Core J2EE Patterns: Best Practices and Design Strategies
Prentice Hall PTR, 2001 - 459 ページ
Over the last few years, Java 2 Platform, Enterprise Edition (J2EE) technology has emerged and matured as a standard platform for building enterprise applications. While the platform has matured into a solid offering for developing and deploying enterprise applications, it does offer its challenges. As developers, often we confuse learning the technology with learning to design with the technology. In this book, senior architects from the Sun Java Center, Sun's Java consulting organization share with the reader their cumulative design experience with and expertise on J2EE technology.
The primary focus of the book is on patterns, best practices, design strategies, and proven solutions using the key J2EE technologies including JavaServer Pages (JSP), Servlets, Enterprise Java Beans (EJB), and Java Message Service (J.M.S) API. Other ancillary technologies like JDBC and JNDI are also discussed as relevant to their usage in these patterns. The J2EE Patterns catalog with 16 patterns and numerous strategies is presented to document and promote best practices for these technologies.
In addition to the patterns and strategies, the book offers the following:
Core J2EE Patterns delivers:
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The standard approach for database access in Java applications is Java
Database Connectivity (JDBC). The JDBC API (application programming
interface) gives programmers the ability to make their Java applications
independent of the ...
General Refactorings 1 1 9 • Use A Connection Pool Database connections are
not shared. Instead, clients manage their own connections for making database
invocations. Use a Connection Pool to pre-initialize multiple Connections, ...
Database Schema Dependency — When the entity beans are fine-grained, each
entity bean instance usually represents a single row in a database. This is not a
proper application of the entity bean design, since entity beans are more suitable
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J2EE Platform Overview
Design Considerations Bad Practices and Refactorings
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