Core Java · interview question
When converting a double representing a price to BigDecimal, which constructor should you avoid?
Multiple choiceMediumchapter-1-curatedpremiumcore-javanumeric-types-and-money-basics
Answer and explanation
Correct answer
B. New BigDecimal(doubleValue)
Why
Using new BigDecimal(double) can cause precision issues because it takes the binary floating-point value directly. It's recommended to use BigDecimal.valueOf(double) or convert the double to String first.
Test yourself on Core Java
A free test with instant, explained results. No account needed.
More Core Java questions
- In a console shopping cart application, why might you separate input handling from calculations?
- What happens if a subclass does not implement an abstract method from its superclass?
- Why would you choose to use a switch statement instead of multiple if-else statements for handling order status?
- Which part of the following code is responsible for avoiding an off-by-one error?
- Why can using overly complex methods in an e-commerce application become a problem in production code?
- How can a class implementing an interface with a default method call that method from within an overridden method?