import java.util.ArrayList; | |
import java.util.Map; | |
import java.util.Set; | |
class Test { | |
{ | |
Map<String, ? extends Set<Integer>> myMap = null; | |
myMap.entrySet().parallelStream() | |
.map(it -> { | |
final ArrayList<Integer> myList = newArrayList(it.getValue()); | |
return myList.size(); | |
}) | |
.forEach(System.out::println); | |
} | |
public static <E> ArrayList<E> newArrayList(Iterable<? extends E> elements) { return null; } | |
} |