Updated with Maven build.

pom.xml

@@ -10,4 +10,29 @@
         <maven.compiler.source>11</maven.compiler.source>
         <maven.compiler.target>11</maven.compiler.target>
     </properties>
+    <build>
+        <plugins>
+            <plugin>
+                <artifactId>maven-assembly-plugin</artifactId>
+                <configuration>
+                    <descriptorRefs>
+                        <descriptorRef>jar-with-dependencies</descriptorRef>
+                    </descriptorRefs>
+                    <archive>
+                        <manifest>
+                            <mainClass>moe.nekojimi.javamaventemplate.Main</mainClass>
+                        </manifest>
+                    </archive>
+                </configuration>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>single</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
 </project>

src/main/java/moe/nekojimi/javamaventemplate/Main.java

@@ -3,19 +3,19 @@
  * To change this template file, choose Tools | Templates
  * and open the template in the editor.
  */
-package uk.co.chamsys.javamaventemplate;
+package moe.nekojimi.javamaventemplate;
 
 /**
  *
  * @author jim
  */
-public class Main {
-
+public class Main 
+{
     /**
      * @param args the command line arguments
      */
-    public static void main(String[] args) {
-        // TODO code application logic here
+    public static void main(String[] args) 
+    {
+        System.out.println("Hello world!");
     }
-    
 }