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Re: Help with Deck of cards assignment and getting it to deal...

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From Eric Sosman <esosman@comcast-dot-net.invalid>
Newsgroups comp.lang.java.programmer
Subject Re: Help with Deck of cards assignment and getting it to deal...
Date Sun, 03 Aug 2014 17:05:28 -0400
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On 8/3/2014 4:01 PM, Jeff Higgins wrote:
> On 08/03/2014 03:45 PM, Jeff Higgins wrote:
>> On 08/03/2014 03:00 PM, Eric Sosman wrote:
>>>      Given the variety of card games, Comparable is a wrong-headed
>>> approach for ranks, for suits, and even for hands.
>>>
>> Perhaps, but just for my own enlightenment, allow me one more interface
>> and then describe a *simple* game that that cannot be implemented given
>> the provided interfaces.
>>
>> package scratch;
>>
>> import java.util.Collection;
>>
>> /**
>>   * A Card game controller.
>>   * While we have hands to play, compare hands.
>>   *
>>   * @author jeff
>>   *
>>   */
>> public interface Ruler extends Iterable<Ruler>,
>> Comparable<Collection<Card>> {
>>
>> }
>>
>>
> Well, that could probably have been done better but you get my drift.

     I think so.  However, I've already mentioned the "high-low" types
of Poker, where a single hand can be both higher and lower than another.
I gave one example upthread; here's another:

     With Aces high, A A A 7 7 is a "full house," a very strong hand.
It is just a little bit stronger than K K K J J, another full house,
because when two full houses meet they are ranked by their triples:
In this case, AAA beats KKK so the first hand is higher.  But play
the Aces low instead, and now KKK beats AAA so the second hand is
higher.  If the deal's final showdown involved these two hands, the
first could be *both* high and low, and win the entire pot by
trapping the second hand "in between."

     Your challenge, then, should you choose to accept it: Write a
compareTo() method for which AAA77.compareTo(KKKJJ) returns a
value that is simultaneously positive and negative.  Maybe when
quantum computing comes of age ...

     Yes, okay, I see your "*simple*" -- but I reject it as weasel-
wording: Confronted with a game for which your approach won't work,
you could just say "Oh, but that's not *simple* in the way I choose
to define it."  Problem-avoidance is a viable strategy sometimes, but
it shouldn't be mistaken for problem-solving.

-- 
esosman@comcast-dot-net.invalid

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Thread

Help with Deck of cards assignment and getting it to deal... Scott Dunning <scottwd01@gmail.com> - 2014-08-01 18:16 -0700
  Re: Help with Deck of cards assignment and getting it to deal... Roedy Green <see_website@mindprod.com.invalid> - 2014-08-02 01:42 -0700
    Re: Help with Deck of cards assignment and getting it to deal... Martin Gregorie <martin@address-in-sig.invalid> - 2014-08-02 10:19 +0000
      Re: Help with Deck of cards assignment and getting it to deal... Roedy Green <see_website@mindprod.com.invalid> - 2014-08-03 15:54 -0700
        Re: Help with Deck of cards assignment and getting it to deal... Martin Gregorie <martin@address-in-sig.invalid> - 2014-08-04 13:00 +0000
          Re: Help with Deck of cards assignment and getting it to deal... Arne Vajhøj <arne@vajhoej.dk> - 2014-08-19 17:48 -0400
            Re: Help with Deck of cards assignment and getting it to deal... "Chris Uppal" <chris.uppal@metagnostic.REMOVE-THIS.org> - 2014-08-20 10:48 +0100
              Re: Help with Deck of cards assignment and getting it to deal... Arne Vajhøj <arne@vajhoej.dk> - 2014-09-07 21:42 -0400
              Re: Help with Deck of cards assignment and getting it to deal... Eric Sosman <esosman@comcast-dot-net.invalid> - 2014-09-07 22:04 -0400
                Re: Help with Deck of cards assignment and getting it to deal... Arne Vajhøj <arne@vajhoej.dk> - 2014-09-07 22:08 -0400
  Re: Help with Deck of cards assignment and getting it to deal... Mike Amling <mamling@chaff.us> - 2014-08-03 07:38 -0500
  Re: Help with Deck of cards assignment and getting it to deal... Eric Sosman <esosman@comcast-dot-net.invalid> - 2014-08-03 10:23 -0400
    Re: Help with Deck of cards assignment and getting it to deal... lipska the kat <lipskathekat@example.com> - 2014-08-03 18:52 +0100
      Re: Help with Deck of cards assignment and getting it to deal... Jeff Higgins <jeff@invalid.invalid> - 2014-08-03 14:16 -0400
        Re: Help with Deck of cards assignment and getting it to deal... lipska the kat <lipskathekat@example.com> - 2014-08-03 19:21 +0100
          Re: Help with Deck of cards assignment and getting it to deal... Jeff Higgins <jeff@invalid.invalid> - 2014-08-03 14:38 -0400
            Re: Help with Deck of cards assignment and getting it to deal... lipska the kat <lipskathekat@example.com> - 2014-08-03 19:41 +0100
    Re: Help with Deck of cards assignment and getting it to deal... Mike Amling <mamling@chaff.us> - 2014-08-03 16:05 -0500
  Re: Help with Deck of cards assignment and getting it to deal... Jeff Higgins <jeff@invalid.invalid> - 2014-08-03 11:08 -0400
    Re: Help with Deck of cards assignment and getting it to deal... Eric Sosman <esosman@comcast-dot-net.invalid> - 2014-08-03 11:41 -0400
      Re: Help with Deck of cards assignment and getting it to deal... Jeff Higgins <jeff@invalid.invalid> - 2014-08-03 13:25 -0400
        Re: Help with Deck of cards assignment and getting it to deal... Jeff Higgins <jeff@invalid.invalid> - 2014-08-03 13:36 -0400
          Re: Help with Deck of cards assignment and getting it to deal... David Postill <david.postill@gmail.com> - 2014-08-04 09:00 +0200
        Re: Help with Deck of cards assignment and getting it to deal... Jeff Higgins <jeff@invalid.invalid> - 2014-08-03 13:47 -0400
          Re: Help with Deck of cards assignment and getting it to deal... Jeff Higgins <jeff@invalid.invalid> - 2014-08-03 13:52 -0400
            Re: Help with Deck of cards assignment and getting it to deal... Jeff Higgins <jeff@invalid.invalid> - 2014-08-03 14:10 -0400
        Re: Help with Deck of cards assignment and getting it to deal... Eric Sosman <esosman@comcast-dot-net.invalid> - 2014-08-03 15:00 -0400
          Re: Help with Deck of cards assignment and getting it to deal... Arne Vajhøj <arne@vajhoej.dk> - 2014-08-03 15:26 -0400
            Re: Help with Deck of cards assignment and getting it to deal... lipska the kat <lipskathekat@example.com> - 2014-08-03 20:34 +0100
            Re: Help with Deck of cards assignment and getting it to deal... Eric Sosman <esosman@comcast-dot-net.invalid> - 2014-08-03 16:49 -0400
              Re: Help with Deck of cards assignment and getting it to deal... Arne Vajhøj <arne@vajhoej.dk> - 2014-08-03 17:01 -0400
                Re: Help with Deck of cards assignment and getting it to deal... "Chris Uppal" <chris.uppal@metagnostic.REMOVE-THIS.org> - 2014-08-04 20:32 +0100
                Re: Help with Deck of cards assignment and getting it to deal... Arne Vajhøj <arne@vajhoej.dk> - 2014-08-19 17:45 -0400
                Re: Help with Deck of cards assignment and getting it to deal... "Chris Uppal" <chris.uppal@metagnostic.REMOVE-THIS.org> - 2014-08-20 10:50 +0100
                Re: Help with Deck of cards assignment and getting it to deal... Brixomatic <brixomatic@yahoo.com> - 2014-08-31 10:17 +0200
                Re: Help with Deck of cards assignment and getting it to deal... "Chris Uppal" <chris.uppal@metagnostic.REMOVE-THIS.org> - 2014-09-04 15:14 +0100
                Re: Help with Deck of cards assignment and getting it to deal... Eric Sosman <esosman@comcast-dot-net.invalid> - 2014-09-04 10:55 -0400
                Re: Help with Deck of cards assignment and getting it to deal... "Chris Uppal" <chris.uppal@metagnostic.REMOVE-THIS.org> - 2014-09-04 16:12 +0100
                [OT] Re: Help with Deck of cards assignment and getting it to deal... Eric Sosman <esosman@comcast-dot-net.invalid> - 2014-09-04 15:05 -0400
                Re: Help with Deck of cards assignment and getting it to deal... Gene Wirchenko <genew@telus.net> - 2014-09-05 10:03 -0700
                Re: Help with Deck of cards assignment and getting it to deal... Arne Vajhøj <arne@vajhoej.dk> - 2014-09-07 21:45 -0400
                Re: Help with Deck of cards assignment and getting it to deal... Eric Sosman <esosman@comcast-dot-net.invalid> - 2014-09-07 22:13 -0400
              Re: Help with Deck of cards assignment and getting it to deal... Jeff Higgins <jeff@invalid.invalid> - 2014-08-03 17:19 -0400
                Re: Help with Deck of cards assignment and getting it to deal... Eric Sosman <esosman@comcast-dot-net.invalid> - 2014-08-04 08:14 -0400
                Re: Help with Deck of cards assignment and getting it to deal... Jeff Higgins <jeff@invalid.invalid> - 2014-08-04 20:03 -0400
                Re: Help with Deck of cards assignment and getting it to deal... Jeff Higgins <jeff@invalid.invalid> - 2014-08-04 20:29 -0400
          Re: Help with Deck of cards assignment and getting it to deal... Jeff Higgins <jeff@invalid.invalid> - 2014-08-03 15:45 -0400
            Re: Help with Deck of cards assignment and getting it to deal... Jeff Higgins <jeff@invalid.invalid> - 2014-08-03 16:01 -0400
              Re: Help with Deck of cards assignment and getting it to deal... Eric Sosman <esosman@comcast-dot-net.invalid> - 2014-08-03 17:05 -0400
                Re: Help with Deck of cards assignment and getting it to deal... Jeff Higgins <jeff@invalid.invalid> - 2014-08-03 17:37 -0400
                Re: Help with Deck of cards assignment and getting it to deal... Jeff Higgins <jeff@invalid.invalid> - 2014-08-03 18:19 -0400
                Re: Help with Deck of cards assignment and getting it to deal... Jeff Higgins <jeff@invalid.invalid> - 2014-08-03 18:34 -0400
                Re: Help with Deck of cards assignment and getting it to deal... Eric Sosman <esosman@comcast-dot-net.invalid> - 2014-08-03 20:37 -0400
                Re: Help with Deck of cards assignment and getting it to deal... Jeff Higgins <jeff@invalid.invalid> - 2014-08-03 20:40 -0400
                Re: Help with Deck of cards assignment and getting it to deal... Jeff Higgins <jeff@invalid.invalid> - 2014-08-03 20:49 -0400
                Re: Help with Deck of cards assignment and getting it to deal... Jeff Higgins <jeff@invalid.invalid> - 2014-08-03 18:09 -0400
  Re: Help with Deck of cards assignment and getting it to deal... Roedy Green <see_website@mindprod.com.invalid> - 2014-08-04 18:43 -0700
    Re: Help with Deck of cards assignment and getting it to deal... "Chris Uppal" <chris.uppal@metagnostic.REMOVE-THIS.org> - 2014-08-05 11:19 +0100
      Re: Help with Deck of cards assignment and getting it to deal... "Chris Uppal" <chris.uppal@metagnostic.REMOVE-THIS.org> - 2014-08-05 11:28 +0100
  Re: Help with Deck of cards assignment and getting it to deal... lipska the kat <lipskathekat@example.com> - 2014-08-31 17:31 +0100

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