Java developers have spent decades working with a basic assumption about objects: every object has its own identity. Now, OpenJDK developers are preparing to loosen that rule with JDK 28.

Java 25 integrates Compact Object Headers as a product feature through JEP 519, offering developers a potential 30% CPU reduction and significant memory savings without requiring any code changes. The ...

JEP 401, integrated into JDK 28, introduces value objects. These new class instances feature final fields, altered behavior ...