フリー問題

問題文

The team has agreed that every object exposes the same four operations for its application. The reviewer asks what makes that agreement worth having, and what the operations must not depend on. Which answer fits?

選択肢

1. That agreement is worth having because it gives the seasonal surface, and what those operations must never depend on is the published habit that only one caller of this application happens to need.
2. That agreement is worth having because it gives the seasonal surface, and what those operations must never depend on is the private habit that only one caller of this application happens to need.
3. That agreement is worth having because it gives the uniform surface, and what those operations must never depend on is the private habit that only one caller of this application happens to need.
4. That agreement is worth having because it gives the uniform surface, and what those operations must never depend on is the published habit that only one caller of this application happens to need.