public Author (string name, string email, char gender) {
public string Name { get { return name;} }
public string Email { get { return email;} set { email = value;} }
public char Gender { get { return gender;} }
public override string ToString(){
return "Author[name=" + Name + ",email=" + Email + ",gender=" + Gender + "]";
public static void Main(){
Author ahTeck = new Author("Tan Ah Teck", "ahteck@nowhere.com", 'm');
Console.WriteLine(ahTeck);
ahTeck.Email = "paulTan@nowhere.com";
Console.WriteLine ("name is: " + ahTeck.Name);
Console.WriteLine ("email is: " + ahTeck.Email);
Console.WriteLine ("gender is: " + ahTeck.Gender);