## Uses of Interface
java.io.ObjectStreamConstants

- Packages that use ObjectStreamConstants
  Package | Description
  --- | ---
  java.io | Provides for system input and output through data streams, serialization and the file system.

- - ### Uses of ObjectStreamConstants in java.io

    Classes in java.io that implement ObjectStreamConstants
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `ObjectInputStream` An ObjectInputStream deserializes primitive data and objects previously written using an ObjectOutputStream.
    `class` | `ObjectOutputStream` An ObjectOutputStream writes primitive data types and graphs of Java objects to an OutputStream.

Submit a bug or feature
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
Copyright © 1993, 2026, Oracle and/or its affiliates. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.