void main() {
    Set<String> band = Set.of("Ada", "Grace", "Alan", "Katherine");
    Map<String, Integer> scores = Map.of("Ada", 88, "Grace", 92, "Alan", 45);

    IO.println(band);
    IO.println(scores);
}

// From Groundwork, chapter 9 (ch09-maps-and-sets), box 14.
// This example is from Groundwork, licensed CC BY-NC-SA 4.0.
// Run with: java ch09_14.java