一个关于封装的小问题， 下面哪个/些关键字与封装相关？7. Which of the following C++ keyword(s) is(are)
一个关于封装的小问题， 下面哪个/些关键字与封装相关？ 7. Which of the following C++ keyword(s) is(are) related to encapsulation? (下面哪个/些关键字与封装相关？) A. virtual B. void C. interface D. private E. all of the above
