examples/java/pom.xml

<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/maven-v4_0_0.xsd">
	<modelVersion>4.0.0</modelVersion>

	<groupId>wskdebug.examples</groupId>
	<artifactId>hello-java</artifactId>
	<version>1.0</version>
	
	<!-- Output to jar format -->
	<packaging>jar</packaging>

    <properties>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
    </properties>

	<dependencies>
        <dependency>
          <groupId>com.google.code.gson</groupId>
          <artifactId>gson</artifactId>
          <version>2.8.9</version>
        </dependency>
    </dependencies>

	<build>
        <sourceDirectory>.</sourceDirectory>
		<plugins>
			<!-- Make this jar executable -->
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-jar-plugin</artifactId>
                <version>3.1.2</version>
				<configuration>
				  <archive>
					<manifest>
						<!-- Jar file entry point -->
						<mainClass>Hello</mainClass>
					</manifest>
				  </archive>
				</configuration>
			</plugin>
		</plugins>
	</build>

</project>