Уровень 21: план уровня и доп. материалы

Приложение А

public class Finalize {
    private static int id;

    public static void main(String[] args) throws Throwable {
        for (int counter = 0; counter < 100_000; counter++) {
            new Finalize();
            new Finalize();
            new Finalize();
        }
        System.out.println("----------------------------------");
        Object o = new Finalize();
        Object o2 = new Finalize();
    }

    public Finalize() {
        System.out.println("Hello" + " " + ++this.id);
    }

    @Override
    protected void finalize() throws Throwable {
        super.finalize();
        System.out.println("Bye-bye" + " " + this.id);
    }
}

<code>int xor3 = ~9;
        System.out.println(xor3);</code>

<code>BigDecimal xor3 = new BigDecimal(~9);</code>