Java Object DEMO

package anobject;

import java.util.Objects;

final class Example extends Object {

    static {
        count = 0;
    }

    private static Integer count;
    private final Integer id;

    public Example() {
        this.id = ++count;
        //
        System.out.println("This is the creation of an " + this.toString() + '.');
        System.out.flush();
    }

    public static Integer getCount() {
        return count;
    }

    public Integer getId() {
        return id;
    }

    public void display() {
        System.out.println("This is the display of an " + this.toString() + '.');
        System.out.flush();
    }

    @Override
    public String toString() {
        return "Example{id=" + id + ", count=" + count + '}';
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        final Example other = (Example) obj;
        return Objects.equals(this.id, other.id);
    }

    @Override
    protected void finalize() throws Throwable {
        System.out.println("This is the destruction of an " + this.toString() + '.');
        System.out.flush();
        //
        count--;
        super.finalize();
    }

    @Override
    protected Object clone() throws CloneNotSupportedException {
        throw new CloneNotSupportedException();
    }
}

/**
 *
 * @author Aidan
 */
public class AnObject {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        { // Put instances in this block.
            Example a = new Example(),
                    b = new Example(),
                    c = new Example(),
                    d = new Example();
            //
            a.display();
            b.display();
            c.display();
            d.display();
            //
            try {
                a.finalize();
                b.finalize();
                c.finalize();
                d.finalize();
            } catch (Throwable ex) {
                System.err.println("Destructive error.");
                System.err.flush();
            }
        }
        System.out.println("Done.");
        System.out.flush();
    }

}