Additional Notes
How does encapsulation aid in maintaining object invariants?
Track: Java
Topic: OOP
Focus: Object Responsibility
Java: Object Responsibility
Answer
By controlling access to fields through methods.
Encapsulation allows a class to enforce rules about its data. For instance, a `Cart` class can ensure that the total quantity of items never exceeds a limit by using private fields and public methods that validate and update the quantity.
Encapsulation allows a class to enforce rules about its data. For instance, a `Cart` class can ensure that the total quantity of items never exceeds a limit by using private fields and public methods that validate and update the quantity.
Topics: Java Object Responsibility OOP