This week's giveaway is in the EJB and other Java EE Technologies forum. We're giving away four copies of EJB 3 in Action and have Debu Panda, Reza Rahman, Ryan Cuprak, and Michael Remijan on-line! See this thread for details.
I want to ensure that a List of Lists contains no element which is subsumed by another. Each nested List should contain at least one unique element compared to any other nested List.
This code works, but seems horribly inefficient. Is there a better way?