| Package | Description | 
|---|---|
| javax.imageio | The main package of the Java Image I/O API. | 
| javax.imageio.spi | A package of the Java Image I/O API containing the plug-in interfaces
for readers, writers, transcoders, and streams, and a runtime
registry. | 
| javax.imageio.stream | A package of the Java Image I/O API dealing with low-level I/O from
files and streams. | 
| Modifier and Type | Method and Description | 
|---|---|
| static ImageInputStream | ImageIO. createImageInputStream(Object input)Returns an  ImageInputStreamthat will take its
 input from the givenObject. | 
| Modifier and Type | Method and Description | 
|---|---|
| static BufferedImage | ImageIO. read(ImageInputStream stream)Returns a  BufferedImageas the result of decoding
 a suppliedImageInputStreamwith anImageReaderchosen automatically from among those
 currently registered. | 
| Modifier and Type | Method and Description | 
|---|---|
| ImageInputStream | ImageInputStreamSpi. createInputStreamInstance(Object input)Returns an instance of the  ImageInputStreamimplementation associated with this service provider. | 
| abstract ImageInputStream | ImageInputStreamSpi. createInputStreamInstance(Object input,
                         boolean useCache,
                         File cacheDir)Returns an instance of the  ImageInputStreamimplementation associated with this service provider. | 
| Modifier and Type | Interface and Description | 
|---|---|
| interface  | ImageOutputStreamA seekable output stream interface for use by
  ImageWriters. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | FileCacheImageInputStreamAn implementation of  ImageInputStreamthat gets its
 input from a regularInputStream. | 
| class  | FileCacheImageOutputStreamAn implementation of  ImageOutputStreamthat writes its
 output to a regularOutputStream. | 
| class  | FileImageInputStreamAn implementation of  ImageInputStreamthat gets its
 input from aFileorRandomAccessFile. | 
| class  | FileImageOutputStreamAn implementation of  ImageOutputStreamthat writes its
 output directly to aFileorRandomAccessFile. | 
| class  | ImageInputStreamImplAn abstract class implementing the  ImageInputStreaminterface. | 
| class  | ImageOutputStreamImplAn abstract class implementing the  ImageOutputStreaminterface. | 
| class  | MemoryCacheImageInputStreamAn implementation of  ImageInputStreamthat gets its
 input from a regularInputStream. | 
| class  | MemoryCacheImageOutputStreamAn implementation of  ImageOutputStreamthat writes its
 output to a regularOutputStream. | 
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