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| Ans. NUMBER_OF_DAYS_IN_MONTH_31 Constant should be such that it uniquely identifies the value it holds and context of the value. THIRTY_ONE uniquely identifies the value but doesn't express the context. NUMBER_OF_DAYS_IN_MONTH expresses the context but doesn't specify the value clearly as different month can have different number of days. | ||||
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 Discuss Correct / Improve  constant variables static final variable java conventions java naming conventions | ||||
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