Core Java · interview question
Which of the following expressions correctly calculates the new price after a 20% discount on a product?
Multiple choiceMediumchapter-1-curatedpremiumcore-javaoperators-and-expressions
Answer and explanation
Correct answer
C. Price * 0.80
Why
To apply a 20% discount, you calculate 80% of the original price, which is done using 'price * 0.80'.
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?