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Java™ Platform
Standard Ed. 8

Package java.io

Provides for system input and output through data streams, serialization and the file system.

See: Description

Package java.io Description

Provides for system input and output through data streams, serialization and the file system. Unless otherwise noted, passing a null argument to a constructor or method in any class or interface in this package will cause a NullPointerException to be thrown.

Package Specification

Related Documentation

For overviews, tutorials, examples, guides, and tool documentation, please see:
Since:
JDK1.0
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Java™ Platform
Standard Ed. 8

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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.
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