Object-oriented programming · interview question
In a well-encapsulated class, why might a method be preferred over a setter for updating a field?
Multiple choiceHardchapter-3-curatedpremiumoopencapsulation
Answer and explanation
Correct answer
C. Methods can enforce complex business rules
Why
Using methods instead of setters allows for the enforcement of complex business rules or validation logic before updating a field, enhancing the class's ability to maintain valid state.
Test yourself on Object-oriented programming
A free test with instant, explained results. No account needed.
More Object-oriented programming questions
- Why does declaring a method as 'final' in a superclass change runtime behavior?
- Why might a developer choose to use a 'restock' method rather than a public setter for inventory?
- How do unmodifiable views differ from defensive copies in protecting internal collections?
- In an e-commerce application, what is the advantage of using a 'processOrder' method in a Product class?
- Which statement is true about interfaces in Java?
- Why are public mutable fields risky in a store model?