
Iterator in Java - GeeksforGeeks
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 …
Iterator (Java Platform SE 8 ) - Oracle
Iterators allow the caller to remove elements from the underlying collection during the iteration with well-defined semantics. Method names have been improved. This interface is a member …
Iterator - Wikipedia
In computer programming, an iterator is an object that progressively provides access to each item of a collection, in order. [1][2][3] A collection may provide multiple iterators via its interface that …
Java Iterator - W3Schools
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.
std:: iterator - cppreference.com
Oct 1, 2023 · Must be one of iterator category tags. the type of the values that can be obtained by dereferencing the iterator. This type should be void for output iterators. This page was last …
A Guide to Iterator in Java - Baeldung
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 …
Understanding Java Iterators: A Deep Dive - DEV Community
Jan 3, 2025 · What is an Iterator? An Iterator is an object that allows sequential access to elements in a collection without exposing its underlying structure. It is part of the java.util …
Iterator - refactoring.guru
Iterator is a behavioral design pattern that lets you traverse elements of a collection without exposing its underlying representation (list, stack, tree, etc.).
Java Iterator: Methods, Examples, and Best Practices - Intellipaat
Oct 29, 2025 · In Java, the Iterator is a generic interface from the java.util package. It provides a standard way to traverse elements in a collection, one at a time, without exposing the …
Introduction to Iterators in C++ - GeeksforGeeks
Mar 10, 2025 · Reverse Traversal: When we need to loop through a container in reverse order, iterators make it easy. We don’t have to manually adjust the order of the elements; we can …