multiple inheritance with employees and degrees : multiple base classes « Class « C++ Tutorial

1. C++ Tutorial
2. Class
3. multiple base classes

#include <iostream>  
  using namespace std;  
  const int LEN = 80;    

  class student{  
     private:  
        char school[LEN];
        char degree[LEN];
     public:  
        void getedu(){  
           cout << "   Enter name of school or university: ";  
           cin >> school;  
           cout << "   Enter highest degree earned \n";  
           cout << "   (Highschool, Bachelor's, Master's, PhD): ";  
           cin >> degree;  
        }  
        void putedu() const  
        {  
           cout << "\n   School or university: " << school;  
           cout << "\n   Highest degree earned: " << degree;  
        }  
    };  
  class employee{  
     private:  
        char name[LEN];
        unsigned long 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 : private employee, private student {  
     private:  
        char title[LEN];        
        double dues;            
     public:  
        void getdata(){  
           employee::getdata();  
           cout << "   Enter title: ";          cin >> title;  
           cout << "   Enter golf club dues: "; cin >> dues;  
           student::getedu();  
        }  
        void putdata() const  
        {  
           employee::putdata();  
           cout << "\n   Title: " << title;  
           cout << "\n   Golf club dues: " << dues;  
           student::putedu();  
        }  
  };  
  class scientist : private employee, private student {  
     private:  
        int pubs;     
     public:  
        void getdata(){  
           employee::getdata();  
           cout << "   Enter number of pubs: "; cin >> pubs;  
           student::getedu();  
        }  
        void putdata() const  
        {  
           employee::putdata();  
           cout << "\n   Number of publications: " << pubs;  
           student::putedu();  
        }  
  };  
  class laborer : public employee    
    {  
  };  
  int main(){  
     manager m1;  
     scientist s1, s2;  
     laborer l1;  
    
     cout << endl;  
     cout << "\nEnter data for manager 1";    
     m1.getdata();                            
    
     cout << "\nEnter data for scientist 1";  
     s1.getdata();  
    
     cout << "\nEnter data for scientist 2";  
     s2.getdata();  
    
     cout << "\nEnter data for laborer 1";  
     l1.getdata();  
    
     cout << "\nData on manager 1";           
     m1.putdata();                            
    
     cout << "\nData on scientist 1";  
     s1.putdata();  
    
     cout << "\nData on scientist 2";  
     s2.putdata();  
    
     cout << "\nData on laborer 1";  
     l1.putdata();  
     cout << endl;  
     return 0;  
  }