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J2EE Developer's Handbook
Fetched: September 5th, 2008, 10:36am CEST

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Author: Post_Leecher
Forum: E-books
Date: 2008-09-05

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Java 2 platform, Enterprise Edition (J2EE) is an application development platform for building robust enterprise systems. J2EE includes numerous Java APIs and tools such as Enterprise JavaBeans (EJB) component architecture, JavaServer Pages (JSP) technology, and Servlets. Developers looking to leverage this complex platform need guidance not only on the features of each tool, but on using them together to create real-world systems.

J2EE Developer's Handbook provides both &emdash; discussing the tools in the context of practical J2EE applications which demonstrate every aspect of J2EE development. In the spring of 2003, Sun released J2EE 1.4 which includes numerous updates and new features such as JSP 2.0, EJB 2.1, and new APIs for creating J2EE Web Services and using the J2EE Connector Architecture.

About the Chapters

Chapter 4, "JAXP", provides two ways for applications to read XML documents. The first is the Simple API for XML (SAX), which defines a set of standard interfaces for applications to use when parsing XML documents. SAX works on an event-driven model, which requires applications to implement handlers for the specific data-parsing events they want to process. The other is the Document Object Model (DOM), which creates a hierarchical representation of the XML document in memory, which an application can access and modify as it needs in a procedural fashion. JAXP also provides an interface to XSL Transformations (XSLT), which allows an application to transform an XML document according to rules set out in an XSL style sheet. ...

Chapter 28, "EJB Assurance Services", discusses one of the primary reasons often espoused for using Enterprise JavaBeans (EJB) technology is the inherent and transparent benefits it provides for enhancing systems assurance. Despite the significance often ascribed to EJB assurance features, the consideration and proper utilization of such features is often overlooked or put on the back burner in favor of taking advantage of EJBÂ’s rapid development benefits and layering in new functionality. This chapter focuses on describing the specific EJB assurance features and how to leverage their use in constructing enterprise systems. Specifically, this chapter discusses EJB transactions, security, clustering, and other EJB features that can be used to infuse scalability, reliability, maintainability, availability, and security into enterprise systems built with EJB....


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