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• alkonaut 2y ago
  The field is final, not it’s contents. It’s not a ”final list” on that field, it’s a (mutable) list that is the final assignment of a field. Mutability or immutability is part of the type not the field so you have 4 combinations in total List<T> list; final List<T> list; final ImmutableList<T> list; ImmutableList<T> list; And that’s not even considering whether each T in the list is mutable or not.