JavaServer Faces (JSF) is an exciting new technology that will change the way we build user interfaces for Java 2 Enterprise Edition applications. With the introduction of JSF, we can finally create user interfaces simply with a set of reusable components. And with a component-based framework, Web applications are finally on a more level playing field with client-based User Interface (UI) frameworks such as Swing. Now, Web developers will be able to use and reuse components off the shelf in their applications so we will see tool support and components implemented for JSF
