A binary file JOKES.TXT is containing objects belonging to a class JOKE. A user defined function in C++ to add more objects belonging to class JOKE at the bottom of it

#include<iostream.h>

#include<conio.h>

#include<fstream.h>

#include<stdio.h>

class joke{

                                             int joke_id;

                                             char type[5];

                                             char joke_desc[200];

                                             public:

                                             void newjoke()

                                                            {

                                                            cout<<"\nEnter joke id:";

                                                            cin>>joke_id;

                                                            cout<<"\nEnter joke type:(max 4 letters)";

                                                            gets(type);

                                                            cout<<"\nEnter the joke:\n";

                                                            gets(joke_desc);

                                                            }

                                             void showjoke()

                                                            {

                                                            cout<<"\nJoke id:"<<joke_id;

                                                            cout<<"\nJoke type:";

                                                            puts(type);

                                                            cout<<"\nJoke:\n";

                                                            puts(joke_desc);

            cout<<"HAHAHA";

                                                            }

                                             };

joke jo;

void add_joke()

{

               fstream file;

               file.open("joke",ios::binary|ios::app|ios::in|ios::out);

               int n,i;

               cout<<"\nHow many jokes?";

               cin>>n;

               for(i=0;i<n;i++)

               {              jo.newjoke();

                              file.write((char*)&jo,sizeof(jo));

               }

               file.close();

}

void main()

{

               clrscr();

               cout<<"HAHAHA";

               add_joke();

               jo.showjoke();

               getch();

}

OUTPUT:

HAHAHA

How many jokes?2                                                               

                                                                                

Enter joke id:1                                                                

                                                                               

Enter joke type:(max 4 letters)HUMR                                             

                                                                               

Enter the joke:                                                                

ABCDEFGHIJKLM

                                                                                

Enter joke id:2                                                                

                                                                               

Enter joke type:(max 4 letters)HUMR                                             

                                                                               

Enter the joke:                                                                

QWERTYUIO                                                                      

                                                                               

Joke id:2                                                                      

Joke type:HUMR                                                                 

                                                                                

Joke:                                                                          

QWERTYUIO                                                                      

HAHAHA