Constructs an ElectronicBookInfo object. This constructor is used for deserialization.
ElectronicBookInfo
Constructs an ElectronicBookInfo object initialized with given attributes.paramtitle the book's titleparamauthor the name of the book's authorparameditor the name of the book's editorparamprice the price of the book.paramurl the book's URL super(title, author, editor, price); this.url = url;
super(title, author, editor, price); this.url = url;
Gets the url for the bookreturnthe book's url. return url;
return url;
Sets the url of the bookparamurl the book's url. this.url = url;
this.url = url;