How Can I Run a Java Main Method Using the Maven Exec Plugin?

Maven Run Project: Executing Java Main Methods

To manually execute the main method of a Java class using Maven, you can leverage the "exec" Maven plugin.

The "exec" plugin allows you to run arbitrary Java classes as part of your Maven build process. To execute a main method, use the following command:

mvn exec:java -Dexec.mainClass="com.example.Main" [-Dexec.args="argument1"] ...

Replace "com.example.Main" with the fully qualified class name of your main class and specify any arguments as needed. If you have configured the plugin in your pom.xml, you can simplify the invocation to mvn exec:java.

Here's an example plugin configuration in pom.xml for more customization:

<project>
    <build>
        <plugins>
            <plugin>
                <groupId>org.codehaus.mojo</groupId>
                <artifactId>exec-maven-plugin</artifactId>
                <version>3.2.0</version>
                <configuration>
                    <mainClass>com.example.Main</mainClass>
                    <arguments>
                        <argument>argument1</argument>
                    </arguments>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

With this configuration, simply running mvn exec:java will execute your main class with the specified arguments. This plugin provides a convenient way to test and run Java applications within the Maven build environment.

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