I have recently created three video clips that explain various topics related to operators in Scala. These three video clips are available as part of the ‘Scala Fundamentals’ course, which is available for free personal and academic usage at www.abelski.com.

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.