What is the mark-and-sweep method in garbage collection?
The mark-and-sweep method is a garbage collection technique that identifies and reclaims memory by marking reachable objects.
How does the marking phase work?
In the marking phase, the garbage collector traverses the object graph, marking all objects that are reachable from root references.
What happens during the sweep phase?
During the sweep phase, the collector scans the heap and reclaims memory from objects that were not marked, making it available for future allocations.
Are there any drawbacks to the mark-and-sweep method?
Yes, it can lead to fragmentation and may pause the application during collection, affecting performance.
Can you compare it to other garbage collection methods?
Sure! Compared to generational garbage collection, mark-and-sweep can be less efficient in terms of performance and memory usage.
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