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Synopsis

IntroductionWhy Maven?PrerequisitesProject StructurePOMPhasesDependency Management

Project StructurePluginsInheritanceMulti Module Support

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IntroductionSoftware management and comprehension tool!ased on Project O"ject Model #POM$ % manage project "uild& reporting& and

documentation from a central piece of information

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Why Maven?

'asy !uild Process(niform !uild System

)uality Project Information

*uidelines for !est Practices Development

+isi"ility

,e usa"ility

Maintaina"ility

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POMA fundamental unit of work in Maven

An XML file that contains information about project and configuration details

used by Maven to build the project

Already built into the Maven engine

Contains:

-ame and +ersion.rtifact /ype

Source 0ode 1ocations

Dependencies

Plug%ins

Profiles #.lternate "uild configurations$

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Dependency Management

/he dependency management model for projects whose componentsdeveloped "y different project teams

Supports continuous independent development and refinement of all dependentModules

Maven local:Directory on your dis2#located at Homeirectory3m43repository$.cts as a high%performance local cache& storing artifacts downloaded

Remote repositories:.ccessed over the networ2 5ou can maintain a list of remote repositories to

use in your settings6ml configuration fileDependencies are specified in 7dependencies8 elements within a pom6ml fileProject dependencies are stored on repository servers #simply calledrepositories in

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Eg:

7dependencies87dependency8

7groupId8junit73groupId87artifactId8junit73artifactId8

7version89:;73version873dependency873dependencies8

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Project Structure

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Project Structure#cont$Target:Default wor2 directory

src:.ll project source files go in this directory

src/main:.ll sources that go into primary artifact

src/test:.ll sources contri"uting to testing project

src/main/java:.ll java source files

src/main/webapp:.ll we" source files

src/main/resources:.ll non compiled source files

src/test/java:.ll java test source files

src/test/resources:.ll non compiled test source files

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*roupID= .r"itrary project grouping identifier

.rtfiactId= .r"itrary name of project

+ersion= +ersion of project

>ormat = Major@Minor@Maintanence@

AS-.PSBO/ A Identify in development

*.+ Synta6=

.0.0

mven-trining

org.lds.trining

1.0

jar

Project Structure#cont$

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Pac2aging

!uild type identified using the Cpac2aging element

'6ample pac2aging types=

pom& jar& war& ear& custom

Default is jar

.0.0

mven-trining org.lds.trining

1.0

jar

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7dependencies87dependency8

7groupId8comi"mdevwor2s73groupId8

7artifactId8OpsImp73artifactId87version8;E%

S-.PSBO/73version873dependency8

73dependencies8

SNAPSHOT

S-.PSBO/ tells Maven F under development % fetch the latest copy of theartifact availa"le

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Plugins

When you use Maven&wor2 is performed e6clusively via plug%ins

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Multi module supportMaven has ;stclass multi%module support

'ach maven project creates ; primary artifact

. parent pom is used to group modules

7project8

7pac2aging8pom73pac2aging8

mo!ules"

mo!ule"maven#training/mo!ule"

mo!ule"maven#training#web/mo!ule" /mo!ules"

73project8