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Re: Newbee List question

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09 януари 2014, четвъртък, 14:16:42 UTC+2, Todor Atanasov написа:
> Hi,
> 
> I am very new to the JAVA, but I have some experience in programming, like C++/MFC and php.
> 
> 
> 
> I have a question regarding List, and more precisely a specific case which I fail to get the logic.
> 
> 
> 
> This is the example code:
> 
> 
> 
> List groups = new ArrayList();
> 
> List group = null;
> 
> for(int i = 0; i < 20; i++{
> 
>     TestClass test = new TestClass();
> 
>    if(group == null || flag)){
> 
>       group = new ArrayList();
> 
>       groups.add(group);
> 
>    }
> 
> 
> 
>   
> 
>   ...... //the flag is set on some condition
> 
>   group.add(test);
> 
>    
> 
> }
> 
> 
> 
> I get the first nationalization of the group list with new ArrayList, but isn't every single group list after that, when the flag is set, also initialized, resulting in a empty group, which are then added to the groups??

Thank you both for the reply, I will have to look more deeply into the logic here :D

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Thread

Newbee List question Todor Atanasov <xumepoc@gmail.com> - 2014-01-09 04:16 -0800
  Re: Newbee List question Joerg Meier <joergmmeier@arcor.de> - 2014-01-09 13:38 +0100
  Re: Newbee List question leif.roar@invalid.com (Leif Roar Moldskred) - 2014-01-09 07:50 -0600
    Re: Newbee List question Tim Slattery <tim@risingdove.com> - 2014-01-09 14:12 -0500
      Re: Newbee List question leif.roar@invalid.com (Leif Roar Moldskred) - 2014-01-09 14:41 -0600
  Re: Newbee List question Todor Atanasov <xumepoc@gmail.com> - 2014-01-09 06:52 -0800
  Re: Newbee List question Roedy Green <see_website@mindprod.com.invalid> - 2014-02-03 19:36 -0800
  Re: Newbee List question Roedy Green <see_website@mindprod.com.invalid> - 2014-02-03 19:39 -0800

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