Troubleshooting production Java applications is a challenging task. Madhav Sathe presents a new approach to diagnose production applications by peeking into memory structures of the Java Virtual Machine.

Ajax killed the click-and-wait experience we once associated with the Web and today, Comet is eliminating the stale data-delivery associated with traditional Ajax techniques such as polling. However, based on recent progress within WebSockets in the HTML5 specification, Web developers can finally make streaming data to browsers in real-time a reality.

Ajax is perhaps the best known RIA technology today. While several implementations of Ajax have arrived, and many software projects involve the use of Ajax; there is still a lack of consistency in the approach and usage of Ajax. There is also a significant confusion regarding which Ajax toolkit should be used, and how?

Rajdeep Dua looks at the evolution of the social web and the need for OpenSocial and the OpenSocial foundation. He also covers the details of the OpenSocial APIs, Javascript, REST APIs and OAuth based Authentication. Finally he looks at what’s new in OpenSocial spec and the architecture of Shindig ( OpenSocial reference implementation )

Sidda Eraiah looks at innovations in the HTML5 specification that will forever change the direction of the Web, and one in particular – WebSocket – that is expected to revolutionize the way we develop and deploy Web applications.

Anirudh Dewani looks at What is the Google Web Toolkit (GWT)?, the GWT architecture, JRE emulation & IDE support. He also looks at GWT Modules, Optimized JavaScript, Direct Http/JSON – RPC/ Server Side Support. He develops a GWT application highlighting GWT capabilities, including its support for unit testing and internationalization.