COS110 Tutorial7-Memo - COS 110 Tutorial 7 Department of...

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COS 110 Tutorial 7 Department of Computer Science 31 August MEMO The ticks represent 1 mark. In the coding answers the mark is given in [] for each line to mark. 1. Consider the following code: class Book { private: int isbn; char* name; char* publisher; char* author; public: Book(); Book(int isbnI, char*& nameI, char*& publisherI, char*& authorI); }; class TextBook { private: int isbn; char* name; char* publisher; char* author; char* course; public: TextBook(int isbnI, char*& nameI, char*& publisherI, char*& authorI,char*& courseI); }; 1
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(a) (3) Provide code to enable the following (The function signature is also required) Book b; Textbook tb; b = tb; Solution: Book::operator Textbook() [1] { course = new char[10]; [1] TextBook(isbn,name,publisher,auther,course); [1] } (b) (7) Change the code of TextBook to make it inherited from Book. All necessary code for Text- Book must be shown. No new function is required for TextBook. In Book some methods needs to be added. Only provide the function prototype for the methods of Book.
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