Yes this way I know but I dont think it would be advisable to use
this, when you need to do this job mutiple no of times in order to
displaying a single page on a website for a single user?
I need a something that is superfast as well as reasonably efficient as well.
On Sat, Feb 19, 2011 at 7:49 PM, Mihai DINCA <mihai.di...@free.fr> wrote:
> Hi
>
> The straight right way to do it is to create your own List, like :
> List<String> oneColumnList = new LinkedList<String>();
>
> The populate it with the things you need from the first List, something like
> this (I don't know the names of the methods in the Column class, and I
> dont't think the "for each" construct will work, but you've got the idea) :
> for ( Column c : myFirstList ) {
> oneColumnList.add( c.getFirstColumn());
> }
>
> Then call the 2nd function with the newly constructed list.
>
> Of course, this is a silly way to do it, specially when the number of
> columns is important. The alternative is to find a library function or some
> other solution to get directly a list of columns.
>
> Hope it helps
> Mihai
>
> Le 19/02/2011 13:04, asil klin a écrit :
>
> I have a function that returns a list like this:-
>
> List <Column <String1, String2>>
>
> Next I want to pass this list to a 2nd function, but 2nd function just needs
> a list which contains only 1st part (string1) of the Column(s) of the above
> list.
>
> So I want pass just this list to 2nd function:-
>
> List <String1>
>
> What would be the best way to do this ??
>
> [my use case: Both the functions are from a library that I use to access
> database(Cassandra) for a web application. 1st function gives me a list of
> all columns which has two parts name(String1) and value(String2). So 1st
> function gives me a list of all columns(each of which has two strings) then
> I just need to use the list of column names to supply it to 2nd function
> that'll query the DB for those columns.]
>
> --
> To post to this group, send email to
> javaprogrammingwithpassion@googlegroups.com
> To unsubscribe from this group, send email to
> javaprogrammingwithpassion+unsubscr...@googlegroups.com
> For more options, visit this group at
> http://groups.google.com/group/javaprogrammingwithpassion?hl=en
--
To post to this group, send email to javaprogrammingwithpassion@googlegroups.com
To unsubscribe from this group, send email to
javaprogrammingwithpassion+unsubscr...@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/javaprogrammingwithpassion?hl=en
