Core Java · interview question
Which practice is the safest default for managing variable scope inside methods when calculating the shipping cost?
Multiple choiceMediumchapter-1-curatedpremiumcore-javascope-and-reassignment
Answer and explanation
Correct answer
C. Use the smallest scope possible for each variable.
Why
Using the smallest scope possible for each variable limits potential errors and side-effects, making the code more maintainable and easier to understand.
Test yourself on Core Java
A free test with instant, explained results. No account needed.
More Core Java questions
- What happens if a class implements two interfaces that have methods with the same signature?
- Given the code snippet below, what will be the result of the comparison using '=='?
- Which of the following variable names is best for storing the total amount in a shopping cart?
- When does a local variable declared inside a method stop existing?
- Which of the following is a checked exception?
- Why might you choose 'int' over 'long' for storing the number of items in a small store's inventory?