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Groups > comp.lang.java.programmer > #35204
| From | Arne Vajhøj <arne@vajhoej.dk> |
|---|---|
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: DeDup an ArrayList |
| Date | 2016-08-05 09:02 -0400 |
| Organization | Aioe.org NNTP Server |
| Message-ID | <no22pq$5lt$1@gioia.aioe.org> (permalink) |
| References | <21r7qb1srdvnieuufjquie2qrfujso6l7p@4ax.com> <g4t7qb1r1ctt9ea84ji3rf7f66chkl1s9i@4ax.com> <dedup-20160805040327@ram.dialup.fu-berlin.de> |
On 8/4/2016 11:05 PM, Stefan Ram wrote:
> Roedy Green <inquiry@mindprod.com> writes:
>> * Remove duplicates if match equalIgnoreCase
>> * a ArrayList to deDup
>
> public final class Main
> {
> public static java.util.List< java.lang.String >
> dedup( final java.util.List< java.lang.String >input )
> { return
> input.stream().map( java.lang.String::toLowerCase ).distinct().
> collect( java.util.stream.Collectors.toList() ); }
>
> public static void main( final java.lang.String[] args )
> { final java.util.List< java.lang.String >list
> = java.util.Arrays.asList( "A", "a", "b" );
> java.lang.System.out.println( dedup( list )); }}
>
> [a, b]
But:
Arrays.asList( "A", "A", "b" );
also gives:
[a, b]
which may or may not be OK.
Arne
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DeDup an ArrayList Roedy Green <inquiry@mindprod.com> - 2016-08-04 18:35 -0700
Re: DeDup an ArrayList Andreas Leitgeb <avl@logic.at> - 2016-08-05 02:05 +0000
Re: DeDup an ArrayList Arne Vajhøj <arne@vajhoej.dk> - 2016-08-04 22:41 -0400
Re: DeDup an ArrayList Lew <lewbloch@gmail.com> - 2016-08-05 15:38 -0700
Re: DeDup an ArrayList Andreas Leitgeb <avl@logic.at> - 2016-08-06 12:10 +0000
Re: DeDup an ArrayList Roedy Green <inquiry@mindprod.com> - 2016-08-04 19:06 -0700
Re: DeDup an ArrayList Eric Douglas <e.d.programmer@gmail.com> - 2016-08-05 05:16 -0700
Re: DeDup an ArrayList Andreas Leitgeb <avl@logic.at> - 2016-08-05 15:30 +0000
Re: DeDup an ArrayList Eric Douglas <e.d.programmer@gmail.com> - 2016-08-05 10:10 -0700
Re: DeDup an ArrayList Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-08-05 13:51 -0400
Re: DeDup an ArrayList Eric Douglas <e.d.programmer@gmail.com> - 2016-08-05 12:16 -0700
Re: DeDup an ArrayList Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-08-05 15:38 -0400
Re: DeDup an ArrayList Marcel Mueller <news.5.maazl@spamgourmet.org> - 2016-08-06 00:47 +0200
Re: DeDup an ArrayList Arne Vajhøj <arne@vajhoej.dk> - 2016-08-05 09:02 -0400
Re: DeDup an ArrayList Jan Burse <janburse@fastmail.fm> - 2016-08-05 12:52 +0200
Re: DeDup an ArrayList Jan Burse <janburse@fastmail.fm> - 2016-08-05 12:53 +0200
Re: DeDup an ArrayList Jan Burse <janburse@fastmail.fm> - 2016-08-05 13:10 +0200
Re: DeDup an ArrayList Jan Burse <janburse@fastmail.fm> - 2016-08-13 12:26 +0200
Re: DeDup an ArrayList Daniel Pitts <usenet@coloraura.com> - 2016-08-05 08:37 -0700
Re: DeDup an ArrayList Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2016-08-05 08:58 -0700
Re: DeDup an ArrayList Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2016-08-05 09:47 -0700
Re: DeDup an ArrayList Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2016-08-05 19:56 -0700
Re: DeDup an ArrayList Daniel Pitts <usenet@coloraura.com> - 2016-08-06 09:18 -0700
Re: DeDup an ArrayList Marcel Mueller <news.5.maazl@spamgourmet.org> - 2016-08-06 01:04 +0200
Re: DeDup an ArrayList Roedy Green <inquiry@mindprod.com> - 2016-08-05 16:31 -0700
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