By Inderjeet Singh
Sun's personal J2EE architects and firm improvement specialists have written the definitive consultant to constructing whole company suggestions with Java 2 company version, model 1.3. This re-creation totally displays Sun's newest model 1.3 applied sciences and improvements, and covers each component to an entire company resolution: client-side, middleware, and back-end. The authors start by means of introducing the J2EE model 1.3 platform, reviewing numerous eventualities for utilizing it to construct net and intranet functions, and providing specified introductions to every key J2EE expertise. utilizing either code snippets and a whole, start-to-finish case learn, they stroll in the course of the building of Web-based consumers according to Java Servlets and Java ServerPages (JSP), middle-tier recommendations using company JavaBeans, and backend connections in accordance with JDBC know-how. assurance additionally comprises: packaging and deploying J2EE purposes; automated and programmatic concepts for dealing with transactions; and leveraging J2EE's powerful security measures. For all software program builders, architects, and IT managers operating with Java 2 firm variation or delivering J2EE-based items.
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Additional resources for Designing Enterprise Applications with the J2EE Platform, 2nd Edition
A container implements the component’s environment and provides it to the component as a JNDI naming context. A J2EE component locates its environment naming context using JNDI interfaces. InitialContext object and looks up the environment naming context in InitialContext under the name java:comp/env. A component’s naming environment is stored directly in the environment naming context or in any of its direct or indirect subcontexts. A J2EE component can access named system-provided and user-defined objects.
Together, these specifications define the architecture described in this book. In addition to the specifications, several other technology deliverables support the J2EE standard, including the J2EE Compatibility Test Suite, the J2EE reference implementation, and the J2EE SDK. The J2EE Compatibility Test Suite (CTS) helps maximize the portability of applications by validating the specification compliance of a J2EE platform product. This test suite begins where the basic Java Conformance Kit (JCK) leaves off.
In addition, the J2EE platform is flexible enough to support alternate client models easily, including wireless phones and handheld devices that use programming models provided by the Java 2 Platform, Micro Edition. Client-tier beans can also be contained in a stand-alone application client written in the Java programming language. In this case, the enterprise typically would make the client available for users to download from a browser using Java Web Start technology. Java Web Start technology makes application deployment portable by providing browser-based download and installation mechanisms.