Core Java · interview question
Which Scanner method is best for reading a price input as a floating-point number in a console-based e-commerce application?
Multiple choiceEasychapter-1-curatedpremiumcore-javaconsole-input-and-output
Answer and explanation
Correct answer
C. NextDouble()
Why
The nextDouble() method is designed to read input as a double type, which is suitable for prices that require decimal points.
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?