Some FizzBuzz

FizBuzz.java

// based on https://github.com/Ocean-Moist/FizzBuzz/blob/master/src/Main.java
// from https://rohan.ga/blog/java/

// run on JDK 23 with `java --enable-preview FizzBuzz.java`
void main() {
	var testers = List.of(
		new Tester(x -> x % 3 == 0, "Fizz"),
		new Tester(x -> x % 5 == 0, "Buzz"));
	IntStream
		.rangeClosed(1, 100)
		.mapToObj(n -> testers.stream()
			.filter(tester -> tester.predicate.test(n))
			.map(Tester::text)
			.reduce(String::concat)
			.orElse(n + ""))
		.forEach(IO::println);
}

record Tester(IntPredicate predicate, String text) { }