How to sort guava multimap? (KEY=DATE)

Question

I have a

Multimap multimap = ArrayListMultimap.create();

from guava. I was wondering how to SORT the the Date key in t

Answer 1

Guava team member here.

Use TreeMultimap, or if you need to map into Lists, use MultimapBuilder:

return MultimapBuilder.treeKeys().arrayListValues().build()