You can make a new ClassLoader instance that will reload the class to make new object instances. That does nothing to change any instances that already exist, and you have to make sure that any new instances are made through the new loader. Read up on ClassLoader and give it a try. Let us know what you find!
A good question is never answered. It is not a bolt to be tightened into place but a seed to be planted and to bear more seed toward the hope of greening the landscape of the idea. John Ciardi