Nov 22, 2025 · An Iterator in Java is one of the most commonly used cursors in the Java Collections Framework. It is used to traverse or iterate through elements of a collection one by …

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.

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.

Jun 27, 2025 · In this tutorial, we’re going to review the simple Iterator interface to learn how we can use its different methods. We’ll also check the more robust ListIterator extension which …

Oct 29, 2025 · An Iterator in Java is an object that allows you to traverse through a collection like List, Set, or Queue, one element at a time. It belongs to java.util package and is a part of the …

Nov 12, 2025 · Iterators provide a standard way to iterate over the elements of a collection, allowing developers to access elements one by one without having to know the underlying …

Jul 18, 2024 · Java iterator interface explained. The complete guide to use iterator in Java with various code examples: iterate list, iterate set, iterate map, iterate queue, remove elements, etc.

Apr 1, 2025 · Java Iterator is a collection framework interface and is a part of the “java.util” package. Using Java Iterator you can iterate through the collection of objects.

An iterator in Java is an interface that provides a way to access elements of a collection sequentially without exposing its underlying representation. It allows for traversing collections …

Sep 14, 2025 · Iterator in Java is an object used to cycle through arguments or elements present in a collection. It is derived from the technical term “iterating,” which means looping through. …