All of the details I demonstrated and explained in this blog posting related to Enums being inherently Serializable are concisely described in two paragraphs of Section 1.12 (“Serialization of ...

Online references to this issue include Java HashMap.keySet return value, Bug Report 4501848, Bug Report 4756277, HashMap.Entry Not Serializable?, and Java Core APIs: private nonserializable ...

Removing serialization is one of the goals of Project Amber, Reinhold noted, which is the OpenJDK project that aims to "explore and incubate smaller, productivity-oriented Java language features that ...