public class PrimitiveInstanceof {
    static String describe(int i) {
        if (i instanceof byte b) return i + " fits in a byte: " + b;
        if (i instanceof short s) return i + " fits in a short: " + s;
        return i + " needs an int";
    }

    static void floats(double d) {
        if (d instanceof float f) System.out.println(d + " converts to float " + f + " without loss");
        else System.out.println(d + " does NOT convert to float without loss");
    }

    public static void main(String[] args) {
        System.out.println(describe(100));
        System.out.println(describe(1000));
        System.out.println(describe(100000));
        floats(0.5);
        floats(0.1);
    }
}