package Chapter9;

public class FinalizationDemo {
 public static void main(String[] args) {
 Cake a1 = new Cake(1);
 Cake a2 = new Cake(2);
 Cake a3 = new Cake(3);

 // To dispose the objects a2 and a3
 a2 = a3 = null;
 System.gc(); // Invoke the Java garbage collector
 }
}

class Cake extends Object {
 private int id;

 public Cake(int id) {
 this.id = id;
 System.out.println("Cake object " + id + " is created");
 }

 protected void finalize() throws java.lang.Throwable {
 super.finalize();
 System.out.println("Cake object " + id + " is disposed");
 }
}