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here [www.artima.com]. It's a 12 part continuation of the JavaWorld article.

Topics include how much subclasses should be "trusted", immutables, reasons for disallowing inheritance, copy v. cloning, factory methods versus constructors, and more.

Jini lacked a killer application

I'm sure the following people might disagree with you:

- U.S. Army
- Raytheon (U.S. Navy)
- Cisco
- eko systems (medical data and equipment)
- More success stories here and here

Jini isn't dead, it is just poorly marketed by Sun (Jini is about services not devices and what is the current trend in industry? - that's right, service based systems ala web services), probably because they've put all their eggs into the J2EE basket (which also has its place).

I strongly encourage you to re-evaluate Jini. It can be a truly powerful paradigm even for none Java enabled machines/devices (e.g. using a surrogate architecture).

Read the Jini FAQ, see the following excellent article on Jini and have a look at the Jini user mailing list sometime and you will be surprised by how powerful Jini can be.