# ArrayList

A resizable List backed by an array.

## What is **ArrayList** in Java?

**ArrayList** — A resizable List backed by an array.

```java
import java.util.ArrayList;
import java.util.List;

class TaskList {
    List<String> tasks = new ArrayList<>();
}
```

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

Updated: September 27, 2026

Source: https://www.ask-codey.com/glossary/arraylist