## WARNING:
There already is sun.misc.Cleaner. And Java 9 should even have java.util.Cleaner or something like that. I simply didn’t know. So it’s better to wait for Java 9 or use sun.misc.Cleaner.
If you are still interested:
Project home:
http://claude-martin.ch/java-cleanup/
I have a blog post about Finalizers and PhantomReferences:
Object.finalize()