#include<iostream.h>
#include<conio.h>

class student{  //student class
    
    // student class attributes
    // Access specifier is by default private
    int ID;
    char * name;
    
    public:// public acccess specifier

    // student class functions/ operations    
    void login();
    bool Select();
    void read();
    }; // end of student class
    
// ********************************************************************
// ********************************************************************
// ********************************************************************    
    
    
class topic{ // topic class
    
    //topic class attributes
    // Access specifier is by default private
    int ID;        
    char * title;     

    public: // public access specifier

    // topic class functions/ operations    
    void add();
    void remove();
    bool select();
    void search();
    void View();
    void print();
    void download();
    };// end of topic class
    
// ********************************************************************
// ********************************************************************
// ********************************************************************   

    
class SubTopic: public topic {   // Inheritance relationship b/w topic and sub topic
     // Attributes of SubTopic class
     // Access specifier is by default private
     int SubID;
    
    };
    
// ********************************************************************
// ********************************************************************
// ********************************************************************   
    
class Lesson{ // Lesson class
    
    // Lesson class attributes
    // Access specifier is by default private  
    int ID;      
    topic * title;//aggregation relationship b/w lessons and topic   
    int NoOfLessons;
    
    public:// public access specifier

    // Lesson class functions/ operations    
    void add();
    void remove();
    bool select();
    void search();
    void View();
    void print();
    void download();
    };// end of Lesson class
// ********************************************************************
// ********************************************************************
// ********************************************************************   
      
    
class course{ //course class
   //Attributes of course class 
   char * code;       
   topic  title;    //composition relationship b/w Course and topic
   char * courseName;
   int duration;
   Lesson NoOfLessons;//composition relationship b/w Course and Lesson

    public:// public access specifier

    //course class functions/operations    
    void add();
    bool select();
    void View();
    void read();
    
    };// end of course class
    
// ********************************************************************
// ********************************************************************
// ********************************************************************   
  
class StudyProgram{ // StudyProgram class
    //Attributes of StudyProgram 
    // Access specifier is by default private
    char * Code;
    char * title;
    char * ProgramName;
    course duration; //composition relationship b/w StudyProgram and course
    
    public:// public access specifier
    bool select();
    char * ViewCourseList;
    };// end of StudyProgram class

// ********************************************************************
// ********************************************************************
// ********************************************************************   
  

class portal {// portal class
    //Attributes of portal class
    //Access specifier is by default private
    
    int NoOfStudyProgram;
    int selectedPrograms;
    int selectedCourse;
    
    StudyProgram * code;//aggregation relationship b/w portal and StudyProgram
    StudyProgram * title;//aggregation relationship b/w portal and StudyProgram
    
    public://public access specifier

    // portal class functions/ operations    
    void add();
    void remove();
    bool select();
    void search();
    void View();
    void print();
    void download();
    };// end of portal class
// ********************************************************************
// ********************************************************************
// ********************************************************************