package javavk public class Main public static void main String args N

package javavk;

public class Main {
    public static void main(String[] args) {
        Num<Float> num1 = new Num<>(5.0f);
        Num<Byte> num2 = new Num<>((byte) 4);
        System.out.println(num1.compareTo(num2));
        System.out.println(num2.compareTo(num1));
    }
}

class Num<T extends Number> implements Comparable<Num<?>> {
    private final T val;
    public Num(T val) {
        this.val = val;
    }
    public T getVal() {
        return val;
    }
    @Override
    public int compareTo(Num<?> o) {
        return (int) (this.val.doubleValue() - o.val.doubleValue());
    }
}