Maven

mvn -version

Create html dependency report:

mvn versions:display-dependency-updates
mvn dependency:tree
mvn project-inf-reports:dependencies

Create project:

mvn archetype:generate -DgroupId=com.foo.someproject -DartifactId=some-project -DarchetypeArtifactId=maven-archetype-quickstart -DinteractiveMode=false

Create eclipse project:

mvn eclipse:clean eclipse:eclipse

Run jetty from maven:

mvn jetty:run

Create packge:

mvn package

mvn -U clean package -DskipTests

Compile test:

mvn clean compile test

Generate Javadoc:

mvn javadoc:javadoc

see here for howto create and embed UML in javadoc automatically

sudo apt-get install graphviz

<plugin>
 <groupId>org.apache.maven.plugins</groupId>
 <artifactId>maven-javadoc-plugin</artifactId>
 <version>2.9</version>
 <configuration>
  <doclet>org.umlgraph.doclet.UmlGraphDoc</doclet>
  <docletArtifact>
   <groupId>org.umlgraph</groupId>
   <artifactId>umlgraph</artifactId>
   <version>5.6</version>
  </docletArtifact>
  <additionalparam>-views -all</additionalparam>
  <useStandardDocletOptions>true</useStandardDocletOptions>
 </configuration>
</plugin>