@SuppressWarnings("boxing")
public static void main(String[] args) {
CoreNumber number = $(2.0, 4, 6, null, 8, 100);
System.out.println(number.average());
System.out.println(number.variance());
System.out.println($.range(1, 50000).random(10).as(CoreNumber.class).standarddeviation());
System.out.println($.range(1, 50).random(6).string().join(" "));
System.out.println($.range(1, 50).random(1.0).string().join(" "));