While iterating, it would keep check the original collection/(the iterator, if its as a snapshot the collection). It would throw ConcurrentModificationException, if detected that the collection is modified.
Avoid using java iterator
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While iterating, it would keep check the original collection/(the iterator, if its as a snapshot the collection). It would throw ConcurrentModificationException, if detected that the collection is modified.
it is to use Iterator’s remove method rather than collection’s own remove method to avoid ConcurrentModificationException
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it works for sometimes, however from JSR, it is not guaranteed. Adding new element would throw this exception as well.
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