Oracle
1Z0-807 · Question #19
1Z0-807 Question #19: Real Exam Question with Answer & Explanation
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Question
You are designing a new subsystem to store and scratch for user commands in a fashion company's website. On class, CommentManager, is responsible for accessing comment data and providing read- only access to other objects in the subsystem. Which two implementation details are necessary for the Cementmanager class?
Options
- AThe storage mechanism implemented in CommentManager must be private to CommentManager.
- BAll the accessor and mutator methods in CommentManager must have the static modifier in their
- CThe comments must be assessable directly only within CommentManager.
- DCommentManager should be a singleton object.
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