hg: jdk8/tl/jdk: 8001642: Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong

Brian Goetz brian.goetz at oracle.com
Thu Mar 28 15:34:23 UTC 2013

> Has the optional classes been verified to serialize/deserialize correctly?
They are not serializable.  
> Finally, are these utilities critical to some other part JDK 8 that they were pushed out now as opposed to JDK 9?
They are part of the libraries being added by JSR-335 / Project Lambda.  There is extensive discussion on Optional on lambda-dev and the JSR 335 EG lists.  

More information about the core-libs-dev mailing list