NOVELL: Java, J2EE, JSP, Servlet, EJB

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Java and J2EE provide developers with the programming environments they need to develop enterprise applications.

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Java

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Java/J2EE What is Java? A programming language, an enterprise platform, or simply a plaything for geeks across the land. Well it depends on who you talk to and how you use it. Java has matured greatly since its grand entrance and its promises of WORA. Sun Microsystems with its Java 2 release has introduced many enhancements and has finally cleared up the many different versions of Java. Novell exteNd is built on top of Java 2 Enterprise Edition which is the standard for building distributed enterprise applications today. Rumble in the jungle: J2EE versus .Net, Part 1 Securing J2EE 1.2 Applications J2EE Packaging and Class Path Dependencies Javamail Quick Start What is the difference between EJB and JSP sessions? J2EE Components for the Real World Sun Java Center J2EE Patterns Tuning Garbage Collection with the 1.3.1 Java Virtual Machine The J2EE Tutorial The Java Message Service Learning Polymorphism and Object Serialization Controlling Package Access Sun readies latest model of J2EE JDBC 2.0 Fundamentals Calculating Java dates The many interfaces of Java Directory Assistance for Java JavaBeans 101, Writing a Simple JavaBean Accessing Data with JDBC in a J2EE World Unraveling Java Terminology The Bibles of Our Industry Why Thread Pools are Important in Java An update on JAXP Java Translets: compiled XSLT Adelard, one year later Using Swing Menus in SilverStream Forms A look inside the Java Community Process Microsoft vs. Sun No ruling in Java hearing Blackdown releases JDK 1.2.2 RC4 for Linux Chat Transcript from the J2EE product manager and architect So what are inner classes good for anyway? JSP & Servlets The JavaServer Pages technology provides a simplified, fast way to create dynamic web content. Using the Model View Controller, developers can build modular applications separating business logic from presentation. The JSP technology enables rapid development of web-based applications that are server and platform independent. The Java Servlet API is a Standard Extension to the Java platform that provides web application developers with a simple consistent mechanism for extending the functionality of a web server. A servlet can almost be thought of as an applet that runs on the server side -- without a face. Novell exteNd 3.0 currently implements the Servlet 2.1 API. Getting Started with Servlet Programming Web Application Development with JSP and XML JSP Best Practices JSP Security Email Web Application Using JSP Tag Libraries Creating a DataView with Struts and JSP JSP Part I - Benefits Buffered Output and Session Management Putting Up a Good Front: Tag Libraries Process JSPs effectively with JavaBeans Strut your stuff with JSP tags Hans Bergsten's Top Ten JSP Tips A JavaScript Framework for JSPs Solve your servlet-based presentation problems Sun's JSP Tag Libraries Reference Encapsulate reusable functionality in JSP tags JavaServer Pages: A Developer's Perspective Using XML and JSP together Internationalize JSP-based Websites Servlet Essentials by Steven Zeiger Java Servlet API - The Power Behind the Server EJB Enterprise Java Beans are the basic components of an architecture that allows developers to create objects that precisely model the structure and logic of a business application domain. The system-level details of building the distributed application are abstracted out, enabling domain experts to be developers who freely focus on solving business problems. By fully complying with the Sun Enterprise JavaBeans Specification, the Novell exteNd Application Server rewards bean developers with all of the benefits that standardization offers. Using Beans for Novell Services with CodeWarrior Using Selectors with Message-Driven Beans What's New in EJB 2.1 Integrate EJBs with CORBA 12 Tips for Better EJB Performance EJB 2.0 Entity Model (Ch. 5 in Professional EJB) Creating Commercial Components Designing Entity Beans for Improved Performance Making EJBs Flexible with Environment Entries Applying Enterprise JavaBeans Make an EJB from any Java Class with Java Reflection Taking Control with Bean-Managed Transactions Reduce EJB network traffic with astral clones J2EE and EJB Container-Managed Transactions Container-Managed vs. Bean-Managed Entity Beans Programming restrictions on EJB EJB Technology Fundamentals Entity Beans As Domain Objects Test infect your Enterprise JavaBeans Read all about EJB 2.0 EJB Tutorial How to write EJB 1.0 beans to port to EJB 1.1 Servers

	standards & specifications


Java - The Java Platform provides a comprehensive, end-to-end architecture for building and deploying network-centric applications for the enterprise and consumer: Java 2 Platform, Enterprise Edition (J2EE) is full-featured edition of the Java 2 platform that extends mission critical enterprise applications to any web browser. The Java Platform, Enterprise Edition combines a number of previously announced technologies in one architecture with a comprehensive Application Programming Model and Compatibility Test Suite, and significantly reduces the complexity and cost of developing networked applications.

JSP - JavaServer Pages is the Java platform technology for building applications containing dynamic Web content such as HTML, DHTML, XHTML and XML. The JavaServer Pages technology allows you to write Web pages that create dynamic content as easily as possible but with maximum power and flexibility.

Servlet - Java TM servlets are small, platform-independent Java programs that can be used to extend the functionality of a Web server in a variety of ways. Servlets are to the server what applets are to the client-small Java programs compiled to bytecode that can be loaded dynamically and that extend the capabilities of the host. Servlets differ from applets in that servlets do not run in a Web browser or with a graphical user interface. Instead, servlets interact with the servlet engine running on the Web server through requests and responses. The request-response paradigm is modeled on the behavior of the HyperText Transfer Protocol (HTTP). A client program, which could be a Web browser or some other program that can make connections across the Internet, accesses a Web server and makes a request. This request is processed by the servlet engine that runs with the Web server, which returns a response to a servlet. The servlet in turn sends a response in HTTP form to the client.

additional resources

Java Developer Connection

The Jakarta Project: Struts

jGuru

Java2 Platform, Enterprise Edition Blueprints

JSP Handling Exceptions

JSP Developers Guide : JSP Expanded Syntax Reference

Industry Opinions on EJB vs. COM+

Direct network traffic of EJBs