Is there a better way to combine two string sets in java?

Question

I need to combine two string sets while filtering out redundant information, this is the solution I came up with, is there a better way that anyone can suggest? Perhaps som

Answer 1

http://docs.oracle.com/javase/7/docs/api/java/util/Set.html#addAll(java.util.Collection)

Since sets can't have duplicates, just adding all the elements of one to the other generates the correct union of the two.