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Do Java 6 threading optimizations actually work?
Features like biased locking, lock coarsening, lock elision by escape analysis and adaptive spin locking are all designed to increase concurrency by allowing more effective sharing amongst application threads. But do they actually work? In this two part article, Jeroen Borgers explores these features and attempt to answer the performance question with the aid of a single threaded benchmark.
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Book Excerpt and Review: Filthy Rich Clients - Developing Animated and Graphical Effects for Desktop Java Applications
Desktop Java developers have long lacked resources on pushing the graphical appearance of their applications. The new book Filthy Rich Clients: Developing Animated and Graphical Effects for Desktop Java Applications attempts to fill this void. InfoQ is privileged to provide both a review and an excerpt of Chapter 14 detailing the Timing Framework library that makes Java animation easier.
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Annotation Hammer
Annotations in Java 5 provide a very powerful metadata mechanism. Yet, like anything else, we need to figure out where it makes sense to use it. In this article we will take a look at why Annotations matter and discuss cases for their use and misuse.