Core Java · interview question
How can you ensure that a double value representing a price is displayed with a minimum of two fractional digits?
Multiple choiceMediumchapter-1-curatedpremiumcore-javaconsole-input-and-output
Answer and explanation
Correct answer
B. Use System.out.printf("%.2f", value);
Why
The 'printf' method with the format specifier '%.2f' ensures that the double value is formatted to two decimal places, which is traditional for displaying currency values in a readable manner.
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?