/// <summary>
/// Initializes a new instance of the <see cref="Account"/> class with specified chracteristics.
/// </summary>
/// <param name="name">Name of account owner.</param>
/// <param name="surname">Surname of account owner.</param>
/// <param name="gradation">Gradation of the account.</param>
public Account(string name, string surname, IAccountGradation gradation)
{
this.Number = new Random().Next(1, int.MaxValue);
this.OwnerName = name;
this.OwnerSurname = surname;
this.Amount = 0;
this.bonus = 0;
this.gradation = gradation;
}
/// <summary>
/// Initializes a new instance of the <see cref="Account"/> class with specified chracteristics.
/// </summary>
/// <param name="number">The number of account.</param>
/// <param name="name">Name of account owner.</param>
/// <param name="surname">Surname of account owner.</param>
/// <param name="amount">Amount of money.</param>
/// <param name="bonus">Bonuses for operations.</param>
/// <param name="gradation">Gradation of the account.</param>
public Account(long number, string name, string surname, double amount, int bonus, IAccountGradation gradation)
{
this.Number = number;
this.OwnerName = name;
this.OwnerSurname = surname;
this.Amount = amount;
this.bonus = bonus;
this.gradation = gradation;
this.closeAccount = false;
}