call contructor from parent class : Inheritance « Class « C++






call contructor from parent class

   
#include <iostream>
#include <string.h>
using namespace std;
class Book 
{
  public:
    Book(char *title) { strcpy(Book::title, title); }; 
    void show_title(void) { cout << title << endl; };
  protected:
    float cost;
    void show_cost(void) { cout << cost << endl; };
  private:
    char title[64];
};

class LibraryCard : public Book 
{
  public:
    LibraryCard(char *title, char *author, char *publisher) : Book(title) 
      { 
        strcpy(LibraryCard::author, author); 
        strcpy(LibraryCard::publisher, publisher); 
        cost = 49.95;
      };
    void show_library(void) 
  { 
        show_title();
        show_cost();
        cout << author << ' ' << publisher; 
  };
  private:
    char author[64];
    char publisher[64];
};


int main(void)
{
   LibraryCard card("A", "B", "C");
   card.show_library();
}
  
    
    
  








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