Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.lang.java.programmer > #10900

Re: Design Question

Date 2011-12-20 10:39 -0500
From Arne Vajhøj <arne@vajhoej.dk>
Newsgroups comp.lang.java.programmer
Subject Re: Design Question
References <Xns9FBFC38D782BCjpnasty@94.75.214.39> <4eee8447$0$291$14726298@news.sunsite.dk> <m2obv3paea.fsf@wantspam.net>
Message-ID <4ef0ac49$0$285$14726298@news.sunsite.dk> (permalink)
Organization SunSITE.dk - Supporting Open source

Show all headers | View raw


On 12/20/2011 9:47 AM, ilAn wrote:
> Arne Vajhøj<arne@vajhoej.dk>  writes:
>> On 12/18/2011 7:13 PM, Novice wrote:
>>> Am I right in thinking that I should actually have an abstract class, maybe
>>> called AbstractScore, and that it should have two subclasses, Interim Score
>>> and FinalScore? AbstractScore could have all of the "common code" in it
>>> while InterimScore and FinalScore could each do the stuff that was unique
>>> to itself, like setting the Title appropriately, setting the text of the
>>> button, and reacting to the appropriate button in actionPerformed(). In
>>> other words, the actionPerformed() in InterimScore would only react to Quit
>>> while the actionPerformed() in FinalScore would only react to Exit. Then,
>>> my game should instantiate InterimScore during the game and FinalScore when
>>> the user wants to end the game.
>>>
>>> Or is there a better way?
>>
>> The abstract class with two sub classes must be the OO way.
>
> Or you could consider the user of an interface, two classes that
> implement that interface - and a factory class that returns the correct
> one. You should pass some kind of object to the factory class, maybe in
> the constructor; from which it can work out what type of class to
> return. (Maybe the Game itself as a class/interface.)
>
> This would allow you to add other types of class that implement the
> interface for scenarios you have not yet imagined.

He said "common code".

Arne

Back to comp.lang.java.programmer | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

Design Question Novice <novice@example..com> - 2011-12-19 00:13 +0000
  Re: Design Question Arne Vajhøj <arne@vajhoej.dk> - 2011-12-18 19:24 -0500
    Re: Design Question ilAn <idonot@wantspam.net> - 2011-12-20 16:47 +0200
      Re: Design Question Arne Vajhøj <arne@vajhoej.dk> - 2011-12-20 10:39 -0500
  Re: Design Question markspace <-@.> - 2011-12-18 19:23 -0800
    Re: Design Question Novice <novice@example..com> - 2011-12-19 13:26 +0000
    Re: Design Question Novice <novice@example..com> - 2011-12-19 13:28 +0000
  Re: Design Question Arved Sandstrom <asandstrom3minus1@eastlink.ca> - 2011-12-19 07:16 -0400
    Re: Design Question Novice <novice@example..com> - 2011-12-19 13:49 +0000
      Re: Design Question Martin Gregorie <martin@address-in-sig.invalid> - 2011-12-19 22:22 +0000
        Re: Design Question Arved Sandstrom <asandstrom3minus1@eastlink.ca> - 2011-12-19 20:13 -0400
          Re: Design Question Lew <lewbloch@gmail.com> - 2011-12-20 07:37 -0800
            Re: Design Question Arne Vajhøj <arne@vajhoej.dk> - 2011-12-20 10:42 -0500
              Re: Design Question Arved Sandstrom <asandstrom3minus1@eastlink.ca> - 2011-12-20 17:46 -0400
        Re: Design Question Martin Gregorie <martin@address-in-sig.invalid> - 2011-12-20 20:40 +0000
  Re: Design Question Novice <novice@example..com> - 2011-12-19 13:34 +0000
  Re: Design Question Roedy Green <see_website@mindprod.com.invalid> - 2011-12-19 06:25 -0800
  Re: Design Question Gene Wirchenko <genew@ocis.net> - 2011-12-19 11:38 -0800
    Re: Design Question Lew <lewbloch@gmail.com> - 2011-12-20 07:42 -0800
      Re: Design Question Gene Wirchenko <genew@ocis.net> - 2011-12-20 11:51 -0800
        Re: Design Question soulspirit@gmail.com - 2011-12-20 14:55 -0800
          Re: Design Question Gene Wirchenko <genew@ocis.net> - 2011-12-20 15:25 -0800
            Re: Design Question soulspirit@gmail.com - 2011-12-21 01:11 -0800
              Re: Design Question Gene Wirchenko <genew@ocis.net> - 2011-12-21 11:08 -0800
                Re: Design Question soulspirit@gmail.com - 2011-12-21 15:27 -0800
                Re: Design Question Gene Wirchenko <genew@ocis.net> - 2011-12-21 18:06 -0800

csiph-web