public class Test {
    int i = 10;
    public int hashCode() {
        return i;
    }
    public static void main(String ... a) {
        System.out.println(String.format(" %1$b  ", new Boolean("fAlSe")) );
        System.out.println(String.format(" %1$H %2$s", new Test(), null ) );
    }
}