public class Cmp {
    public static void show(Integer a,Integer b) {
        System.out.printf("%d.compareTo(%d) = %d%n",a,b,a.compareTo(b));
        // a.compareTo(b) < 0   means a < b
        // a.compareTo(b) > 0   means a > b
        // a.compareTo(b) == 0  means a == b
    }
    public static void main(String[] args) {
        show(1,20);
        show(1,0);
        show(1,1);
    }
}