OOP – Page 36 – Sharp: NCLEX, Java & Python

Java: Controlled Mutation

How do meaningful update methods improve code?

What role do invariants play in class design?

Why can unrestricted setters become risky in production code?

Why can not providing a default constructor become a real problem?

What design pattern uses private constructors?

Why does a constructor setting default values change runtime behavior?

Why is a constructor crucial in creating a complete object?

What are the pitfalls of not using constructor parameters to initialize fields?

How would you explain the real point of controlled mutation in an interview?

Why is encapsulation crucial in Java?