Java – Page 299 – Sharp: NCLEX, Java & Python

Java: Code Reading and Refactoring to Objects

How would you explain a common mistake when refactoring procedural scripts into objects in an interview?

How would you explain an invariant in object design in an interview?

Why is it a problem if a class has many public fields?

How can immutability enhance object safety?

How does encapsulation benefit an e-commerce class design?

Why is using private fields in Java classes important?

What are the risks of setter-heavy designs?

How can immutability enhance thread safety?

How would you explain a common mistake when exposing collections in a class in an interview?

What does encapsulation achieve in object-oriented design?