Object-oriented programming · interview question
Why should setter methods be avoided in an immutable class?
Multiple choiceMediumchapter-3-curatedpremiumoopimmutability-basics
Answer and explanation
Correct answer
B. They allow modification of the object's state.
Why
Setter methods allow modification of an object's state, which contradicts the principles of immutability. An immutable class should not allow any changes to its state after construction.
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?