public book(string title, string price, string page_number, string autor_name = "", string autor_last_name = "", string autor_email = "", string autor_genero = "")
{
this.title = title;
this.price = float.Parse(price);
this.page_number = int.Parse(page_number);
this.autor_book = new autor(autor_name, autor_last_name, autor_email, autor_genero);
}
public book(string title, string price, string page_number, autor autor_book)
{
this.title = title;
this.price = float.Parse(price);
this.page_number = int.Parse(page_number);
this.autor_book = autor_book;
}
public book(string title, float price, int page_number, autor autor_book)
{
this.title = title;
this.price = price;
this.page_number = page_number;
this.autor_book = autor_book;
}
public book(string title, float price, int page_number, string autor_name = "", string autor_last_name = "", string autor_email = "", string autor_genero = "")
{
this.title = title;
this.price = price;
this.page_number = page_number;
this.autor_book = new autor(autor_name, autor_last_name, autor_email, autor_genero);
}
public book()
{
this.title = "";
this.price = 0f;
page_number = 0;
autor_book = new autor();
}