We can easily generate comments for the variables/functions/types we define in Zend Studio. We just need to mark with our mouse the variable/function/type we want to comment and press CTRL + Shift + J.

Stable Values in Java (JEP 502): Deferred Immutability with JVM Trust
Explore Stable Values – a new Java 25 upcoming feature (JEP 502) enabling lazy initialization with immutable performance and JVM-level optimizations.