Op 11/02/2011 18:05, Michael Niedermair schreef:
> Hi Bruno,
>
> I have a suggestion about Paragraph and Phrase.
> It were nice, if a new Constructor exists, which set the init size of
> the ArrayList.
This is a suggestion that should be posted to the mailing list.
Personally, I don't see the value of such an extra constructor. When I
use Phrase or Paragraph, there's absolutely no way to know the size of
the List in advance. If you have a controlled environment where you do,
you could extend the classes and use that specific subclass.
>
> e.g.
> public Paragraph(int initialCapacity) {
> super(initialCapacity));
> }
>
> public Phrase(int initialCapacity) {
> super(initialCapacity));
> }
>
> // change
> public Phrase() {
> this(16.0f);
> }
>
> The problem is, that the default init size is 10. Each time, I arrive
> the limit, the size is increasing.
>
> newCapacity = (oldCapacity * 3)/2 + 1
> elementData = Arrays.copyOf(elementData, newCapacity);
>
> 10 .. copy array,
> 16 .. copy array
> 25 .. copy array
> 38 .. copy array
> 58 .. copy array
> an so on.
>
> If I add a lot of text (e.g. from a file, line by line) the arraylist
> copy the array and copy the array and so on.
> The init size set by the user can solve the problem with array copy.
>
> By
> Michael
>
>
>
>
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