3 commands, 2 dependencies, 1 minute.. blast off with Scala development using the mvn archetype

I go to a fair few (probably too many), tech conference and meetups. A passing observation, is that if code samples are shown a proportion of the audience will try to run them while following along. Initially, this seems counter intuitive (to try and both listen and absorbing information while also trying to perform actions as a background task), though my own experience is that this works suprisingly well for practical activities, (maybe the multi-sensory exposure helps learning and retention ?).
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