Sun releases jMaki, making AJAX widgets in Java apps easier

In a move comparable to that from Google, Sun has announced jMaki; "a simple API for embedding disparate JavaScript widgets into a Java web application".

Ben Galbraith carried the news on Ajaxian, and there's more detail on the jMaki project page on java.net. There's been quite a flurry of announcements around Java, AJAX and Web 2.0 recently, but what part does Java play in the work that readers of this site are involved in?