使用Eclipse高效开发Java EE 7应用程序

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"Java EE Development with Eclipse 第二版 - 使用 Eclipse 开发 Java EE 应用的英文版 PDF 教程，由 Ram Kulkarni 编写，2015年9月出版" 本书详细介绍了如何利用强大的集成开发环境 Eclipse 来开发、调试、测试和排错 Java EE 7 应用程序。Java EE（Java Platform, Enterprise Edition）是 Sun Microsystems（现 Oracle 公司）推出的企业级应用平台，它提供了构建分布式、多层企业级应用的框架和服务。Eclipse 是一个开源的、跨平台的 IDE，对 Java 开发者特别友好，支持多种插件，能够帮助开发者高效地完成 Java EE 项目。在《Java EE Development with Eclipse》第二版中，作者 Ram Kulkarni 提供了以下关键知识点： 1. **Java EE 7 概览**：介绍 Java EE 7 的新特性和改进，如 WebSocket、JAX-RS 2.0、JSF 2.2 和 EJB 3.2 等。 2. **Eclipse 环境配置**：详细步骤指导读者如何安装和配置 Eclipse，以支持 Java EE 开发，包括安装必要的插件如 WTP（Web Tools Platform）。 3. **Web 应用开发**：涵盖使用 JSP、Servlet 和 JSF 进行动态网页开发的基础知识和高级技巧。 4. **企业 Bean**：讲解如何创建和管理 EJB（Enterprise JavaBeans），包括无状态会话 Bean、有状态会话 Bean 和消息驱动 Bean。 5. **数据访问与持久化**：介绍 JPA（Java Persistence API）和 Hibernate，用于数据库操作和对象关系映射。 6. **JavaServer Faces (JSF)**：深入探讨 JSF 架构，包括组件库、导航和数据绑定，以及使用 Facelets 进行视图层开发。 7. **RESTful Web 服务**：通过 JAX-RS 实现 RESTful API 设计和实现，包括 CRUD 操作和媒体类型处理。 8. **测试与调试**：如何在 Eclipse 中进行单元测试、集成测试，以及如何使用调试工具进行问题定位。 9. **部署与服务器管理**：讲解如何在不同应用服务器（如 GlassFish、Tomcat 或 WildFly）上部署 Java EE 应用，并进行服务器配置。 10. **性能优化与故障排查**：提供性能调优技巧，如内存管理和并发控制，以及如何解决常见的开发和运行时问题。本书不仅适合初学者，也对有一定经验的 Java EE 开发者有所帮助，因为它既包含基础概念和实践操作，也涉及到了进阶主题和技术。通过学习，读者可以掌握使用 Eclipse 开发 Java EE 应用的全套技能，从而提高开发效率和代码质量。

[ vii ]

Preface

Java 2 Enterprise Edition (J2EE) has been used to develop enterprise applications

for many years. It provides a standard technique to implement the many aspects

of an enterprise application, such as handling web requests, accessing database,

connecting to other enterprise systems, and implementing web services. Over the

years, it has evolved and made enterprise application development easier than

before. Its name has changed as well, from J2EE to JEE, after the J2EE version 1.4.

Currently, it is in version 7.

Eclipse is a popular Integrated Development Environment (IDE) for developing

Java applications. It has a version specic to the JEE development too, which makes

it faster to write code and easier to deploy JEE applications on a server. It provides

excellent debugging and unit testing support. Eclipse has a modular architecture,

and many plugins are available today to extend its functionality for performing

many different tasks.

This book provides you with all the information that you will need to use Eclipse

to develop, deploy, debug, and test JEE applications. The focus of this book is to

provide you with practical examples of how to develop applications using JEE

and Eclipse. The scope of this book is not limited to JEE technologies, but covers

other technologies used in the different phases of application development as well,

such as source control, unit testing, and proling.

JEE is a collection of many technologies and specications. Some of the technologies

are so vast that separate books will have to be written on them and many have

been already written. This book takes the approach of providing you with a brief

introduction to each technology in JEE and provides links for detailed information.

Then it moves on to develop sample applications using specic technologies under

discussion and explains the ner aspects of the technologies in the context of the

sample applications.

Preface

[ viii ]

This book could be useful to you if you are new to JEE and want to get started with

developing JEE applications quickly. You will also nd this book useful if you are

familiar with JEE but looking for hands-on approach to use some of the technologies

in JEE.

What this book covers

Chapter 1, Introducing JEE and Eclipse, explains in brief the different technologies in

JEE and where they t in a typical multitier JEE application. This chapter describes

installing Eclipse JEE, Tomcat, GlassFish, and MySQL, which are used to develop

sample applications in the later chapters.

Chapter 2, Creating a Simple JEE Web Application, describes the development of web

applications using JSP, Servlet, JSTL, and JSF. It also explains how to use Maven for

project management.

Chapter 3, Source Control Management in Eclipse, explains how to use the SVN and Git

plugins of Eclipse for source code management.

Chapter 4, Creating a JEE Database Application, explains the creation of database

applications using JDBC and JPA. You will learn how to execute SQL statements

directly using JDBC, map Java classes to database tables, and set relationships

between classes using the JPA and database connection pool.

Chapter 5, Unit Testing, describes how to write and run unit tests for Java applications,

mock external dependencies in unit tests, and calculate the code coverage.

Chapter 6, Debugging a JEE Application, shows the techniques used to debug JEE

applications and covers the debugging support of Eclipse.

Chapter 7, Creating JEE Applications with EJB, describes the use of EJBs to code

business logic in the JEE applications. Also, it explains how to connect to remote

EJBs using JNDI and inject EJBs into container-managed beans.

Chapter 8, Creating Web Applications with Spring MVC, describes the creation of web

applications using Spring MVC and how some of the JEE technologies can be used

in a Spring MVC application.

Chapter 9, Creating Web Services, explains the creation of SOAP-based and RESTful

web services in JEE applications. You will learn how to consume these web services

from JEE applications as well.

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