Additional Notes
What does an object reference give you?
Track: Java
Topic: OOP
Focus: Object References
Java: Object References
Answer
A link from one object to another object in the model.
A `CartItem` can point to a `Product` instead of copying every product detail into loose variables. That helps the code express relationships directly and prepares the project for richer domain models.
A `CartItem` can point to a `Product` instead of copying every product detail into loose variables. That helps the code express relationships directly and prepares the project for richer domain models.
Topics: Java Object References OOP