Write a C++ program for Container Classes.

#include <iostream.h> 
 #include <conio.h> 
 const int LEN = 80; 
 class doctor 
 { 
       private: 
                    char name[LEN]; 
                    char degree[LEN]; 
       public: 
                    void getedu() 
                     { 
                        cout<<"Enter the Doctor Name : "; 
                        cin>> name; 
                        cout<<"Enter Doctorate Degree : "; 
                        cin>>degree; 
                      } 
                    void showedu() 
                     { 
                        cout<<"\nDoctor Name : "<<name; 
                        cout<<"\nDoctorate Degree : "<<degree; 
                      } 
 }; 
 class patient 
 { 
       private: 
                        char name[LEN]; 
                        char number [LEN]; 
       public: 
                     void getdata() 
                      { 
                           cout<<"\nEnter Patient Name : "; 
                           cin>>name; 
                           cout<<"\nEnter Bed Number : "; 
                           cin>>number; 
                       } 
                      void showdata() 
                       { 
                            cout<<"\nPatient Name : "<<name; 
                            cout<<"\nBed Number : "<<number; 
                        } 
 }; 
 class department 
 { 
        private: 
                             char ward [LEN] ; 
        public: 
                       void getdata() 
                        { 
                             cout<<"\nEnter Ward Name : "; 
                             cin>>ward; 
                         } 
                       void showdata() 
                        { 
                             cout<<"\nWard Name : "<<ward; 
                         } 
 }; 
 class amount 
 { 
         private: 
                               int dues; 
                               patient pat; 
                               doctor doc; 
                               department dept; 
         public: 
                         void getdata() 
                           { 
                                pat.getdata(); 
                                dept.getdata(); 
                                doc.getedu(); 
                                cout<<"Enter Dues of Patient : "; 
                                cin>>dues; 
                            } 
                          void showdata() 
                            { 
                                pat.showdata(); 
                                dept.showdata(); 
                                doc.showedu(); 
                                cout<<"\nTotal Dues of Patient : "<<dues; 
                             } 
 }; 
     void main() 
        { 
                   amount a1; 
                   clrscr(); 
                   cout<<"\nEnter Data "; 
                   a1.getdata(); 
                   cout<<"\nInserted Data is : \n"; 
                   a1.showdata(); 
                   getch(); 
         }