Here is data that I used to give a TECH Talk about Scala at a company Optilab d.o.o.
Accompanying videos and screencast is accessible at:
talk-materials/
other/scala-tutorial - A plan document what to talk
presentation/*.pdf - Presentation in PDF format
src/main/java/*.sc - Scala worksheets to show examples (during the talk create a new worksheet and work hands-on)
test change 3