Web Reference: Java Tutorial #73 - Java ArrayList Iterator Interface with Examples In this video by Programming for Beginners we will learn Java Iterator Interface with Examples (ArrayList), using... An Iterator is an object that can be used to loop through collections, like ArrayList and HashSet. It is called an "iterator" because "iterating" is the technical term for looping. 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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