In this tutorial I'll show you how to use Maven on the command line, i.e. in a terminal window. Not that you'd necessarily ever want to, but knowing how Maven works in the console will really help with understanding what Maven is and does. Later on, however, we'll stick to using it within Eclipse, since it's easier.
When the video is running, click the maximize button in the lower-right-hand corner to make it full screen. Don't forget to change to HD also if the video appears fuzzy.