Is Concurrenthashmap Fail Safe?
Concurrent Package Such as Concurrenthashmap, Copyonwritearraylist, Etc. Are Fail-Safe in Nature. in the Code Snippet Above, We're Using Fail-Safe Iterator...
concurrent package such as ConcurrentHashMap, CopyOnWriteArrayList, etc. are Fail-Safe in nature. In the code snippet above, we're using Fail-Safe Iterator. Hence, even though a new element is added to the Collection during the iteration, it doesn't throw an exception.
Is HashMap fail-safe?
Iterator on ArrayList, HashMap classes are some examples of fail-fast Iterator. ... This is because, they operate on the clone of the collection, not on the original collection and that's why they are called fail-safe iterators. Iterator on CopyOnWriteArrayList, ConcurrentHashMap classes are examples of fail-safe Iterator.
What is fail-safe and fail-fast?
Fail-Safe. 1. Exception. Any changes in the collection, such as adding, removing and updating collection during a thread are iterating collection then Fail fast throw concurrent modification exception. The fail-safe collection doesn't throw exception.
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