Additional Notes
Why does reference vs copied data matter?
Track: Java
Topic: OOP
Focus: Object References
Java: Object References
Answer
Reference vs copied data determines if objects share the same data or have independent copies.
Understanding the difference helps avoid unintended modifications. If two CartItems hold references to the same Product, a price change in one affects the other. Copying data instead of sharing references can prevent this.
Understanding the difference helps avoid unintended modifications. If two CartItems hold references to the same Product, a price change in one affects the other. Copying data instead of sharing references can prevent this.
Topics: Java Object References OOP