public class Author { public string Name { get; set; } public string Email { get; set; } public string PhoneNumber { get; set; } } public interface IAuthorService { void AddAuthor(Author author); } public class AuthorService : IAuthorService { public void AddAuthor(Author author) { // Code implementation to add author to the database or storage system } }
public interface IAuthorService { void UpdateAuthor(Author author); } public class AuthorService : IAuthorService { public void UpdateAuthor(Author author) { // Code implementation to update author in the database or storage system based on the author id } }
public interface IAuthorService { void DeleteAuthor(int authorId); } public class AuthorService : IAuthorService { public void DeleteAuthor(int authorId) { // Code implementation to delete author from the database or storage system based on the author id } }The package library for IAuthorService can vary depending on the project and the storage system used. It could be a custom library or a third party library such as Entity Framework or MongoDB.