Modern Java · interview question
Consider a 'Price' value object with a BigDecimal field. Why is this a better choice than using a double for the price?
Multiple choiceMediumchapter-7-curatedpremiummodern-javavalue-objects
Answer and explanation
Correct answer
A. BigDecimal handles floating-point arithmetic more accurately.
Why
BigDecimal provides precise control over decimal arithmetic, avoiding the rounding errors associated with floating-point arithmetic. This is crucial when dealing with monetary values where precision is critical.
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