# TreeSet

A sorted Set that keeps elements in their natural or supplied order.

## What is **TreeSet** in Java?

**TreeSet** — A sorted Set that keeps elements in their natural or supplied order.

```java
import java.util.Set;
import java.util.TreeSet;

class ScoreCollection {
    Set<Integer> scores = new TreeSet<>();
}
```

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/treeset