The combination of Eclipse, DB2�� Express-C, and WebSphere�� Application Server Community Edition -- all free to download, use, and deploy -- is an excellent from-prototype-to-production suite for all of your Java��� and Java enterprise development needs. What might not be obvious is the relative ease with which you can use these proven tools to create, test, and deploy cutting-edge lightweight applications as well. This tutorial guides you through the development of a small human-resources application, first using conventional JavaServer Pages (JSP) based technology, and then migrating it to a highly interactive solution using Ajax.