This was added a couple of years ago https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Record.html https://docs.oracle.com/en/java/javase/1

This was added a couple of years ago https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Record.html https://docs.oracle.com/en/java/javase/17/docs/api/java.base.... I was thinking that would make it possible to create unmodifiable data objects using that (and not Object as base class).