Using covariant returns when overriding a method. (enthuware.ocajp.i.v8.2.1145)

In this video we are asked which methods correctly override the method in the parent class. Covariant returns, where we return a subtype in the overriding method applies; providing you are returning a type and not a primitive. In addition, you must not reduce the visibility of the method when overriding.

Видео Using covariant returns when overriding a method. (enthuware.ocajp.i.v8.2.1145) автора Гиковская Вечеринка