Java 8 Collectors.toMap SortedMap

Question

I\'m using Java 8 lambdas and want to use Collectors toMap to return a SortedMap. The best I can come up with is to call the following

Answer 1

Seems that there's no standard way to do this without defining your own throwingMerger() method or using explicit lambda. In my StreamEx library I defined the toSortedMap method which also uses my own throwingMerger().