<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/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.mycompany</groupId>
  <artifactId>Set</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  
  <build>
  <plugins>  
  <plugin>
  <groupId>org.apache.maven.plugins</groupId>
  <artifactId>maven-jar-plugin</artifactId>
  <version>2.4</version>
  <configuration>
    <archive>
        <manifest>
            <mainClass>com.mycompany.Set</mainClass>
        </manifest>
    </archive>
  </configuration>
 </plugin>
     </plugins>
    </build> 
</project>