What argument do you pass to Maven in order to update SNAPSHOT from the remote repository?

When performing a release using the Maven release plugin, which environment variable for batch mode is used to define the stamp placed in SCM to indicate the state of the artifact for the actual release?

These are two general uses of plugins. The first is build and the second is _

What does the mvn clean command do?

Suppose you are packaging a Maven project and see the following error: “[WARNING] Using platform encoding (Cp1252 actually) to copy filtered resources, i.e. build is platform dependent!” What do you add to your POM file to set the platform encoding to ensure your build is not platform dependent?

Why might you not want to include groupId and version elements in child POM files?

How can you use Maven to run unit tests in parallel?

What environment variable can you alter to increase the memory Maven uses?

If your machine is behind a proxy, where should you specify the proxy server settings in order for Maven to access remote resources?

Which Maven plugin would you leverage to specify the version of the compiler to target as well as the source level of the language?

Many organizations set up local mirrors to the Maven central repository. In order to leverage your company's Maven repository as a proxy for the Maven central repository, which element should you put into the settings.xml file?