3. Java Failsafe Collections Explained: Never Fail with Your Code! #failsafe #javainterviewquestions

What is Fail-Safe?
Fail-safe iterators are designed to handle structural changes in a collection without throwing exceptions. They achieve this by working on a clone of the collection rather than the original, ensuring smooth iteration even if the collection is modified concurrently.

Key Benefits:
No Exceptions: Reduces the risk of ConcurrentModificationException.
Safe Iteration: Allows seamless traversal during modifications.
Disadvantages:
Stale Data: Iterators may not reflect updates to the original collection since they work on a clone.
Performance Cost: Higher memory and processing time due to cloning.
Fail-safe iterators are a trade-off between safety and efficiency, suitable for specific scenarios where consistency and safety are prioritized over real-time accuracy.
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