Developing a Sample HelloWorld Java Program by using Maven

Step1: Create a HelloWorld java project by using mvn command.

[ranga@ranga Documents]$ mvn archetype:generate -DgroupId=com.ranga -DartifactId=HelloWorld -DarchetypeArtifactId=maven-archetype-quickstart -DinteractiveMode=false

Project Structure looks like

HelloWorld
├── pom.xml
└── src
    ├── main
    │   └── java
    │       └── com
    │           └── ranga
    │               └── App.java
    └── test
        └── java
            └── com
                └── ranga
                    └── AppTest.java

9 directories, 3 files

Step2:

edit the pom.xml and add the following line to run a application  

<build>

    <plugins>

        <plugin>

        <artifactId>maven-compiler-plugin</artifactId>

        <version>2.0.2</version>

        <configuration>

                <source>1.6</source>

                <target>1.6</target>

        </configuration>

     </plugin>

        <plugin>

        <groupId>org.codehaus.mojo</groupId>

        <artifactId>exec-maven-plugin</artifactId>

        <configuration>

             <mainClass>com.ranga.App</mainClass>

        </configuration>

        </plugin>

    </plugins>

   </build>

 

Step3: Run the following command to compile and run. 




[ranga@ranga HelloWorld]$ mvn compile exec:java




Hello World!