Ken Perl wrote:
: ok, let me explain what I mean.
: $account = new Account;
: then I can get the currency of the two countries,
: $account->currency_us;
: $account->currency_fr;
:
: after I freeze the code, a new country jumps out, suppose i need
: support Iraq, but now I can't use this,
: $account->currency_iraq;
: If I want to support this method, I have to modify the constructor
: again to add the new country, but what I am looking for is the
: solution that doesn't need to modify the constructor again.
You mentioned a database. Is that where the countries are
stored? Will a new country appear there? How are you accessing
this database?
HTH,
Charles K. Clarkson
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