static void Main(string[] args)
{
PersonSingleton person = PersonSingleton.GetInstance();
person.Id = "1234567890";
person.Name = "Fabian Varela Bonett";
person.Email = "*****@*****.**";
ShowData();
}
public static void ShowData()
{
PersonSingleton person = PersonSingleton.GetInstance();
person.ShowData();
}