Hi Oliver, Oliver Heger wrote:
> Hi Rainer, > > Am 27.04.2016 um 21:22 schrieb Rainer Hirschmiller: >> Hi. >> >> I wonder why AbstractConfiguration::getArray(cls, key) returns a single >> object, not an array of objects? Can somebody explain why the caller >> have to make an explicit cast? >> >> e.g. >> AbstractConfiguration &configuration = ....; >> >> Object obj = configuration.getArray(String.class, "key); >> // expected Object[] obj = configuration.getArray(String.class, "key); >> > > the explanation can be found in the Javadocs of the ConversionHandler > interface which is used behind the scenes. Citing from the docs of the > toArray() method: > > "Note that the result type of this method is Object; because this method > can also produce arrays of a primitive type the return type Object[] > cannot be used." That does not explain, why the method is not declared using generics: public <T> T[] toArray(Class<T> cls, String key); Cheers, Jörg --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@commons.apache.org For additional commands, e-mail: user-h...@commons.apache.org
