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## Package javax.imageio.stream

A package of the Java Image I/O API dealing with low-level I/O from files and streams.

See:
Description

Interface Summary
ImageInputStream | A seekable input stream interface for use by `ImageReader`s.
ImageOutputStream | A seekable output stream interface for use by `ImageWriter`s.

Class Summary
FileCacheImageInputStream | An implementation of `ImageInputStream` that gets its input from a regular `InputStream`.
FileCacheImageOutputStream | An implementation of `ImageOutputStream` that writes its output to a regular `OutputStream`.
FileImageInputStream | An implementation of `ImageInputStream` that gets its input from a `File` or `RandomAccessFile`.
FileImageOutputStream | An implementation of `ImageOutputStream` that writes its output directly to a `File` or `RandomAccessFile`.
IIOByteBuffer | A class representing a mutable reference to an array of bytes and an offset and length within that array.
ImageInputStreamImpl | An abstract class implementing the `ImageInputStream` interface.
ImageOutputStreamImpl | An abstract class implementing the `ImageOutputStream` interface.
MemoryCacheImageInputStream | An implementation of `ImageInputStream` that gets its input from a regular `InputStream`.
MemoryCacheImageOutputStream | An implementation of `ImageOutputStream` that writes its output to a regular `OutputStream`.

## Package javax.imageio.stream Description

A package of the Java Image I/O API dealing with low-level I/O from files and streams.

The `ImageInputStream` interface unifies streaming and file-based operations. An abstract base class, `ImageInputStreamImpl` is provided to simplify writing a new `ImageInputStream` class. Concrete implementation classes (`FileImageInputStream`, `FileCacheImageInputStream`, and `MemoryCacheImageInputStream`) are provided that allow input to come from a `File` or `InputStream` with or without the use of a temporary cache file.

The `ImageOutputStream` interface performs an analogous function for output. An abstract base class, `ImageOutputStreamImpl` is provided, along with concrete implementation classes (`FileImageOutputStream`, `FileCacheImageOutputStream`, and `MemoryCacheImageOutputStream`) are provided that allow output to go to a `File` or `OutputStream` with or without the use of a temporary cache file.

The `IIOByteBuffer` class provides an alternative way to perform reads of sequences of bytes that reduces the amount of internal data copying.

Since:
  1.4

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2003 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.