Doing Programming Logic and Design, First Picture its a Class Diagram that belong the question 3

Book num stockNum string author string title num price num numPages setStockNum(num number) void setAuthor(string au): void setTitle(string ttl) setPrice(num pr): void setNumPages(num number) getStockNum) string getAuthor): string getTitle): string getPrice(): num getNumPages): num macbookair 18:16 ResponderX stockNum: num author: String title: String -price: num -numPages: num macbookair +setStockNum(num number): void +setAuthor(String au): void +setTitle(String ttl): void +setPrice(num pr): void +setNumPages(num numberP): void +getStockNum0: num +getAuthor): String +getTitle0: String +getPrice0: num