As the Internet is becoming a preferred platform for software application deployment, it is now critical for the software developers to learn the tools and techniques necessary in developing distributed Web-based applications. In recent years, Java 2 Enterprise Edition (J2EE) is gaining wider acceptance over the competing specifications--CORBA and DCOM.
In this tutorial, we will introduce J2EE and describe its major components. We willintroduce Java servlets, Java Server Pages (JSP), and Enterprise JavaBeans (EJB) with sample code. We will discuss different ways of constructing web-based applications using these components. A small sample application will be used throughout the tutorial as an illustration. '