? int count; public: Category(string name, string code): name(name), code(code){} /* Implement the count function below. Consider the use of the function as depicted in main() */ ? /* Implement the add function which fills the category with contents below. Consider the use of the function as depicted in main() */ ?

EBK JAVA PROGRAMMING
9th Edition
ISBN:9781337671385
Author:FARRELL
Publisher:FARRELL
Chapter3: Using Methods, Classes, And Objects
Section: Chapter Questions
Problem 11RQ
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class IndexItem { public: virtual int count() = 0; virtual void display()= 0; };class Book : public IndexItem { private: string title; string author; public: Book(string title, string author): title(title), author(author){} virtual int count(){ return 1; } virtual void display(){ /* YOU DO NOT NEED TO IMPLEMENT THIS FUNCTION */ } };class Category: public IndexItem { private: /* fill in the private member variables for the Category class below */
?
int count;
public: Category(string name, string code): name(name), code(code){} /* Implement the count function below. Consider the use of the function as depicted in main() */
?
/* Implement the add function which fills the category with contents below. Consider the use of the function as depicted in main() */
?
virtualvoiddisplay(){ /* YOU DO NOT NEED TO IMPLEMENT THIS FUNCTION */ } };
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