I've been trying to get caught up while job searching after being laid off, and have found YouTube to be a pretty good source, the Java language advocates are a

I've been trying to get caught up while job searching after being laid off, and have found YouTube to be a pretty good source, the Java language advocates are all very keen to show off all the shiny new stuff. Also definitely recommend the JEPs as one of the other sibling comments did. All of the "Data Oriented Programming in Java" stuff is I think especially relevant, Brian Goetz had a good article on InfoQ about it.