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| From | Eric Sosman <esosman@comcast-dot-net.invalid> |
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: elementary loops |
| Date | Mon, 22 Jun 2015 16:28:25 -0400 |
| Organization | A noiseless patient Spider |
| Lines | 44 |
| Message-ID | <mm9r2q$dfe$1@dont-email.me> (permalink) |
| References | <loops-20150622181350@ram.dialup.fu-berlin.de> <mm9gtv$3mb$1@dont-email.me> <mm9mvd$b36$1@Gaia.teknon.de> <mm9qah$b69$1@dont-email.me> |
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On 6/22/2015 4:15 PM, Eric Sosman wrote:
> On 6/22/2015 3:17 PM, Volker Borchert wrote:
>> Eric Sosman wrote:
>>> On 6/22/2015 12:15 PM, Stefan Ram wrote:
>>>> public class Main
>>>> { public static void main( final java.lang.String[] args )
>>>> { short i = -1;
>>>> int j = -1;
>>>> for( int k = 0; k < 65; ++k ){ i >>>= 1; j <<= 32; }
>>>> java.lang.System.out.println( i );
>>>> java.lang.System.out.println( j ); }}
>>>>
>>>> I hope you can all predict what this prints and explain why.
>>>
>>> It prints "Rejected by code review," and the explanation
>>> is "Because it's badly formatted, and silly to boot."
>>
>> I think it'll rather throw a DoYourHomeworkYourselfException,
>> which is a well known subclass of SecurityException.
>>
>>> In the actual code, are there any clues as to what the author
>>> intended to accomplish? I'd be interested in any explanation,
>>> even if it's largely speculative.
>>
>> It looks suspiciously like homework.
>
> That's possible, I guess, but why would Stefan give his students
> such a silly problem? (Then again, I can't see why he mentioned
> loops in the title: There's a loop present, but it really has nothing
> to do with the issue.)
>
> Stefan: Was this a quickie quiz for beginner-level programmers,
> or did you adapt it from somebody's actual blunder? (Maybe a blunder
> written by a beginner-level-and-struggling examination taker?)
Wild guess about the "loops" part: Was the original something like
for (short i = -1; i != 0; i >>>= 1) { ... }
?
--
esosman@comcast-dot-net.invalid
"Don't be afraid of work. Make work afraid of you." -- TLM
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Re: elementary loops Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-06-22 13:35 -0400
Re: elementary loops v_borchert@despammed.com (Volker Borchert) - 2015-06-22 19:17 +0000
Re: elementary loops Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-06-22 16:15 -0400
Re: elementary loops Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-06-22 16:28 -0400
Re: elementary loops Arne Vajhøj <arne@vajhoej.dk> - 2015-06-28 20:09 -0400
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