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Apache Click is a page and component oriented web application framework for the Java language and is built on top of the Java Servlet API. It is a free and open-source project distributed under the Apache license and runs on any JDK installation (1.5 or later). Click graduated into an Apache top-level project in November 2009. The project was retired in May 2014.〔(【引用サイトリンク】url=http://attic.apache.org/projects/click.html )〕 ==Overview== The main design goals are simplicity, ease of use, performance and scalability. To achieve these goals Click leverages an intuitive page and component oriented design. Pages and components provide good encapsulation of web concepts and enables rapid application development. Click takes a pragmatic approach and expose few abstractions to learn and understand. The Java Servlet API is fully exposed to the developer which eases the upgrade path from an action based framework to a component based one. Pages and components are developed in Java while templates can be written in Velocity, FreeMarker or JSP. Components know how to draw themselves alleviating developers from maintaining redundant markup. A major difference between Click and other component oriented web frameworks is that Click is stateless by design, although stateful pages are supported. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Apache Click」の詳細全文を読む スポンサード リンク
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