Additional Notes
Why is it a problem if a class has many public fields?
Track: Java
Topic: Core Java
Focus: Code Reading and Refactoring to Objects
Java: Code Reading and Refactoring to Objects
Answer
Public fields expose internal state, risking data inconsistency.
Public fields can be modified freely, leading to inconsistent states and bugs. Instead, use private fields with public methods to safely manage state changes, such as a `ShoppingCart` controlling access to its product list.
Public fields can be modified freely, leading to inconsistent states and bugs. Instead, use private fields with public methods to safely manage state changes, such as a `ShoppingCart` controlling access to its product list.
Topics: Code Reading and Refactoring to Objects Core Java Java