public :

static int get_book_count(){

return book_count ;

}

std::string title ;

std::string author ;

int no_of_pages ;

book(){

book_count ++ ;

title = "No title" ;

author = "No author" ;

no_of_pages = 0 ;

}

//Constructor

book(std::string title_, std::string author_ ,int no_of_pages_){

book_count ++ ;

title = title_ ;

author = author_ ;

no_of_pages = no_of_pages_ ;

}

book(std::string title, std::string author){

book_count++ ;

this->title = title ;

this->author = author;

}

~book(){ //destructor

book_count -- ;

std::cout << "Destructer\n" ;

}

void set_publisher(std::string publisher_name){

publisher = publisher_name ;

}

std::string get_publisher(){

return publisher ;

}

void set_meta_data(std::string meta_data){

this->meta_data = meta_data ;

}

std::string get_meta_data(){

return meta_data ;

}

private :

std::string publisher ;

static int book_count ;

protected :

std::string meta_data ;

book book_0 = book("SHERLOCK H.." ,"Sir. AUTHOR..") ;

book_0 = book("SHERLOCK H.." ,"Sir. AUTHOR..") ;

book_0.set_publisher("Steam") ;

book book_1("SHERLOCK H.." ,"Sir. AUTHOR..") ;

book_1.set_publisher("Steam") ;

std::cout << book_1.title << "\n" ;

std::cout << book_1.author << "\n" ;

std::cout << book_1.get_publisher() << "\n" ;

//get count when public

//std::cout << book_1.book_count << "\n" ;

//std::cout << book::book_count << "\n" ;

//get count when provate

std::cout << book_0.get_book_count() << "\n" ;

std::cout << book::get_book_count() << "\n" ;

book_0.~book() ; // destructor called

std::cout << book::get_book_count() << "\n" ;

book books_array[5] ; // static array

}