Maven

 

• Maven is an OS, Java Based, Build tool.
• Maven is going to support only "Java Projects".
• To create Packages/ Build Artifacts we will use Maven.
• Java--------->  Ant, Maven, Gradle
• .Net ---------> Nant, MS-Build
• Python------> PYBuilder
• Puby--------> Rake
• JS, Node JS, Angular-------> Grunt, Gulp 

1. How to know which version we are using?

        cat /etc/release                     (Latest version is ---11)

Types of Applications in Java:

• Java Standalone apps
• Jar------Java Archive
• Java Code
• .Class-files
• Java Web apps
• War------Web Archive
• War = Jar + Web content ------(Html,CSS,js,XML,HTMLImage)
• Java Enterprise Apps
• Ear------Enterprise Archive
• Ear =  Jar + 1 War

Default Build Script File Name

        Pom.xml -------------------- Package Object Model

<project>

<groupId>         com.Company_Name      </groupId>

<artifactId>       Project_Name                 </artifactId>

<packaging>     jar                                   </packaging>

<version>         0.0.1-SNAPSHOT        </version>

</project>

        

2. Is it possible to change the Pom.xml file name?

    Yes 

    Maybe didn't we can give it. I didn't try it

• Along with the Source Code Developer will prepare Build Script also.

Directory Structure:

• Bin:      binaries--mvn   
• Conf:    Settings.xml
• Lib:       libraries---java files
• Boot:

Installation:

• Java 8 -----Java 1.8
• java -version
• mvn -version

Maven Repositories:

• Maven Local Repo
• C:\Users\Reddy Shekar\.m2\repository------------Windows
  
• /home/ReddySekhar/.m2/repository----------------Linux

• Maven Central Repo
• it will be by the Maven community team.

Remote Repo

• It will be used within the organization

3. Is there any chance of changing the default path to a custom one?

      

    Yes Can change that custom path

• Setting.xml
• LocalRepository <Tag>

 Maven life Cycles:

life Cycles              Goals

Clean----------------It will delete the previous build files.

Site------------------To generate a document for your source code.

Default-------------

• Validate------------It will validate your project Structure and resource files.
• Compile-----------It will compile your source code.
• Test----------------It will use to run Junit Test cases.
• Package-----------It will create packages / Build Artifacts.
• Install-------------It will store your build Build Artifacts in a local Repo.
• Deploy-----------It will store your build Build Artifacts in a Remote Repo.

4. What is the difference between the Maven Local Repo & Remote Repo?

• Install-------------It will store your build Build Artifacts in a local Repo.
• Deploy-----------It will store your build Build Artifacts in a Remote Repo.

5. How to skip the Test cases?