There’s a special name for it, but I can’t remember what it is. There are two different terms, one for casting an array of a subclass to an array of its superclass, and the other way around.
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There’s a special name for it, but I can’t remember what it is. There are two different terms, one for casting an array of a subclass to an array of its superclass, and the other way around.
Array Upcasting and Array Downcasting.
EDIT: Covariance and Contravariance is ability to treat certain types as same or not the same depending on composition and inheritance semantics. This has nothing to do with casting arrays, which just happen to be one case where co-variance comes into play.