Variance: Covariance, Contravariance, Invariance
Variance is one of those type system concepts that developers encounter constantly but rarely name explicitly. Every time you’ve wondered why you can’t assign a List<String> to a List<Object> in…
Variance is one of those type system concepts that developers encounter constantly but rarely name explicitly. Every time you’ve wondered why you can’t assign a List<String> to a List<Object> in…