What about this solution
public class Test {
abstract class A{
}
class B extends A{
}
ArrayList<A> list;
void addAll(ArrayList<? extends A> list) {
for(A a: list) {
addElement(a);
}
}
void addElement(A element) {
list.add(element);
}
}
Does it suit you?
On Tue, Jul 22, 2008 at 2:08 AM, Lachlan Deck <[EMAIL PROTECTED]>
wrote:
> On 22/07/2008, at 7:41 AM, Simon McLean wrote:
>
> one of the things that frustrates me about generics is working with
>>>> collections.
>>>>
>>>
>>> Just that one? Generics are the worst thing since Windows 3.11 ... I try
>>> to keep my code clean and add generics where they make sense but I hate
>>> them. There is absolutely NO GAIN in using them, just annoyance.
>>>
>>
>> how about being able to do this :-
>>
>> myarray.objectAtIndex(i).getMyKeypath();
>>
>> without having to do a cast ?
>>
>> i luuuuuurrrve generics!
>>
>
> Yeah, but it's implementation in Java sux.
>
> Example:
> NSMutableArray<? extends Foo> foos; // no problem
>
> foos = new NSMutableArray<? extends Foo>(); // can't compile
>
> Just stupid.
>
> with regards,
> --
>
> Lachlan Deck
>
>
>
>
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--
Cheers, Michael
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