Object-oriented programming · interview question
Which technique can help maintain class invariants when encapsulating fields in a Java class?
Multiple choiceHardchapter-3-curatedpremiumoopencapsulation
Answer and explanation
Correct answer
A. Using private fields with validation logic in setters
Why
By using private fields and incorporating validation logic within setters or update methods, a class can ensure that all changes adhere to its invariants, thus maintaining a consistent and valid state.
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