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Java syntax did not change that much since late `90s :)

Not extremely much - but there are considerable changes that any up-to-date Java developer should know, specifically referring to Java 6 and 7. There's also a bit of a mindset change from a 90s Java developer to a "2013" Java developer, such as a desktop-centric approach to a stateless web app approach.

Very true ... JavaEE is dramatically different that J2EE. The emphasis on POJOs and inclusion of a CDI system allows the same functionality with dramatically less code.

> stateless web approach

It is not something the author should care about, because it's very new with uncertain future. Most likely he will find a job on some typical Java codebase(standard approach to concurrency problems).

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