employ.cpp

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// employ.cpp
// models employee database using inheritance
#include <iostream>
using namespace std;
const int LEN = 80;                //maximum length of names
////////////////////////////////////////////////////////////////
class employee                     //employee class
   {
   private:
      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 laborer : public employee    //laborer class
   {
   };
////////////////////////////////////////////////////////////////
int main()
   {
   manager m1, m2;
   scientist s1;
   laborer 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 laborer 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 laborer 1";
   l1.putdata();
   cout << endl;
   return 0;
   }