Data Oriented Programming, Beyond Records

[Brian Goetz]

> AFAIK `final class Point2D(int x, int y) {}` does not work? You need 
> the following:
>
> ```java
> class Point(int x, int y) {
>     private final component int x;
>     private final component int y;
> }
> ```
> So that's the benefit. No need to specify the fields a second time.
>

If you want it to be equivalent to the record declaration, you also have 
to make the class final (and extend Record.)
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