Generic: strange wildcard behavior?

F

floppa3222020-07-06 21:09:21

Java

floppa322, 2020-07-06 21:09:21

Good evening everyone.
The stateCache array contains <? extends S> objects, however the array element 's getClass() method returns <? extends Object > what's the matter?

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1 answer(s)

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Sergey Gornostaev, 2020-07-06
@Lite_stream

Erasing types. About it is in any textbook that touches on the topic of generalizations.

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