n   Title: " << title;
      cout << "\n   Golf club dues: " << dues;
   }
};
class Scientist : public Employee  //Scientist class
{
   private:
   int pubs;                    //number of publications
   public:
   void getdata()
   {
      Employee::getdata();
      cout << "   Enter number of pubs: "; cin >> pubs;
   }
   void putdata() const
   {
      Employee::putdata();
      cout << "\n   Number of publications: " << pubs;
   }
};
class Programmer : public Employee    //Programmer class
{
};
int main()
{
    Manager m1, m2;
    Scientist s1;
    Programmer l1;
    cout << endl;           //get data for several Employees
    cout << "\nEnter data for Manager 1";
    m1.getdata();
    cout << "\nEnter data for Manager 2";
    m2.getdata();
    cout << "\nEnter data for Scientist 1";
    s1.getdata();
    cout << "\nEnter data for Programmer 1";
    l1.getdata();
    //display data for several Employees
    cout << "\nData on Manager 1";
    m1.putdata();
    cout << "\nData on Manager 2";
    m2.putdata();
    cout << "\nData on Scientist 1";
    s1.putdata();
    cout << "\nData on Programmer 1";
    l1.putdata();
    cout << endl;
    return 0;
}

Result


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