Enumerable.java (http://enumerable.org http://enumerable.org) is not really a functional library, but it does support limited closures: boolean b = a.any(λ(s,

Enumerable.java (http://enumerable.org http://enumerable.org) is not really a functional library, but it does support limited closures: boolean b = a.any(λ(s, s.equals(s.toLowerCase())); s and λ are statically imported.