public class PrimitiveEdges {
    public static void main(String[] args) {
        double[] ds = {0.0, -0.0, Double.NaN, 16777217.0, 1e10, 3.0};
        for (double d : ds) {
            System.out.printf("%-12s int? %-5b float? %-5b%n", d, d instanceof int, d instanceof float);
        }
        long big = 1L << 40;
        System.out.println(big + " instanceof int? " + (big instanceof int));
        Object o = 42;
        if (o instanceof int i) System.out.println("Object holding Integer matches int pattern: " + i);
        Object s = (short) 7;
        if (s instanceof int i) System.out.println("Short in Object matches int? " + i); else System.out.println("Short in Object does not match int");
        int x = 65;
        if (x instanceof char c) System.out.println("65 as char: " + c);
    }
}