{

public static void main(String[] args)

{

try

{

List<Integer> list = Arrays.asList(5,9,14);

list.stream().map(num -> CompletableFuture.supplyAsync(() -> getNumber(num))).map(CompletableFuture -> CompletableFuture.thenApply(n->n*n)).map(t->t.join()).forEach(s->System.out.println(s));

list.stream().map(num->CompletableFuture.supplyAsync(()->getNumber(num))).map(CompletableFuture -> CompletableFuture.thenApply(n->n*n)).map(t->t.join()).forEach(s->System.out.println(s));

}

catch (Exception e)

{

e.printStackTrace();

}

}

private static int getNumber(int a)

{

return a*a;

}

}