Core Java · interview question
Given a record Order(String id, BigDecimal amount), how can you ensure the amount is never null upon creation?
Multiple choiceMediumchapter-7-curatedpremiumcore-javacode-reading-with-modern-java
Answer and explanation
Correct answer
B. Throw an exception in a compact constructor
Why
A compact constructor can be used in a record to enforce additional constraints, such as throwing an exception if the amount is null.
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