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Groups > comp.lang.java.programmer > #36313

Re: Removing an element while iterating over a List with enhanced for?

From Robert Klemme <shortcutter@googlemail.com>
Newsgroups comp.lang.java.programmer
Subject Re: Removing an element while iterating over a List with enhanced for?
Date 2017-02-16 23:21 +0100
Message-ID <egmmvbFs6skU1@mid.individual.net> (permalink)
References <o82m7a$tls$1@dont-email.me> <o83759$lhe$1@gioia.aioe.org> <o84mo2$lrp$1@dont-email.me> <egm5srFomftU1@mid.individual.net> <o850tb$e7n$1@Gaia.teknon.de>

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On 16.02.2017 21:09, Volker Borchert wrote:
> Robert Klemme wrote:
>> On 16.02.2017 18:17, Knute Johnson wrote:
>>> On 2/15/2017 21:43, Arne Vajh??j wrote:
>>>> On 2/15/2017 5:56 PM, Knute Johnson wrote:
>>>>> An enhanced for loop on a List is no different than using an Iterator
>>>>> right?  So is there any problem removing the current element from the
>>>>> list while using the enhanced for loop?  I couldn't find anything that
>>>>> said it was OK or not OK in the JLS.
>>>>
>>>>>         List<Integer> list = Stream.of(1,5,7,9,13).collect(toList());
>>
>> Btw. I know it is just the code to get a list filled but still you can
>> have that much simpler:
>>
>>      list = Arrays.asList(1, 5, 7, 9, 13);
>>
>> We tend to forget the "good ole code" over all the fancy new things.  :-)
>
> The list you get from this does not support removal.

Correct.  Slightly less simple

     list = new ArrayList<>(Arrays.asList(1, 5, 7, 9, 13));

I concede it's not so nice any more. :-)

Cheers

	robert

-- 
remember.guy do |as, often| as.you_can - without end
http://blog.rubybestpractices.com/

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Thread

Removing an element while iterating over a List with enhanced for? Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2017-02-15 16:56 -0600
  Re: Removing an element while iterating over a List with enhanced for? Eric Sosman <esosman@comcast-dot-net.invalid> - 2017-02-15 18:24 -0500
    Re: Removing an element while iterating over a List with enhanced for? Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2017-02-15 17:51 -0600
  Re: Removing an element while iterating over a List with enhanced for? Arne Vajhøj <arne@vajhoej.dk> - 2017-02-15 22:43 -0500
    Re: Removing an element while iterating over a List with enhanced for? Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2017-02-16 11:17 -0600
      Re: Removing an element while iterating over a List with enhanced for? Robert Klemme <shortcutter@googlemail.com> - 2017-02-16 18:30 +0100
        Re: Removing an element while iterating over a List with enhanced for? Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2017-02-16 11:35 -0600
        Re: Removing an element while iterating over a List with enhanced for? Arne Vajhøj <arne@vajhoej.dk> - 2017-02-16 14:02 -0500
        Re: Removing an element while iterating over a List with enhanced for? v_borchert@despammed.com (Volker Borchert) - 2017-02-16 20:09 +0000
          Re: Removing an element while iterating over a List with enhanced for? Robert Klemme <shortcutter@googlemail.com> - 2017-02-16 23:21 +0100

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