XOM API for Processing XML with Java

[Elliotte Rusty Harold <elharo AT metalab.unc.edu>]

At 2:58 PM +0200 4/13/04, luca wrote:
> Hallo, I needed to manipulate the OM this time :)
>
> I am using this code to copy an element to be appended somewhere else:
>
> Element new_element = (Element)someElementList.get(k).copy();
>
> I understand that I could use:
>
> Element new_element = new Element(someElementList.get(k));
>
> is there any reason to prefer one over the other performance or semantic-wise?

The second one avoids the cast, but otherwise one just calls the 
other. However, the copy() method has the option in a subclass to 
return an instance of the subclass instead of a pure Element. I doubt 
performance is an issue.


--

  Elliotte Rusty Harold
  elharo AT metalab.unc.edu
  Effective XML (Addison-Wesley, 2003)
  http://www.cafeconleche.org/books/effectivexml
  http://www.amazon.com/exec/obidos/ISBN%3D0321150406/ref%3Dnosim/cafeaulaitA