# Annotation Type NullValue (2.1.0)

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- [2.1.0 (latest)](https://docs.cloud.google.com/java/docs/reference/google-http-client/latest/com.google.api.client.util.NullValue)
- [2.0.3](https://docs.cloud.google.com/java/docs/reference/google-http-client/2.0.3/com.google.api.client.util.NullValue)
- [1.47.1](https://docs.cloud.google.com/java/docs/reference/google-http-client/1.47.1/com.google.api.client.util.NullValue)
- [1.46.3](https://docs.cloud.google.com/java/docs/reference/google-http-client/1.46.3/com.google.api.client.util.NullValue)
- [1.45.3](https://docs.cloud.google.com/java/docs/reference/google-http-client/1.45.3/com.google.api.client.util.NullValue)
- [1.44.2](https://docs.cloud.google.com/java/docs/reference/google-http-client/1.44.2/com.google.api.client.util.NullValue)
- [1.43.2](https://docs.cloud.google.com/java/docs/reference/google-http-client/1.43.2/com.google.api.client.util.NullValue)
- [1.42.3](https://docs.cloud.google.com/java/docs/reference/google-http-client/1.42.3/com.google.api.client.util.NullValue)
- [1.41.8](https://docs.cloud.google.com/java/docs/reference/google-http-client/1.41.8/com.google.api.client.util.NullValue)

    public interface NullValue implements Annotation

Use this annotation to specify that an enum constant is the "null" data value to use for \<xref uid="com.google.api.client.util.Data.


See [Value](https://docs.cloud.google.com/java/docs/reference/google-http-client/latest/com.google.api.client.util.Value) for an example.

## Implements

[Annotation](https://docs.oracle.com/javase/8/docs/api/java/lang/annotation/Annotation.html)