I am now working on updating the syllabus of the android applications development course I am going to start next month in HIT. I have just completed the initial update in according with Android 4.0 additions. In the meantime, I hope you enjoy the video clip below.

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.