Collections · interview question
What happens if you try to remove an element from a List while iterating over it using an enhanced for loop?
Multiple choiceMediumchapter-4-curatedpremiumcollectionsiteration-and-traversal
Answer and explanation
Correct answer
C. It throws a ConcurrentModificationException.
Why
Removing elements during iteration with an enhanced for loop causes a ConcurrentModificationException because the iterator detects changes to the collection's structure.
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