Class Matching

streams/Matching.java:13–30

  BiPredicate<Stream<Integer>, Predicate<Integer>> {}

public class Matching {
  static void show(Matcher match, int val) {
    System.out.println(
      match.test(
        IntStream.rangeClosed(1, 9)
          .boxed()
          .peek(n -> System.out.format("%d ", n)),
        n -> n < val));
  }
  public static void main(String[] args) {
    show(Stream::allMatch, 10);
    show(Stream::allMatch, 4);
    show(Stream::anyMatch, 2);
    show(Stream::anyMatch, 0);
    show(Stream::noneMatch, 5);
    show(Stream::noneMatch, 0);
  }
}
/* Output:
1 2 3 4 5 6 7 8 9 true
1 2 3 4 false