Programmable toaster ovens
"In contrast the Java community has stagnated, stuck with a language designed in a hurry to power toasters. "
Random image of the Banana Jr. in 'Bloom Country' which, when it's owner phoned up the support hotline as it was misbehaving, was put on the phone and the technician threatened it with its chips being used for programmable toaster ovens.
So much of Java seems to be very same-y, putting a web front on a database, EJB for scaling out. Tuple spaces are interesting; C4I systems are blackboard based, some of those fielded ten years or more years ago. It went mainstream in that market a decade ago.