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Apache Maven Cookbook

You're reading from   Apache Maven Cookbook Over 90 hands-on recipes to successfully build and automate development life cycle tasks following Maven conventions and best practices

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Product type Paperback
Published in Apr 2015
Publisher Packt
ISBN-13 9781785286124
Length 272 pages
Edition 1st Edition
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Toc

Table of Contents (13) Chapters Close

Preface 1. Getting Started FREE CHAPTER 2. IDE Integration with Maven 3. Maven Lifecycle 4. Essential Maven Plugins 5. Dependency Management 6. Code Quality Plugins 7. Reporting and Documentation 8. Handling Typical Build Requirements 9. Multi-module Projects 10. Java Development with Maven 11. Advanced Maven Usage Index

Understanding the pom file


Every Maven project has a pom file that defines what the project is all about and how it should be built. Pom is an acronym for project object model. Let us take a peek at this file.

How to do it...

Let's understand the pom file, by performing the following steps:

  1. Go to a Maven project that we created in previous chapters.

  2. Open the file named pom.xml.

How it works...

A pom file is an XML file that is based on a specific schema, as specified at the top of the file:

<project xmlns="http://maven.apache.org/POM/4.0.0"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
                      http://maven.apache.org/xsd/maven-4.0.0.xsd">

There is also a modelVersion element that defines the version of this schema:

<modelVersion>4.0.0</modelVersion>

These are the basic elements of a pom file.

The groupId element is a unique identifier of the organization to which the project belongs. For our sample project...

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