public override bool Equals(System.Object otherBook)
{
if (!(otherBook is Book))
{
return(false);
}
else
{
Book newBook = (Book)otherBook;
bool areIdsEqual = (this.GetId() == newBook.GetId());
bool areNameEqual = (this.GetName() == newBook.GetName());
bool areauthor_idEqual = (this.GetAuthorId() == newBook.GetAuthorId());
bool areYearEqual = (this.GetYear() == newBook.GetYear());
return(areIdsEqual && areNameEqual && areauthor_idEqual && areYearEqual);
}
}