Project Amber has brought a number of new features to Java in recent years. While each of these features is self-contained, they are also designed to work together, enabling data-oriented programming.

Java 16 Stream API provides new methods for commonly used terminal operations and help reduce boilerplate code clutter Record is a new Java 16 language feature to concisely define data-only classes.

It's not very restrictive. However, rules are different from conventions. Java naming conventions for variables, methods and reference types are where things get a little more complicated. For example ...

Java 24 arrived today in a production release, packed with two dozen features. It’s a short-term support release eligible for six months of premier support.