Core Java · interview question
Which statement correctly calculates the total number of items in a shopping cart?
Multiple choiceMediumchapter-1-curatedpremiumcore-javaloops-and-iteration
Answer and explanation
Correct answer
C. TotalItems = cart.length;
Why
In Java, the length of an array is accessed using 'array.length'. This gives the total number of elements in the array, which represents the number of items in the shopping cart.
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?