フリー問題

問題文

Which requirement applies to every class named in a permits clause?

選択肢

1. Each listed type must sit inside the enclosing module, and it must itself declare one marker anchor explicitly here.
2. Each listed type must sit inside the enclosing module, and it must itself declare one sealing decision explicitly here.
3. Each listed type must sit inside the wide package, and it must itself declare one marker anchor explicitly here.
4. Each listed type must sit inside the wide package, and it must itself declare one sealing decision explicitly here.