# Subclass

A class that extends another class.

## What is **Subclass** in Java?

**Subclass** — A class that extends another class.

```java
class Alert {
    String text() {
        return "Alert";
    }
}

class EmailAlert extends Alert {
    @Override
    String text() {
        return "Email";
    }
}
```

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

Updated: September 27, 2026

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