[英]fail-safe iterator
CopyOnWriteArrayList生成故障安全迭代器,因為每次“結構被修改”時,修改意味着將生成一個新的數組。 迭代器遍歷數組的舊副本? 那么,故障安全意味着它可以防止故障發生?
請參閱http://www.certpal.com/blogs/2009/09/iterators-fail-fast-vs-fail-safe/中的比較和解釋
閱讀這篇文章以獲得更好的解釋http://www.journaldev.com/378/how-to-avoid-concurrentmodificationexception-when-using-an-iterator
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