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Prune a List of Lists

A Jaco

Joined: Jan 25, 2012
Posts: 4
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?

Alexei Kaigorodov

Joined: Feb 24, 2008
Posts: 17
A Jj wrote:

When list2.equals(list1), why don't you remove one of them?
I agree. Here's the link:
subject: Prune a List of Lists
jQuery in Action, 3rd edition