package dbj.odmg;

class OrderItem {
  Book book;
  int num;
    
  public OrderItem (Book b, int n) {
    book = b;
    num = n;
  }
	
  public boolean isAvailable () {
    return book.getStock () >= num;
  }
	
  public double getPrice () {
    return book.getPrice () * num;
  }
}