Re: class help

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#59

From: John Harrison
Date: Tue, 01 May 2001 21:04

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"Ron Natalie" <ron@spamcop.net> wrote in message
news:3AEF1F74.C963F0B7@spamcop.net...
>
>
> John Harrison wrote:
>
> >     int num_of_accounts;
> >     BankAccount the_accounts[100];
> >
> > You see? The BankDB object holds (upto) 100 BankAccount objects. This is
how
> > BankDb 'calls' an instance of BankAccount. E.g.
>
> No, BankDB holds exactly 100 BankAccount objects, not upto.

I think that depends on your point of view. Notionally the BankDB may hold
upto 100 accounts, even if 'physically' its always holding exactly 100.
Proabably that distinction was why I put 100 in brackets.

> If you want a dynamic number try:
> vector<BankAccount> the_accounts;

Yep, if the OP wants to go for this then by all means.

>
> > This approach has the limitation that you can only have a maximum of 100
> > account in BankDB, there are various ways around that but at your level
of
> > skill I'd stick with that for now.
>
> At his skill level, he should be learning to use the standard containers
> rather than screwing around with the suboptimal array type in C++.  I
> recommend Koenig and Moo's Accelerated C++ as a text that teaches you
> the good habits first, rather than propagating C ugliness into C++.

Again I couldn't agree more, I felt however that the OP was unlikely to take
this advice. Just an intuition.

john

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