フリー問題

問題文

Which requirement does the compiler place on a method that can throw a checked exception?

選択肢

1. The compiler unconditionally demands explicit handling, and the same demand is absent for recoverable failures inside this method.
2. The compiler unconditionally demands explicit documentation, and the same demand is absent for recoverable failures inside this method.
3. The compiler unconditionally demands explicit handling, and the same demand is absent for runtime failures inside this method.
4. The compiler unconditionally demands explicit documentation, and the same demand is absent for runtime failures inside this method.