This week's giveaways are in the MongoDB and Jobs Discussion forums. We're giving away four copies of Mongo DB Applied Patterns and 4 resume reviews from Five Year Itch and have the authors/reps on-line! See this thread and this one for details.
JVM plays complete role in any aspect related to Java, nothing specific about Serialization. And yes, the Serializable interface is required to mark the objects of the class as serializable.