API Evolution · interview question
What does subtracting one month from March 31 using java.time.LocalDate evaluate to?
Multiple choiceMediumchapter-12-curatedpremiumapi-evolutionmodern-date-and-time
Answer and explanation
Correct answer
C. February 28 (or 29 in a leap year)
Why
Subtracting one month from March 31 navigates to the last valid day in February, which is either February 28 or 29, depending on whether it's a leap year.
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