public static void main(String[] args) {
// 500000500000
long[] ref = {0L};
LongStream.rangeClosed(0, MAX).forEach(l -> ref[0] += l);
out.println("forEach: " + ref[0]);
long l = 0L;
LongStream.rangeClosed(0, MAX).forEach(l2 -> l = l + l2);
out.println(l);
}
public static long sideEffectParallelSum(long n) {
Accumulator accumulator = new Accumulator();
LongStream.rangeClosed(1, n).parallel().forEach(accumulator::add);
return accumulator.total;
}
public static long parallelRangedSum(long n) {
return LongStream.rangeClosed(1, n).parallel().reduce(Long::sum).getAsLong();
}
