Error using toList() of Collectors
Venkat Subramaniam
venkats at agiledeveloper.com
Thu Jan 10 09:28:55 PST 2013
That failed with other errors, I will standby for further implementation...
Thanks,
Venkat
On Jan 10, 2013, at 10:21 AM, Maurizio Cimadamore <maurizio.cimadamore at oracle.com> wrote:
> On 10/01/13 18:12, Venkat Subramaniam wrote:
>> Hello everyone,
>>
>> I'm trying to use the new Collectors class.
>>
>> List<Integer> numbers = Arrays.asList(1, 2, 3);
>>
>> //This works
>> List<Integer> numbers1 = numbers.stream()
>> .collect(toCollection(ArrayList<Integer>::new));
>> //This does not
>> List<Integer> numbers2 = numbers.stream()
>> .collect(toList());
>>
>> /*
>> error: incompatible types: inferred type does not conform to upper bound(s)
>> .collect(toList());
>> ^
>> inferred: List<Object>
>> upper bound(s): List<Integer>,Object
>> 1 error
>> */
>>
>> Is this the expected behavior or am I missing something quite basic here?
>>
>> Thanks,
>>
>> Venkat
>>
>>
> Nested generic method calls support is not fully ready (yet). If you compile with -XDuseGraphInference it should work (do at your own risk ;-)).
>
> Maurizio
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