Esempio n. 1
0
 public static List<SimpleEntry<Integer, List<Integer>>> goldbach_list(IntStream range) {
   return range
       .filter(n -> n % 2 == 0)
       .filter(even -> even > 2)
       .mapToObj(even -> new SimpleEntry<>(even, P35.goldbach(even)))
       .collect(toList());
 }