Final answer:
Objects that have finalizers are not deleted in the initial garbage collection cycle. They are enqueued for finalization and can only be collected in a subsequent cycle after the finalizer has been run.
Step-by-step explanation:
Objects with finalizers (or destructors in some programming languages) are not necessarily deleted during the first garbage collection pass. When a garbage collector finds an object with a finalizer and it is the first time the object is eligible for collection, it typically places the object onto a finalization queue. The actual finalizer code runs at a later time, determined by the garbage collector, which can lead to a delay in memory being freed.
Once the finalizer has run and if the object is no longer reachable, it can be collected during a subsequent collection pass. So, it typically requires at least two garbage collection cycles to fully reclaim the memory of an object with a finalizer: one cycle to detect the object is eligible for finalization and to enqueue it for finalization, and another cycle to actually remove the object after finalization.