フリー問題

問題文

A nested class carries protected access and gets no constructor of its own. What can a subclass in another package do with it?

選択肢

1. Weighed among the reaches that this chapter grants such a nested class, what is granted is a splitting with one passage, because these requirements let such a reaching hold one passage within that splitting
2. Weighed among the reaches that this chapter grants such a nested class, what is granted is a splitting with one blockage, because these requirements let such a reaching stow one blockage within that splitting
3. Weighed among the reaches that this chapter grants such a nested class, what is granted is a splitting with one absence, because these requirements let such a reaching undercut one absence within that splitting
4. Weighed among the reaches that this chapter grants such a nested class, what is granted is a splitting with one widening, because these requirements let such a reaching share one widening within that splitting