An attempt to differentiate object instance and reference

Huh.java

class Meh {
    @Override
    protected void finalize() {
        try {
            super.finalize();
        } catch (Throwable e) {
            ;
        }
        System.out.println("\"" + this + "\" " + "destroyed");
    }
}

public class Huh {
    public static void main(String[] args) {
        Meh first_ref = new Meh();
        Meh second_ref0 = new Meh();
        Meh second_ref1 = second_ref0; // duplicate the reference

        System.out.println(first_ref);
        System.out.println(second_ref0); // same "value", same output
        System.out.println(second_ref1); // same "value", same output
        System.out.println(new Meh()); // let's call it third

        System.gc(); // third is queued to get destroyed

        second_ref0 = null; // second is still referred by second_ref1
        System.gc(); // hence none is queued to get destroyed

        first_ref = null;
        System.gc(); // first is queued to get destroyed

        second_ref1 = null; // second is no longer referred at all now
        System.gc(); // second is queued to get destoryed

        while (true)
            ;
    }
}