# Iterator

An object that visits collection elements one at a time.

## What is **Iterator** in Java?

**Iterator** — An object that visits collection elements one at a time.

```java
import java.util.Iterator;
import java.util.List;

class NameReader {
    Iterator<String> names = List.of("Ada", "Lin").iterator();
}
```

Level: Freelancer · [More Java terms at this level](https://www.ask-codey.com/glossary/subjects/java/freelancer)

Updated: September 27, 2026

## In other subjects

- [Iterator in C#](https://www.ask-codey.com/glossary/iterator-c-sharp)
- [Iterator in JavaScript](https://www.ask-codey.com/glossary/iterator-javascript)

Source: https://www.ask-codey.com/glossary/iterator-java