Clean up code in finalize() or finally()?

Question

I had the general view that clean up of resources is done in the finally block,
recently I found this particular code snippet in a class and it was overridi

Answer 1

Joshua Bloch makes a very clear recommendation in his book Effective Java (2nd Edition). Copied from chapter 2 Item 7: Avoid finalizers:

Finalizers are unpredictable, often dangerous, and generally unnecessary. Their use can cause erratic behavior, poor performance, and portability problems. Finalizers have a few valid uses, which we’ll cover later in this item, but as a rule of thumb, you should avoid finalizers.

Please read the reference to find out why.