Core Java · interview question
Why split checkout math into named values like subtotal, discountAmount, and finalTotal instead of writing one long expression?
Multiple choiceMediumchapter-1-curatedpremiumcore-javaoperators-and-expressions
Answer and explanation
Correct answer
D. It makes the logic easier to read, trace, and debug
Why
Named intermediate values make business logic easier to inspect. They also create checkpoints for debugging, which is especially useful when a final checkout total looks wrong.
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