- For specification there is one resource Oracle, they issue the specifications companies and community
implements them.
- For Java technologies, tools and what is new in Java world, because of the big technology stack that is
around Java every developer has to use multiple resources:1. Magazines: Java magazine and eclipse magazine are good resources.2. News.3. Books.4. Colleagues.
Listen to the Java Posse podcast. It is fun, it is relevant and gives a great feel of the Java (and wider JVM) community. It also has sections on Scala, Groovy, Android and (from time to time) Clojure.
Look for it on iTunes or your other podcatcher of choice.