Additional Notes
How would you explain the real point of controlled mutation in an interview?
Track: Java
Topic: OOP
Focus: Controlled Mutation
Java: Controlled Mutation
Answer
State changes happen through meaningful methods that can enforce rules.
A method like `reserve(...)` or `restock(...)` says what business action is happening and gives the class a chance to reject invalid updates before the state changes.
A method like `reserve(...)` or `restock(...)` says what business action is happening and gives the class a chance to reject invalid updates before the state changes.
Topics: Controlled Mutation Java OOP