public String getBook_publishTime() { }

return book_publishTime;

public void setBook_price(double book_price) { }

this.book_price = book_price; public double getBook_price() { }

return book_price;

public void setBook_num(String book_num) { }

this.book_num = book_num; public String getBook_num() { }

return book_num;

public void setBook_name(String book_name) { }

this.book_name = book_name; public String getBook_name() { }

return book_name;

public void setBook_id(int book_id) { }

this.book_id = book_id; public int getBook_id() { }

return book_id;

public void setBook_author(String book_author) { }

this.book_author = book_author; public String getBook_author() { }

return book_author;