Immutability Basics – Sharp: NCLEX, Java & Python

Java: Immutability Basics

What role do constructor parameters play in immutability?

Can immutable classes have mutable fields?

Why do teams use 'final' with fields in Java in production code?

How does immutability help in maintaining a customer's profile?

Why should mutable objects be avoided in immutable classes?

When should a class in an e-commerce application be made immutable?

What are the tradeoffs of using immutability versus allowing state changes?

Why is immutability important for value-like data in Java?

How would you explain a pitfall of returning mutable objects from immutable classes in an interview?

How does immutability reduce mutation bugs?