How to convert Set to String[]?

Question

I need to get a String[] out of a Set, but I don\'t know how to do it. The following fails:

Map myMa         


        

Answer 1

Guava style:

Set myset = myMap.keySet();
FluentIterable.from(mySet).toArray(String.class);

more info: https://google.github.io/guava/releases/19.0/api/docs/com/google/common/collect/FluentIterable.html