If you are new to servlets, use these resources to get started with servlet programming. If you have more advanced servlet programming skills, you may find these resources to be valuable aids to your programming.
The J2EE Tutorial: Java Servlet Technology
http://java.sun.com/j2ee/tutorial/1_3-fcs/doc/Servlets.html
This tutorial from JavaSoft is a good introduction to servlet programming.Sun Microsystems Java(TM) Servlets Web site
http://java.sun.com/products/servlet/index.html
The home for Java servlets, this Web site offers product information, technical resources, downloads and specifications, and news and articles that pertain to servlets.Java(TM) Servlet API 2.3
http://java.sun.com/products/servlet/download.html
WebSphere Application Server - Express implements JavaSoft's Java Servlet API 2.3 Application Programming Interface (API). To view the servlets Javadoc, download and install the Java Servlet Development Kit (JSDK) 2.3 on your workstation (see the link above).WebSphere Development Studio for iSeries
http://www.ibm.com/software/ad/wds400/
This site provides information and resources for WebSphere Development Studio for iSeries.