public void AddChild(IProfitable profitable)
{
if (profitable is Store)
{
StoreList.Add(profitable);
}
}
public void RemoveChild(IProfitable profitable)
{
if (profitable is Store)
{
StoreList.Remove(profitable);
}
}
public void RemoveChild(IProfitable profitable)
{
if (profitable is City)
{
CityList.Remove(profitable);
}
}
public void AddChild(IProfitable profitable)
{
if (profitable is City)
{
CityList.Add(profitable);
}
}
private static void PayAnnualInterest(Account[] accounts)
{
foreach (Account acc in accounts)
{
IProfitable p = acc as IProfitable;
p?.AddInterest(1); //if(p != null) p.AddInterest(1)
}
}
private static void PayAnnualInterest(Account[] accounts)
{
foreach (Account acc in accounts)
{
IProfitable p = acc as IProfitable;
if (p != null)
{
double interest = p.GetInterest(12);
acc.Deposit(interest);
}
}
}
private static void PayAnnualInterest(Account[] group)
{
foreach (var acc in group)
{
IProfitable p = acc as IProfitable;
if (p != null)
{
double i = p.GetInterest(1);
acc.Deposit(i);
}
}
}
public void RemoveChild(IProfitable profitable)
{
throw new NotImplementedException();
}
