Java and destructor

Global.java

public class Global {

	public static Temporary[] a;

	public static void main(String [] args) throws Throwable
	{
		new Temporary().finalize();
		System.out.println(Global.a[0].toString());
	}
}

class Temporary
{ 
	public Temporary ref;

	public Temporary() {
		this.ref = this;
	}
	
	protected void finalize() throws Throwable {
     try {
     	if(Global.a == null) {
     		Global.a = new Temporary[1];
     	}
     	else {
     		Temporary[] a = new Temporary[Global.a.length+1];
     		for(int i=0;i<Global.a.length;i++) {
     			a[i] = Global.a[i];
     		}
     		Global.a = a;
     	}
        Global.a[Global.a.length-1] = this;
     } finally {
         super.finalize();
     }
 }

}

output

Temporary@5552e7a4