RIA FlexAjaxJavaJavaScriptFlash

Concept
RIA:Rich Internet Applications
Flex:
Ajax:Asynchronous JavaScript and XML
Flash plug-in:
Java plug-in:

Reference
1.articles
Integrating Macromedia Flex with Java
http://www.onjava.com/lpt/a/4357
Ajax: A New Approach to Web Applications
http://www.adaptivepath.com/publications/essays/archives/000385.php
2,website
http://www.7yue.com/archives/cat_flex.html
http://www.jroller.com/page/jackyz