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. Method names have been …

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 one.

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.

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 adds some …

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 · This Java tutorial will explain Iterators in Java. You will learn about Iterator interface and ListIterator interface with the help of simple code examples.

Nov 12, 2025 · In Java, iterators play a crucial role in traversing through collections such as List, Set, and Map. An iterator provides a way to access the elements of a collection sequentially without …

Often, you will want to cycle through the elements in a collection. For example, you might want to display each element. The easiest way to do this is to employ an iterator, which is an object that implements …

Jul 23, 2025 · 'Iterator' is an interface which belongs to collection framework. It allows us to traverse the collection, access the data element and remove the data elements of the collection. java.util package …

In this tutorial, we will learn about the Java Iterator interface with the help of an example. All the Java collections include an iterator () method. This method returns an instance of iterator used to iterate …