Enum class should have a tag

[nus-pe-bot]

Note from the teaching team: This bug was reported during the Part II (Evaluating Documents) stage of the PE. You may reject this bug if it is not related to the quality of documentation.

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GradeEnum does not have the UML enum tag to show that it is an enum. If it's a normal class, then probably don't name it Enum.

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_{[original: nus-cs2103-AY2021S2/pe-interim#3150] [original labels: severity.Low type.DocumentationBug]}

[yutingzou]

Team's Response

Dear responder, thank you for highlighting this issue.

Duplicate status (if any):

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