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About the Authors

Jaroslav Holaň is a skilled and creative Sun Certified Java Programmer. His main focus of interest is on frontend applications. He has experience with web technologies such as Vaadin, GWT, Rich Faces, JSF, and has also created desktop applications in Eclipse SWT and JFace. He has worked on various software projects, ranging from banking systems to mobile applications. He is mainly focused on Java, but is open to other languages and technologies. When he's not programming, he's dealing with magic tricks. You can find him on http://twitter.com/JaroslavHolan.

I would like to thank Ondrej, for his excellent cooperation on this book. His enormous enthusiasm was very motivating. I thank him that I could participate in this work. I also thank the Packt Publishing team for their patience and help with the publication of the book. Especially Mary Nadar for her help with the beginning of writing and Anish Ramchandani and Azharuddin Sheikh with the completion of the book. Also, the reviewers' comments were very helpful. Thank you all for your useful advices.

Ondřej Kvasnovský is currently working as a Senior Java Developer in pricing the business for an American company, Vendavo. Ondrej has spent six years in a large international company working mainly for the banking industry in Scandinavia as a Java Programmer, Project Manager, and Manager.

Ondrej's biggest free time interest is working on the Grails plugin for Vaadin (see http://vaadinongrails.com) and participation on projects using the Vaadin and Grails frameworks.

He, together with other people, is taking care of the organization of the Java User Group in Ostrava, Czech Republic.

Ondrej can be found on LinkedIn at http://cz.linkedin.com/in/kvasnovskyondrej, his public projects on Github can be found at https://github.com/ondrej-kvasnovsky, and his blog on http://ondrej-kvasnovsky.blogspot.com.