> From: Attila Szegedi [mailto:[EMAIL PROTECTED]]
>
> The other infinitely lame thing in Sun's JDK collections
> implementation is
> an explicit call to method named RangeCheck() in all
> ArrayList accessors.
> Basically, it looks like this
>
> public Object get(int index) {
> RangeCheck(index);
> return elementData[index];
> }
>
> and RangeCheck looks like
>
> private void RangeCheck(int index) {
> if (index >= size || index < 0)
> throw new IndexOutOfBoundsException(
> "Index: "+index+", Size: "+size);
> }
>
> So, we have an EXPLICIT range check and exception throw EVEN
> if we access
> the list through an iterator (since it also calls get()).
>
> If only they had implemented it as
>
> public Object get(int index) {
> try {
> return elementData[index];
> }
> catch(ArrayIndexOutOfBoundsException e) {
> throw new IndexOutOfBoundsException(
> "Index: "+index+", Size: "+size);
> }
> }
>
> it would be much saner...
>
I think you are missing the fact that "size" is not necessarily equal to
"elementData.length" hence you need to do the check.
Jose Alberto
> Just ranting...
> Attila.
>
>
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