Web Reference: If you have a collection object like an ArrayList, HashSet or HashMap, you can use .iterator () to create an java iterator object and loop through it and remove values! Iterators differ from enumerations in two ways: Iterators allow the caller to remove elements from the underlying collection during the iteration with well-defined semantics. Mar 11, 2026 · An Iterator object is created by calling the iterator () method on a collection object. Here, we will use an Iterator to traverse and print each element in an ArrayList.
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