Reasons and advantages for upgrading to Java 6 for a non-technical decider (at the client)

Question

I\'d like to upgrade from Java 5 to Java 6. We all know about the technical advantages and benefits, but:

I have the problem that a major client refuses to upgrade f

Answer 1

Staff recruitment/retention becomes an issue if the application is seen to be old fashioned. Developers do not usually want to stick around if they see no progression.