资源名称：Book of Vaadin 第四版 英文pdf

Vaadin is a server-side AJAX web application development framework that enables developers to build high-quality user interfaces with Java. It provides a library of ready-to-use user interface components and 
a clean framework for creating your own components. The focus is on ease-of-use, re-usability, extensibility, and meeting the requirements of large enterprise applications. Vaadin has been used in production since 2001 and it has proven to be suitable for building demanding business applications. 

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