Object-oriented programming · interview question
When designing an immutable class in Java, which principle should you follow to ensure encapsulation?
Multiple choiceHardchapter-3-curatedpremiumoopencapsulation
Answer and explanation
Correct answer
C. Do not provide setters for fields.
Why
To design an immutable class, do not provide setters for fields. This ensures that once an object is created, its state cannot be modified, maintaining encapsulation and protecting against unintended changes.
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