Great, thank you!
On Wed, Oct 7, 2009 at 11:13 AM, Paul Andrews <p...@ipauland.com> wrote: > > > Baz wrote: > > > > > > Hi, > > > > I have an ArrayCollection of custom objects, and I need to create a > > subset of those custom objects based on a condition (without using the > > built-in filter() functionality). I am thinking of storing that subset > > in a second array, but that is not mandatory - performance is key in > > this piece of the app. If I did use a second array, how light-weight > > would it be, are arrays extremely effecient constructs in general? > > Also, in terms of the custom objects, I believe that they would all be > > linked by reference, and not duplicated in the second array - is this > > correct, and does that make the array basically the same as if it were > > storing simple integers? Overall, is this the most effecient way of > > getting a subset of an array? > > All objects are accessed by reference and essentially your proposed > array would be an array of pointers, so it's about as lightweight as it > can get. > > Paul > > > > Thanks! > > > > > > > > > > > > >
