Core Java · interview question
Which of the following variable names is the most appropriate for storing a discount rate as a decimal?
Multiple choiceMediumchapter-1-curatedpremiumcore-javavariables-and-data-types
Answer and explanation
Correct answer
B. DiscountRate
Why
A good variable name should be descriptive and indicative of its purpose. 'discountRate' is clear and self-explanatory, unlike 'disc', 'dr', or 'rateOfDiscount', which are either vague or unnecessarily long.
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