sebb wrote: > On 12 October 2010 10:06, Jörg Schaible <joerg.schai...@gmx.de> wrote: >> Hi Simone, >> >> Simone Tripodi wrote: >> >>> Hi all mates, >>> please help me, even if I temporary fixed the compiler issue, I didn't >>> understand why >>> >>> <K,V> void prefill(final KeyedObjectPool<K,V> keyedPool, final K >>> key, final int count) throws Exception, IllegalArgumentException >>> <K,V> void prefill(final KeyedObjectPool<K,V> keyedPool, final >>> Collection<K> keys, final int count) throws Exception, >>> IllegalArgumentException >>> >>> when using Object as K so problem is represented. Please help me >>> understand because it's driving me crazy. >>> I noticed Eclipse ignores it, javac from command line not... >>> >>> Many thanks in advance for saving my mental health :) >>> Simo >> >> You cannot trust the Eclipse compiler when using generics. It is a lot >> smarter then Sun's javac. Collection is an Object and therefore Sun's >> compiler does not know for if it should use the method with K or >> Collection<K> if that parameter is an collection of objects :-/ > > Is there a solution to this ambiguity, apart from renaming one of the > methods?
Sometimes it is possible to resolve the ambiguity by calling the method with explicit generic parameter: foo.<X>method(); Depends on the case though. - Jörg --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org For additional commands, e-mail: dev-h...@commons.apache.org
