# transient

A field modifier that excludes the field from Java's default serialization.

## What does **transient** do in Java?

**transient** — A field modifier that excludes the field from Java's default serialization.

```java
import java.io.Serializable;

class Session implements Serializable {
    String user = "Ada";
    transient String token = "secret";
}
```

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/transient